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Circuit Breaker Test Systems
Crest has over a decade of experience of designing and manufacturing test systems for testing all the different kinds of switchgear and controlgear.
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Surge Voltage and Surge Current Testing Systems
HIGHVOLT Prüftechnik Dresden GmbH
Pulse Voltage Test Systems are used for surge testing on transformers, cables, gas insulated switchgear (GIS), arresters, and other high voltage equipment.
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Safety Relays
*Evaluation units for fail-safe sensors and E-STOP switchgear*Connection of mechanical fail-safe switches and fail-safe sensors*Evaluation systems for safe rotational speed or standstill monitoring
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High-Voltage Test Device
PGK 70 HB
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR PGK HB. There are hardly any other longer-lasting, more robust and cost-effective testing devices than the two-piece high-voltage test devices from the PGK HB series. They generate continuous adjustable test voltages with mains frequency or optionally DC with positive or negative polarity. The display instruments for current and voltage, the safety control unit and the regulating transformer for the voltage are integrated in the operating unit.* Testing of medium- and high-voltage cables* DC voltage testing of up to 70 kV output voltage with positive or negative polarity* AC voltage testing - up to 55 kV for switchgear, busbars and insulating elements* Easy-to-maintain 2-piece design
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Stationary Circuit Breaker Testing
ACTAS L260
High-precision test system for function tests on various types of switchgear device, including circuit breakers, disconnectors or earthing switches, regardless of the type of drive unit.The inputs and outputs are connected flexibly via a terminal strip, making the test system particularly suitable for use in development and laboratory environments as well as in production environments.
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High-Voltage Test Device
PGK 110 HB
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR PGK HB. There are hardly any other longer-lasting, more robust and cost-effective testing devices than the two-piece high-voltage test devices from the PGK HB series. They generate continuous adjustable test voltages with mains frequency or optionally DC with positive or negative polarity. The display instruments for current and voltage, the safety control unit and the regulating transformer for the voltage are integrated in the operating unit.* Testing of medium- and high-voltage cables* DC voltage testing of up to 110 kV output voltage with positive or negative polarity* AC voltage testing - up to 80 kV for switchgear, busbars and insulating elements* Easy-to-maintain 2-piece design
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Digital Recorder
HiRES
HIGHVOLT Prüftechnik Dresden GmbH
The digital recorders HiRES are used to measure, store, and evaluate signals from up to 64 sources synchronously. Depending on the sensors used voltages, currents, temperatures, mechanical movements and various other signals can be measured. This measurement system features the ability to capture fast transient processes such as those occurring in impulse current tests on electrical devices or during switchgear testing. The system is also capable of measuring semistationary and periodic events such as DC voltage and AC voltage as well as superimposed semistationary, periodic and transient processes.
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Time Interval Meter
Highly experienced in this industry, we are a well recognized manufacturer and exporter of Time Interval Meter. Supplied to electrical, power and engineering industry for instrument transformer and switchgear testing, this instrument is available to clients in different technical specifications. We use certified quality raw materials and components, procured from trusted vendor in market. We offer this Time Interval Meter (1 & 3 Channel) to clients at competitive price.
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Partial Discharge Detecting Systems
Hangzhou Xihu Electronic Institute
Cable PD detecting and positioning system, transformer PD detecting and positioning system, switchgear PD detecting and positioning system, GIS PD detecting and positioning systems.
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Gas-Filled Hv Testing Transformer
GTU-300KVA/600KV
Wuhan Sangao Electrical Test Installations Limit Co.
SF6 gas -filled testing transformers are especially designed for GIS in the factory and on-site test, and for testing all GIS switchgears and GIS components such as insulators, insulating tension pole, GIS voltage transformer and so on, the PD test can be performed under the general environment because of the merits of encapsulation, the PD level of our equipment can be lee than 3pC, and it can be added a HV bushing to perform the withstand voltage test at the same time. Small and compact dimensions resulting in minimum space requirements. Light-wight components. Rugged construction to withstand long transportation stresses. Direct flanging to the test object. High safety for tester because of encapsulation of all HV parts. Large range of application in conjunction with HV bushing for withstand voltage test. Built-in HV measuring capacitor and coupling capacitor. Built-in HV disconnecting switch to separate multipath test object connector to ensure the safety of HV testing.
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Switchgear Test Systems / Circuit Breaker Testing
ACTAS test systems provide precise information as to the condition of the chamber and drive unit without requiring them to be opened. The sheer number of parameters to be determined, the wide variety of different types of switchgear equipment in use and the harsh environmental conditions encountered during on-site tests place extreme demands on test equipment.
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Test Switches
Series FT
An industry standard for CT & VT isolationfor instrument transformer and connected device testing.Up to 10 poles; Numerous configurations availableTypically mounted on switchgear and relay panels10 pole test plug available; UL and cUL recognized.
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AC Voltage Test Systems
HIGHVOLT Prüftechnik Dresden GmbH
AC resonant test system is used for factory testing of middle, high and ultra-high voltage cables, capacitors, generators, motors, power transformers and gas-insulated switchgears.
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Online PD Spot Tester
Liona
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR liona. Liona is a portable online PD spot tester for measuring and locating partial discharges in cables and switchgear during normal mains operation. Liona lets you test cable systems and electrical equipment online without switching off partial discharge activities, and then generate trend analyses. Even a PD spot test (duration: 5-10 minutes) is capable of reliably assessing the current status of your system.* Automatic PD detection during normal mains operation (without switching off the cable route)* With DeCIFer technology: PD identification based on 500 million measurement results* Precise online PD mapping with PD transponder
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Contacts Resistance Tester
JYK II
•Instrument IPC architecture for domestic production of all models of metal contacts SF6 switchgear, GIS combination of electrical, vacuum switch, oil switch and column switches, contacts and so on.•Sensor: Acceleration speed sensor, rotation speed sensor, linear stroke sensorinstallation is very easy and simple.•Trigger: The trigger, external trigger, the sensor is triggered. Sensor can trigger the circuit breaker manually switching characteristic test, such as a manual column pole division switch.
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Switchgear Protection
Schweitzer Engineering Laboratories, Inc.
Bus protection products and systems provide complete primary and backup protection for all types of bus and switchgear arrangements. They are suited for use in industrial- and commercial-scale facilities.
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Digital Fault Recording
SHERLOG
Fault recorder systems with a power quality analyser for comprehensively monitoring and assessing low, medium and high voltage networks in power plants and transformer substations. The measuring devices of the SHERLOG range make very high-resolution recordings of all the disturbances which occur in power supply systems. The behaviour of protection and switchgear devices during these system disturbances is recorded at the same time.
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HV Test Transformer
GTU-800KVA/220KV
Wuhan Sangao Electrical Test Installations Limit Co.
SF6 gas -filled testing transformers are especially designed for GIS in the factory and on-site test,and for testing all GIS switchgears and GIS components such as insulators,insulating tension pole,GIS voltage transformer and so on,the PD test can be performed under the general environment because of the merits of encapsulation ,the PD level of our equipment can be lee than 3pC,and it can be added a HV bushing to perform the withstand voltage test at the same time.
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AC Load Bank (Resistive/Reactive)
K-1000 Resistive/Reactive
Kongter Test & Measurement Co., Limited
Resistive/reactive load banks are great choices for testing turbines, switchgear, rotary UPS, generators and UPS systems. They can also be used for integrated system testing of utility substation protection systems, particularly for more complex relays like distance, directional overcurrent, power directional and others. A resistive/reactive inductive and/or capacitive load is often required to test solar inverters to ensure solar panels can be stopped from producing electricity in the event of a power outage.
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TEM Antenna
TEM antenna is a partial discharge sensor designed to receive electromagnetic (EM) emissions from a PD occurring in the monitored asset (like MV switchgears or LV and MV induction motors fed by power electronic impulses). It is a broadband antenna with a flat response which makes TEM suitable in a number of different applications. It has been optimized to operate in a frequency range typical for PD activity and it was designed to provide maximum sensitivity and high gain. Its compact and robust design (passive sensor) makes TEM the optimal sensor for direct installation on medium voltage Switchgears and motors. It can be virtually applied in any electrical equipment provided that it has apertures or EM transparent surfaces.
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Contact Resistance Tester
Weshine Electric Manufacturing Co., Ltd
The loop resistance tester is used to test the conductive loop resistance of various switchgear, and the test current shall not be less than 100A. Due to the oxidation of the contact surface, poor contact tightening and other reasons, the contact resistance increases. When a large current flows, the temperature of the contact point increases, which further accelerates the oxidation of the contact surface and further increases the contact resistance.
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Test Set With Control Unit
Supreme Instrument Laboratories
Single Phase A.C. High Voltage Test set (BDV Flash Test) suitable for operation on 230 Volts, A.C. 50 Hz., designed for carrying out dielectric test on transformers, electrical switchgears, and installations. It operates on single phase A.C. and provides an output voltage zero to maximum rated voltage.
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Online Partial Discharge Monitor
ASM-E
The ASM-E is a permanent partial discharge monitor for cables, switchgear and other high voltage assets.The ASM-E can be configured with up to 128 PD sensor channels. If excessive discharge is detected, the ASM-E raises an alarm that can be configured either locally or by email/SMS. This enables the long-term assessment of plant conditions to be carried out quickly and easily, from any remote computer.
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Instrument Transformer & Switchgear Testing
Our stationary and mobile instrument transformer test systems are used to test current and voltage instrument transformers. Among other things, accuracy testing, demagnetization and insulation testing are possible.
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High Voltage Insulation Equipment
KV Hipot Power Test Equipment Co.,Ltd
High voltage equipment include power transformer, switchgears, control equipment, communicating devices, insulators.
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Partial Discharge Measuring System
LDS-6
The Doble LDS-6 is a highly sophisticated digital measuring system for partial discharge detection and analysis. It is trusted as a valuable tool for factory and laboratory testing.The LDS-6 can be used to test a variety of high voltage apparatus. Use the LDS-6 to perform PD quality tests on motors, generators, transformers, MV and HV cable systems, switchgear and additional HV accessories.The LDS-6 complies with IEC 60270, VDE 0434 as well as various IEEE and other standards.
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PD free AC Hipot Test Set
FPA Series
FPA Series test sets perform field or factory testing on larger electrical apparatus, including motors & generators, switchgear, bushings, bus duct, etc. This series offers the higher kVA ratings needed (0-6/12 kV AC @ 6 kVA), but is still packaged for portability.
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Dual Wide Angle Scale Instrument
LS-110 DI (AC/DC)
Standard Electric Works Co., Ltd
● Analog and digital display to provide the ultimate in readability of power and control parameters● Drop-in replacement for upgrade of existing controls and switchgear panels● Rugged switchboard style case and IP54 rated cover● High-intensity LED digital displays with high reliability analog movements● Safety models for AC or DC voltage and current, with custom scales and dials available as options
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Stationary Circuit Breaker Test System
ACTAS C160
Stationary test system for carrying out fully automatic final factory tests, type and function tests on all kinds of switchgear devices, such as circuit breakers, disconnectors or earthing switches, regardless of the type of drive unit. All the electrical and mechanical parameters needed for the assessment of switching performance are measured in real time and evaluated without either the main contact chambers or the drive unit having to be opened. The system has analog and incremental input channels for the acquisition of analog quantities.
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Digital Insulation Multimeter Tester 1 KV
MIRT-61
The Motwane Manufacturing Company
The MOTWANE multipurpose tester Model MIRT-61 is a Versatile, battery operated Digital insulation tester with true RMS industrial grade multimeter features best suited for industrial preventive maintenance. With test voltage range up to 1 KV , highest insulation resistance range of 6G Ohm and multi featured function of RMS multimeter (i.e. AC/DC 1000 V) ; makes it a superior offering for Industry and Service segment. It is designed predominantly for low voltage insulation resistance testing in maintenance and services, which involves the applications like Cables/Wires, Rotating Machines, LT transformers, Switchgears and Industrial installations. It is designed to suit the extreme environment conditions. Save your operating cost and test more with this single box design rather buying two different products.
