`nelster' is india's pioneer 7 the largest manufacturer of relay test blocks. `nelster' standards for quality & safety requirements exceed national standards and could be traced to international length standards as is evident from government of india's premier nabl accredited laboratories. For more information please visit
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PW336i(6*15A,4*150V)is a powerful secondary injection relay tester with 6-currents and 4-voltages sources.This advanced relay testing set is capable of testing differential relay easily without changing cable connection.Optional upgrade is available to support the test of IEC61850 relay. Features 6*15A, 4*150V Aux DC (0-300V), DC measuring inputs 8 binary inputs, 4 binary outputs Adjustable threshold (0-400V) for binary inputs In-built analog monitoring and recording function Can be upgraded to support the test of IEC61850 complied relay
PW466i (6*20A, 6*150V) is a powerful secondary injection test set with 6-currents and 6-voltages sources.This advanced secondary injection kit is capable of testing differential relay and synchronizing relay. Optional upgrade is available to support the test of IEC61850 relay. Features 6*20A, 6*150V Aux DC (0-300V) 8 binary inputs, 4 binary outputs Adjustable threshold (0-400V) for binary inputs In-built analog monitoring and recording function Can be upgraded to support the test of IEC61850 complied relay
PW460 (6*15A, 4*300V) is the 3 phase relay test equipment can test all types of protective relays.This relay test kit has in-built output monitoring and recording function and also supports testing kit IEC 61850 IED.Optional accessories include external amplifier,GPS,Circuit Breaker Simulator,Current Booster,etc. Features 6*15A, 4*300V Aux DC (0-300V), DC measuring inputs 8 binary inputs, 8 binary outputs Adjustable threshold (0-400V) for binary inputs In-built analog monitoring and recording function Can be upgraded to support the test of IEC61850 complied relay
Features High performance Embedded-Industrial-Computer. 8.4¡ high-resolution large LCD screen. Display all kinds of test data, operating states, and prompts and help messages. Windows operating system, Slim industrial Keyboard and optical Mouse, and many Hotkeys, most convenient to operate. Perform all test items without any external device, automatically display and record test data, and automatically plot vector diagrams and characteristic curves, and print reports. Provide many automatic test procedures. GPS synchronously trigger, synchronization error less than 50|¨¬S. USB port to transmit data and maintenance operating software. High performance D/A converter, assure high waveform accuracy and excellent linearity, transient response and frequency-amplitude characteristic. Particular waveform generation algorithm, assure pure sine wave. Hi-Fi power amplifier, create high output power and low ripple. Except of traditional Ua, Ub, Uc, Ia, Ib, Ic, the fourth voltage Ux can be applied to many functions, such as 3Uo and synchronous voltage, etc. Eight switch input and Four pairs of idle contact output. Switch input ports are compatible with idle contact and active contact, and capable to identify the polarity of active contact, and work well during ¡¨¤250V. Self-diagnosis and multi-protection, reasonable heat dissipation structure, ensure safety and reliability. Well-designed, high-strength aluminium alloy case with carrying handle, facilitate moving to test on site.
Model t200a (250aac, 500vac, ac/dc current) can be used to test many types of relays, including high burden relay and ct. Operation is easy, no much training is required. High power current source for high burden relay test Capable of testing differential relay with two independent current sources Capable of testing directional relay with adjustable phase angle In-built ammeter and voltmteter 120s output time at 250a Rotating mouse control and quick control buttons Large lcd display Many ready test modules for automatic test applications (secondary injection test set, relay tester, single phase relay test set, universal tester)
Model s40a (3*40a, 3*150v) has large lcd display and panel control facilities. No external pc is required. It can easily test many types of relays, including distance relay, df/dt relay. The rotating mouse and quick touch buttons make the operation very easy. 3*40a, 3*150v Additional 200ma ac current source Aux dc (24v, 110v, 220v) 4 binary inputs, 1 binary output Locally with color lcd (universal relay tester, relay test equipment, 3 phase relay test set, secondary injection test system)
Product Introduction Single Phase Relay Test Set General TKJB SINGLE PHASE RELAY TEST SET is a portable field testing equipment with excellent performance; Elegance and polished appearance with aluminum alloy chassis and PC panel, within the ARM chip control, LCD screen display voltage and current output stopwatch, it could output a full isolation way for adjustable AC/DC voltage, and AC/DC current and a way for adjustable DC voltage; the output loop with double overload protection with large output capacity ,small volume, light weight, high reliability ,It Suitable for field calibration and test for various relay. Product Characteristics Single Phase Relay Test Set Main Features 1 Output a full isolation way for adjustable DC voltage, Automatic protection for short circuit, overload and out range. 2 Maximum Output Current:0150Aã?? 3 Equipped with LCD digital AC/DC volt-ampere meter, can show the AC and DC voltage and current values, stopwatch, potential, contact state. 4 Internal electric stopwatch; Available electrical contacts, maximum potential 250V; Dual channel measurement. 5 Light-weight design, small-volume, and fully-functional.
1. Standard 4-phase voltage and 3-phase current output with 4-phase voltage and 3-phase current output can conveniently carry out various combination outputs for various types of protection tests. Single-phase voltage can output up to 120V single-phase current up to 40A (10 seconds) current three and can output up to 120A the fourth phase voltage Ux is a multi-function voltage item can be set as 4 kinds of 3U0 or check the same period voltage or a certain voltage value of the case output. 2. Single machine is easy to operate. The single machine is operated by a convenient and flexible rotating mouse through a large LCD screen all of which are displayed in Chinese. It can complete most of the field test verification work can verify all kinds of relays and microcomputer protection and can simulate all kinds of complex transient permanent and transformational faults for the whole group of tests. Boot can be used easy to operate. 3. Double operation mode connected to the computer operation through the Windows platform of the full set of Chinese operating software can carry out a variety of large complex and higher degree of automation verification work can be easily tested and scanned a variety of protection fixed value can be real-time storage test data display vector diagram draw fault waveform online print report etc. 4. Software is so powerful that can complete all kinds of high degree of automation of large complex check work such as three phase differential test auxiliary power fast cutting prepared from the cast test line protection inspection period reclosing etc. can easily test and scanning protection setting various fault playback real-time storage test data show that the vector diagram online printing report etc. 5. Switch quantity contact is rich three - phase for 7 contact input and 2 pairs of empty contact output. The input contacts are compatible with 0 ~ 250V potential contacts and can be identified automatically. Input and output contacts can be expanded according to user needs. 6. Large screen LCD display microcomputer relay protection tester adopts 320Ã??240 lattice large screen high-resolution graphics LCD display all the operation process are set on the display screen the operation interface and test results are displayed in Chinese the display is intuitive and clear. 7. Self-protection adopt reasonable design of heat dissipation structure and have a variety of reliable and perfect protection measures and power soft start and a certain fault self-diagnosis and locking function. 8. With an independent dedicated dc power output the device is equipped with one 110V and 220V dedicated dc power output. 9. High cost performance belongs to the cross - professional joint design products integrated multi - professional advanced scientific and technological achievements. Both large tester performance and small tester price with a high performance ratio.
Product Introduction Single Phase Relay Test Set General TKJB SINGLE PHASE RELAY TEST SET is a portable field testing equipment with excellent performance; Elegance and polished appearance with aluminum alloy chassis and PC panel, within the ARM chip control, LCD screen display voltage and current output stopwatch, it could output a full isolation way for adjustable AC/DC voltage, and AC/DC current and a way for adjustable DC voltage; the output loop with double overload protection with large output capacity ,small volume, light weight, high reliability ,It Suitable for field calibration and test for various relay. Product Characteristics Single Phase Relay Test Set Main Features 1 Output a full isolation way for adjustable DC voltage, Automatic protection for short circuit, overload and out range. 2 Maximum Output Current:0150A 3 Equipped with LCD digital AC/DC volt-ampere meter, can show the AC and DC voltage and current values, stopwatch, potential, contact state. 4 Internal electric stopwatch; Available electrical contacts, maximum potential 250V; Dual channel measurement. 5 Light-weight design, small-volume, and fully-functional.