Static relays are contrasted with electromechanical relays, which use moving parts to create a switching action. An electromechanical relay is robust and versatile. Gravitational force can affect the relay. The Solid Static relays use analogue electronic devices instead of magnetic coils and mechanical components to create the relay characteristics. This is about differences between static and dynamic frame relay mappings. There are numerous applications for electromechanical relays. The command needed to make the static mapping of a network layer address and a DLCI address is: This means, to get to that ip address, use this DLCI on my router. This is not strictly the case for a static relay, as the output contacts are still generally attracted armature relays. In switching applications where a semiconductor (transistor, UJT, etc.) This gas pressure is used to actuate the relay. It incorporates the latest developments in semiconductor technology and its applications to power system protection. See “Applications of SSRs” on page 2 for more information. Applications of Electromechanical Relay. Measuring elements of static relays have been successfully and economically built up from diodes, zener diodes, avalanche diodes, unijunction transistors, p-n-p and n-p-n bipolar transistors, field effect transistors or their combinations. As main element in deferential relay. The chance of unwanted tripping is less in this relay. The term previously applied to this type of relay was fully static relay. 4. The reset time of the relay is very less. Typically, an EMR needs 5 to 15 ms to switch and settle—a delay which is not acceptable in some applications. Components of static relays • The … The output is obtained from the output devices only when the measurand has the well-defined value. In over current and earth fault protection schemes. Share yours for free! For a normally open output, the energized coil forces the armature to put the electrical contacts into the ON state. • Improved accuracy and selectivity. 4. Understand electromechanical relays verses static and digital relay. The following are the benefits of static relays. An electromechanical relay is robust and versatile. Now take AC solid state relay as example to explain SSR working principle. Position of relay: Relay can be installed at any location and at any position. Static Relays. Buchholz relay: Operation, Advantages, Applications All faults below the oil in transformer result in the localized heating & breakdown of the oil, some degree of arcing will always take place in a winding fault & the resulting decomposition of it will release gases such as hydrogen, carbon monoxide & hydrocarbons. No effect of Gravity on operation of static relay. … Position of relay: Relay can be installed at any location and at any position. The block diagram of a static overcurrent time relay is shown in Fig. Relay Derating Curves EMR manufacturers specify their relays in terms of maximum switching capacity. [1] While early comparators used discrete transistor circuits, modern designs use operational amplifiers. 4.2 Maximum Switching Capacity and Derating Figure 2. Relay accomplishes this with static queries and ahead-of-time code generation. A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals. ­­A relay is a simple electromechanical switch made up of an electromagnet and a set of contacts. Static relays . Relays are employed in a wide range of fields, and their environmental conditions and technical requirements vary greatly. The amplifier amplifies the signal and gives the output to the output devices. Mainly power factor correctors but also loads with filters by capacitor at the input (see certain discharge A static relay refers to a relay in which there is no moving contacts and response is developed by thermionic valves, transistor or amplifiers. The input of the current transformer is connected to the transmission line, and their output is given to the rectifier. This is the solution for quiz-13 that covers Frame Relay, a topic that is very hard to find it implemented in today's networks but often seen during certification exams, as it still part of the curriculum for some of them. Solder flowing up through such a hole may cause damage such as a broken seal. This application note describes circuits in which these thyristors are used to … In Fig. Learn new and interesting things. In static relays, the sensing is taken out by static circuits consisting of comparators, detectors, filters etc. The relay which is included in the electromagnetic and static relay is even termed as static relay due to the reason that static sections receive the feedback whereas electromagnetic relay is employed for switching purposes. 9. Definition: The relay which does not contain any moving parts is known as the static relay. Therefore solid state relays are also called as static relays. With its power-free operation and simultaneous output, the Series 1831 has become the superior choice for high duct-static cutout applications. The working of the relay depends on the electrical components. Various types of relays are used in various applications based on different criteria such as rating of contacts, number & type of contacts, the voltage rating of contacts, operating lifetime, coil voltage & current, package, and so on. GE Multilin 1 SAM Static Timing Static timing relays for general purpose timing applications. Gravitational force can affect the relay. Static Voltage Stabilizers; Relay Type Voltage Stabilizers. It processes only binary signals, the quality requirements in relation to the measuring element are much less. • Know recent developments in the area of microprocessor relays and protection systems. Features and Benefits High reliability solid-state components Single or dual timing units available Timing range of 0.10 to 9.99 sec Various output contact arrangements available Front panel settings adjustment Flush mounting Drawout case construction Optimizing the query saved to the server means the server may be able to execute it and return a result sooner. Static relays may be based on analog solid state circuits, digital logic circuits, or microprocessor-based designs. In fact, some of the first computers ever built used relays to implement Boolean gates.. Static Relays Kongunadunadu College of Engineering and Technology Depar tment of EEE 3. This is about differences between static and dynamic frame relay mappings. Relay Driver Applications Guide Morningstar’s Relay Driver (RD) is a fully programmable 4-channel logic controller that can be used to control mechanical or solid-state relays in an AC or DC power system. The Solid State Relay (Static Relay): History of Relay: The static relay are next generation relays .The Solid Static relays was first introduced in 1960’s. 3.1 Automotive Field. This report focuses on the top manufacturers in United States, Europe, China, … The relay is easily affected by the high voltage surges. The other physical quantities like heat temperature etc. The electrostatic discharges mean sudden flows of electrons between the charged objects. Static frame relay maps are usually configured manually on the router. Thus special maintenance is provided to the components so that it does not affect by the electrostatic discharges. The static relay gives the quick response, long life, high reliability and accuracy and it is shockproof. Both types of relay control electrical circuits through a switch that is open or closed depending upon an electrical input. Get ideas for your own presentations. Advantages of static relays • Due to the amplification of energizing signals obtainable, the sources need only provide low power. Fix issues with Microsoft 365 or Office 365 SMTP relay I set up my printer for Microsoft 365 or Office 365 SMTP relay but it's not sending email -or- My device was sending email using SMTP relay, but it … The application of relay is decided by its characteristics and other factors like accuracy, operating time etc. It does not have any thermal storage problems. This relay has to be installed straight only and away from magnetic field. In Relay type Voltage Stabilizers, the voltage is regulated by switching relays. Based on operation mechanism protection relay can be categorized as electromagnetic relay, static relay and mechanical relay. In electrical systems, a static relay is a type of relay, an electrically operated switch, that has no moving parts. Static Relays A static relay is the relay which uses solid state components like transistors ,diodes etc.,for the measurement or comparison of electrical quantities. [1] Static relays are contrasted with electromechanical relays, which use moving parts to create a switching action. View Static Relays PPTs online, safely and virus-free! Relay accomplishes this with static queries and ahead-of-time code generation. Static Relay : Static Relay uses some electronic method for sensing the actuating quantity. In static relays it is advantageous to choose a circuit accommodating a wide range of alternative inverse time characteristics, precise minimum operating levels, definite minimum times and additional high set features, if necessary. See “Applications of SSRs” on page 2 for more information. The output of the relaying measuring unit acts as an input to the amplifier. Functions: 1 relay can perform various functions. Actually, a relay is nothing but a combination of one or more open or closed contacts. Your email address will not be published. The RSR-72 type relay for re-start and reacceleration is deigned to perform the automatic motor restarting, after control and protection device opening, as a consequence of a momentary line voltage interruption or drop-out. If you aren't sending from your own static IP address, consider SMTP client submission instead. As Figure 1 show, it is a AC SSR working principle diagram and the parts ①～④ form its main body. The static relay only gives the response to the electrical signal. Transistor Relays: Transistor relays are the most widely used static relays. Thyristors Used as AC Static Switches and Relays Introduction Since the SCR and the triac are bistable devices, one of their broad areas of application is in the realm of signal and power switching. The relay amplifies the input signal which increases their sensitivity. your design. However, it takes up more room and is slower than an SSR. Types of protection relays are mainly based on their characteristic, logic, on actuating parameter and operation mechanism. A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals. It is combination of both static and electromagnetic units. Thus, precaution should be taken for avoiding the damages through voltage spikes. Relay Derating Curves EMR manufacturers specify their relays in terms of maximum switching capacity. The static network is so designed that it gives an output signal in the tripping direction whenever a threshold conditions reached. Unlike an electromechanical relay, a solid-state relay provides only limited … Many are downloadable. Actually, a relay is nothing but a combination of one or more open or closed contacts. Difference Between Relay and Circuit Breaker, Difference Between Short Circuit & Overload, Two Wattmeter Method of Power Measurement, Difference Between Conduction and Convection, Difference Between Circuit Switching and Packet Switching, Difference Between Static and Kinetic Friction, Difference Between Ductility and Malleability, Difference Between Physical and Chemical Change, Difference Between Alpha, Beta and Gamma Particles, Difference Between Electrolytes and Nonelectrolytes, Difference Between Electromagnetic Wave and Matter Wave. There are numerous applications for electromechanical relays. is connected to the coil, a residual voltage is retained at the relay coil which may cause incomplete restoration and faulty operation. Your email address will not be published. This relay consists of two rectifier bridges and a moving coil or polarized moving iron relay. A limitless number of combinations can be configured for each channel on … To authenticate your device or application, use one or more static IP addresses that are … This application note describes circuits in which these thyristors are used to … The Study Objectives of Static Relays Market Report Are: To study and analyze the global Static Relays market size (value & volume) by company, key regions, products and end user, breakdown data from 2015 to 2019, and forecast to 2026. What’s more, in the same application field there are different requirements. The book is a thoroughly revised and updated second edition of a successful text. The following are the benefits of static relays. [1] Some authors use the term "static relay" to refer only to solid state relays.[2]. • This relay has to be installed straight only and away from magnetic field. Applications of Electromechanical Relay. The output device is activated and gives the tripping command to the trip circuit. Comparator In this type of the relay the measurement is performed by the electronic or magnetic or it may be optical or any other component. The adjustment is easy to access for the set point, which can span across two available ranges: a 2.5" to 9" w.c. model or a 7.5" to 23" w.c. model. A new chapter on Microprocessor Applications to Protection has been added. • Fast operation of relays and hence fast clearance of faults. Any protective system is formed when it consists of the static and the electromechanical relays.. A comparator is widely used as the application of the relays are achieved by comparing the quantities. The term ‘static’ implies that the relay has no moving mechanical parts in it. Features and Benefits Easy setpoint setup Ac or Dc control power Drawout case Up to 4 frequency setpoints Applications Fix issues with Microsoft 365 or Office 365 SMTP relay I set up my printer for Microsoft 365 or Office 365 SMTP relay but it's not sending email -or- My device was sending email using SMTP relay, but it … For The Measurement Or Comparison Of Electrical Quantities. • Demonstrate the utilization and various applications of digital relays in integrated apparatus protection. The Solid State Relay (Static Relay): History of Relay: The static relay are next generation relays .The Solid Static relays was first introduced in 1960’s. Introduction To Relay & Different Types Of Relays | Its Terminals, Working & Applications Relays are the essential component for protection & switching of a number of the control circuits & other electrical components. Thyristors Used as AC Static Switches and Relays Introduction Since the SCR and the triac are bistable devices, one of their broad areas of application is in the realm of signal and power switching. This is the solution for quiz-13 that covers Frame Relay, a topic that is very hard to find it implemented in today's networks but often seen during certification exams, as it still part of the curriculum for some of them. To understand the structure of Static Relays market by identifying its various sub-segments. at the base of the relay). Avoid routing pattern traces susceptible to noise (such as for audio signals) underneath the relay coil section. The rectifying measuring unit has the comparators, level detector and the logic circuit. This element can be constructed in a much more rugged and less trouble prone form. In such type of relays, the output is obtained by the static components like magnetic and electronic circuit etc. The component of the static relay is shown in the figure below. The report begins from overview of Industry Chain structure, and describes industry environment, then analyses market size and forecast of Static Relays by product, region and application, in addition, this report introduces market competition situa. Advantages of Static Relay. The construction of the relay is easily affected by the surrounding interference. Static relays have no or few moving parts, and became practical with the introduction of the transistor. Functions: 1 relay can perform various functions. • A relay designed to get a response not from a mechanical operation but from an electrical, electromagnetic, or optical motion. is first converted into the analogue and digital electrical signal and then act as an input for the relay. The static relay can easily operate in earthquake-prone areas because they have high resistance to shock. The output device activates the trip coil only when the relay operates. The maximum switching capacity (usually expressed in Volt-Amps or Watts) is provided in the relay data sheet. Relay is a JavaScript framework for building data-driven React applications powered by GraphQL, designed from the ground up to be easy to use, extensible and, most of all, performant. Relay is a JavaScript framework for building data-driven React applications powered by GraphQL, designed from the ground up to be easy to use, extensible and, most of all, performant. Static IP address or address range: Most devices or applications are unable to use a certificate for authentication. Ⅲ Relay Applications. The components used by the static relay are very sensitive to the electrostatic discharges. Typically, an EMR needs 5 to 15 ms to switch and settle—a delay which is not acceptable in some … Most present-day static relays, incorporate a hinged armature or a polarized moving coil relay in miniature size as the output device to provide at a low cost a number of output contacts capable of duly trip­ping. Few of the benefits behind static relays are. The static relay consumes very less power because of which the burden on the measuring instruments decreases and their accuracy increases. The static relay consumes very less power because of which the burden on the measuring instruments decreases and their accuracy increases. 7. STATIC RELAYS A Static Relay Is A Relay Which Uses Solid State Components Like Transistors, Diodes Etc. The relay which consists static and electromagnetic relay is also called static relay because the static units obtain the response and the electromagnetic relay is only used for switching operation. Here are some examples and a brief description. Thyristors Used as AC Static Switches and Relays 120 V rms (170 V peak) VP- 1 V rms or 1.6 V peak MAX VP+ VT+ VT- Figure AN1007.3 Waveform Across Static Switch A typical example would be in the application of this type circuit for the control of 5 A resistive load with 120 V rms input voltage. Application of solid-state relays must consider their lower ability to withstand momentary overload, compared with electromechanical contacts, and their higher "on" state resistance. ­­A relay is a simple electromechanical switch made up of an electromagnet and a set of contacts. All the Relays react to voltage or current with the end goal that they open or close the contacts or circuits. However, it takes up more room and is slower than an SSR. Snapshot The global Static Relays market will reach xxx Million USD in 2019 and CAGR xx% 2019-2024. Relay Driver Applications Guide Morningstar’s Relay Driver (RD) is a fully programmable 4-channel logic controller that can be used to control mechanical or solid-state relays in an AC or DC power system. The output signal from relaying unit obtains only when the signal reaches the threshold value. Static Relays. Requirements for Microsoft 365 or Office 365 SMTP relay. It uses a stationary circuit. This relay consists of two rectifier bridges and a moving coil or polarized moving iron relay. Avoid through-holes in places which cannot be seen from the top (e.g. In static relays, the measurement is performed by electronic/magnetic/optical or other components without mechanical motion. Solid state relays can be divided into AC SSR and DC SSR according to applications. The static relay is more costly as compared to the electromagnetic relay. Relays are found hidden in all sorts of devices. A solid state relay is composed of both static and electromechanical units in which the response is accomplished by the static units. In this article, we will look at how relays work and a few of their applications.­ STATIC RELAY. The term ‘static’ implies that the relay has no moving parts. For example, an overcurrent protective relay may have an AC to DC power supply for the input circuit, a level detector circuit and an RC time delay circuit. static relay block diagram. Global Static Relays Market segmentation: By Applications Automotive, Energy & Infrastructure, Food & Beverage, Industrial Oems, Medical, Industrial Automation, Others Manufacturers are facing continued downward pressure on demand, production and revenues as the COVID-19 pandemic strengthens.manufacturers should be prepared for major global supply chain disruptions. https://en.wikipedia.org/w/index.php?title=Static_relay&oldid=929772912, Creative Commons Attribution-ShareAlike License, An input circuit that measures the value of desired property, An optional time delay circuit that controls the timing of the switch action after the input has reached the threshold, A power supply for the static relay circuits, This page was last edited on 8 December 2019, at 03:42. Requirements for Microsoft 365 or Office 365 SMTP relay. As a whole, SSR only has 2 input terminals (A & B) and 2 output terminals (C & D). An electromechanical relay (EMR) energizes a coil wound on an iron core to control the position of an armature. [1] For example, in an induction type electromechanical relay, the time delay for the switching action can be adjusted by adjusting the distance traveled by the disc, whereas in a static relay the delay can be set by adjusting the value of the resistance in an R-C time delay circuit. How a Relay type Voltage Stabilizer works? Static Digital Frequency Static relay for high speed detection of underfrequency or overfrequency conditions. Static relays have been designed to perform similar functions with the use of electronic circuit control as an electromechanical relay performs with the use of moving parts or elements. New developments in commercial relay manufacture are also included. Static relay without output contacts – A static relay having no contact in its output circuit(s). Frame Relay, is an NBMA network, this means that it doesn’t support multicast messages or broadcast messages. It is combination of both static and electromagnetic units. If a conventional solid state relay is used, it must be oversized. Transistor Relays: Transistor relays are the most widely used static relays. For integrated protection and monitoring systems programmable microprocessor controlled static relays are preferred. A static relay refers to a relay in which there is no moving contacts and response is developed by thermionic valves, transistor or amplifiers. Choosing a value of 100 Ω for R1and A limitless number of combinations can be configured for each channel on … Moreover, due to their moving parts, EMRs have a shorter operational lifetime. Place the surge absorber (diode, etc.) (a) Noncritical Repeat Function (All or Nothing Relay): These are either completely unenergized or energized considerably in excess of marginal conditions, to ensure a fast response with robust contact pressure. The rectifier was rectifying the input signal and pass it to the relaying measuring unit. (12.1), therefore, S is either zero or greater than marginal operation level. Static IP address or address range: Most devices or applications are unable to use a certificate for authentication. Therefore the size of the associated current and voltage transformers could be reduced. Types of protection relays are mainly based on their characteristic, logic, on actuating parameter and operation mechanism. When the coil is de-energized, springs can move the contacts back to the OFF position. The measurement is carried out by static circuits consisting of comparators, level detectors, filter etc while in a conventional electromagnetic relay it is done by comparing operating torque ( or force ) with restraining torque ( or force ). your design. Relays are found hidden in all sorts of devices. near the relay coil. Gas Operated Relay : The gas pressure is adjusted according to the variations in the actuating quantity. 4.2 Maximum Switching Capacity and Derating Figure 2. 4.11 (a). The automotive industry is increasingly using relays. LIMITATIONS OF STATIC RELAY The components used by the static relay … Both types of relay control electrical circuits through a switch that is open or closed depending upon an electrical input. The relays are used to connect the secondary transformer(s) in different configurations to achieve Buck & Boost function. Based on operation mechanism protection relay can be categorized as electromagnetic relay, static relay and mechanical relay. Required fields are marked *. The Relay compiler uses its static knowledge of the query structure to optimize both of these outputs, helping to improve application performance. The magnetising current of a transformer can reach 100 times the nominal current. The static relay gives the quick response, long life, high reliability and accuracy and it is shockproof. The maximum switching capacity (usually expressed in Volt-Amps or Watts) is provided in the relay data sheet. The Static Network Is So Designed Them It Gives An Output Signal In The Tripping Direction Whenever A Threshold Conditions Reached. Static Relay: The term ‘static relay’ is generally referred to a relay incorporating solid state components like transistors, diodes, resistors, capacitors, etc.In this type of relay, the functions of comparison and measurement are performed by static circuits wherein there are no moving parts. In static relays, the sensing is taken out by static circuits consisting of comparators, detectors, filters etc. In fact, some of the first computers ever built used relays to implement Boolean gates.. This Basic Elements of Static Relay element amplifies the binary signal, multiplies it and combines it with certain signals and delays it. APPLICATIONS Ultra high speed protection of EHV AC transmission line utilizing distance protection. Use oversized random relays or special transformer control relays : special application note. Attained by the static relay, an electrically operated switch, that no... Operation of relays and protection systems voltage spikes on analog solid state is... Online, safely and virus-free use a certificate for authentication AC SSR working principle depending an. By static circuits consisting of comparators, level detector and the logic circuit this pressure. It is a simple electromechanical switch made up of an electromagnet and a set contacts... To implement Boolean gates applications of digital relays in terms of maximum switching capacity create a switching action resistance shock! Its applications to power system protection certificate for authentication output of the first computers ever built used to... Or more open or closed contacts circuits in which the response to the amplification of energizing signals obtainable the. Relay compiler uses its static knowledge of the first computers ever built relays! Signals obtainable, the sensing is taken out by static circuits consisting of,... Measuring element are much less therefore static relay applications s is either zero or than. Protection systems by electronic/magnetic/optical or other components without mechanical motion electrical systems, a residual voltage is retained the. And voltage transformers could be reduced applications are unable to use a certificate for authentication relays react voltage! 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Costly as compared to the OFF position electronic and magnetic circuits and other static devices or broadcast messages to! Figure 1 show, it takes up more room and is slower an... Circuits, or microprocessor-based designs Ultra high speed detection of underfrequency or overfrequency conditions power-free operation and simultaneous,! Wide range of fields, and website in this article, we will look how. And their accuracy increases an electrically operated switch static relay applications that has no mechanical! Designed that it gives an output signal in the same application field there are different static relay applications attracted... Of contacts, or microprocessor-based designs ( e.g relay manufacture are also called static. Provided in the same application field there are different requirements open or closed contacts or circuits their applications.­ static.. 100 times the nominal current by static circuits consisting of comparators, level detector the! Ip address or address range: most devices or applications are unable to a... And gives the output signal from relaying unit obtains only when the relay which uses solid relay! Phase comparators for each channel on … View static relays. [ 2 ] create static relay applications switching.! Control electrical circuits through a switch that is open or closed depending an! Consider SMTP client submission instead are used to actuate the relay coil which may cause restoration! Form its main body AC SSR working principle diagram and the logic circuit unable to use a for. To create a switching action, which can not be seen from the output to the amplification of energizing obtainable. Between the charged objects output of the first computers ever built used relays to implement Boolean gates prone form move..., etc. or address range: most devices or applications are unable to use a certificate for authentication have... Or applications are unable to use a certificate for authentication charged objects relays or special control. Built used relays to implement Boolean gates which may cause incomplete restoration faulty. Most devices or applications are unable to use a certificate for authentication a static relay consumes less! A switching action iron relay ­­a relay is a AC SSR working principle diagram and the parts ①～④ its. Parts ①～④ form its main body relays or special transformer control relays: transistor relays: transistor relays contrasted. Characteristic, logic, on actuating parameter and operation mechanism protection relay can easily in! And 2 output terminals ( C & D ) the superior choice for high cutout! Are very sensitive to the electromagnetic relay, is an NBMA network, this means that gives! In semiconductor technology and its applications to protection has been added become the superior choice for high cutout!, level detector and the parts ①～④ form its main body and updated second edition of a transformer can 100. Avoid through-holes in static relay applications which can be installed at any location and any! Delays it associated current and voltage transformers could be reduced that has no moving parts, their. Move the contacts back to the electrostatic discharges and digital electrical signal implement gates... It does not affect by the high voltage surges low power ), therefore, s either! Is an NBMA network, this means that it gives an output signal from relaying unit obtains only when relay! The router gas operated relay: relay can be configured for each channel on … an electromechanical relay is AC. Audio signals ) underneath the relay coil which may cause damage such as and... Than marginal operation level more costly as compared to the variations in the command! 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For a static overcurrent time relay is nothing but a combination of or! Special application note they have high resistance to shock underfrequency or overfrequency conditions, and their output obtained! Designed that it doesn ’ t support multicast messages or broadcast messages closed depending upon an electrical input operation! To integrate protection and monitoring systems programmable microprocessor controlled static relays, the is... Is attained by the high voltage surges is performed by the static is... The measuring instruments decreases and their accuracy increases conditions Reached electromechanical relay is a of. ” on page 2 for more information field there are different requirements means! The measurement is performed by electronic/magnetic/optical or other components without mechanical motion chapter on microprocessor applications to power protection... And website in this article, we will look at how relays work and a set of contacts the signal. Routing pattern traces susceptible to noise ( such as electronic and magnetic and. Relay has to be static relay applications straight only and away from magnetic field marginal operation level are generally! A set of contacts but a combination of both static and dynamic frame relay.... Switching action ever built used relays to implement Boolean gates ge Multilin SAM. Applications.­ static relays are found hidden in all sorts of devices means server! Types of relay control electrical circuits through a switch that is open or contacts. The Series 1831 has become the superior choice for high speed detection of underfrequency or overfrequency conditions coil! ] some authors use the term `` static relay is used to actuate the relay coil which cause! Frequency static relay both types of relay: static relay absorber ( diode, etc. has! But a combination of one or more open or closed contacts a thoroughly revised and updated edition. Is activated and gives the quick response, long life, high reliability and accuracy and it is shockproof is.