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Breaker
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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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Circuit Finders
If you need to avoid live AC and metal or quickly identify circuit breakers when working alone, our specialized electrical tools can help. For our Breaker ID series we recommend the standard version for every DIYer’s home, while the Pro Kit meets the needs of any electrical contractor.
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10A DIGITAL MICRO-OHMMETER
MPK-2000e
The MPK-2000e digital very low resistance ohmmeter is a portable, microprocessor controlled instrument used to accurately measure resistances of switches and circuit breaker contacts, transformer and motor windings, wire and cable samples, joints in busbars, etc., using test currents from 1mA up to 10A. It uses the Kelvin-type, four-terminals measurement principle, thus eliminating errors caused by lead and contact resistances.
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Switchgear Testing Solutions
IES Systems is a world leader in the design and manufacturing of power switchgear test systems.*GFCI/AFCI Circuit Breaker Test Solutions*Medium Voltage Breaker Test Solutions*Residential Circuit Breaker Test Solutions*Molded Case Circuit Breaker Test Solutions*AIR Circuit Breaker Test Solutions*Vacuum Bottle Test Solutions
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Circuit Breaker Finder Accessory Kit
69411
For use with ET300 Digital Circuit Breaker Finder.Light socket adapter for finding the correct circuit of a lighting fixture.Alligator clip adapter enables use of on bare wires.
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Rapidox 6100 Pump Back Gas Analyser
The Rapidox SF6 6100 Pump Back is a fully-automatic zero-emissions SF6 gas analyser, designed for controlling and monitoring the quality and purity of gas used in high voltage switchgear, circuit breakers and transformers.
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DC Hipot Test Set
KVZG
KV Hipot Power Test Equipment Co.,Ltd
DC Hipot Tester is applied to measure output voltage and leakage current for zinc oxide arresters, magnetic blowing arresters, power cables, generators, transformers, circuit breakers and other equipment.
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Circuit Mapper System
CMT24S/CMT42S
The Circuit Mapper is the first device of its kind that maps branch circuits of wiring systems concurrently with a single transmitter and receiver. Traditional methods of identifying circuit breakers and wiring are inefficient and expensive, often requiring two people to perform. With sensitive electronic equipment, simply turning breakers off and on is no longer a viable option.
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Circuit Breaker Contact Resistance Meters
Vanguard Instruments Company, Inc.
The Vanguard Auto-Ohm 10 is a 10-ampere battery powered micro-ohmmeter designed for low-resistance-measuring applications such as the measurement of resistance in circuit breaker contacts, bushing contact joints, and welding joints. The unit is powered by four 3400mAh, 3.7Vdc Li-Ion rechargeable batteries. With these high capacity batteries, up to 2,900 tests per charge (10A/2 second duration) can be performed in the field.
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Low Resistance Ohmmeters
Some times know as Ducter testers, these are highly accurate, easy to operate instruments that measure resistance with resolution as fine as 0.1 micro-ohm. Digital micro-ohmeters and DLROs measure contact resistance of switch and circuit breakers, aircraft frame bonds, and rail and pipeline bonds just to name a few of the applications. Megger has models available for testing using test currents from 0.5 mA to 200 amps covering a multitude of applications that require precise low-resistance measurements.
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Switch Analyser
SA10A
It has a built-in micro Ohm meter/Ductor for measuring of static and dynamic resistance of the breaker poles. It only weighs 11,6 kg. The versatility and precision that this unit offers is, without question unchallenged, and it will indeed be your best partner when testing circuit breakers. Tests in areas with high induction at known problematic substations has proven the SA10A to be the only circuit breaker timer that could withstand these extreme conditions. It's rugged, it's small and highly appreciated by our customers.
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Circuit Breaker Testing Equipment (SCOT Series)
SCOT MXP
SCOT MXP measures, displays and prints CLOSE, OPEN and CLOSE-OPEN time in various configurations. The MXP has a special mode to measure Pre-Insertion Resistor (PIR) closing time
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SF6 Optical Gas Imaging Camera
FLIR GF306
The FLIR GF306 optical gas imaging camera visualizes sulfur hexafluoride (SF6) and other gas emissions without the need to shut down operations. SF6 is used in the electric power industry as an insulator and quenching medium for gas-insulated substations and circuit breakers. The portable, non-contact GF306 allows you to quickly scan substations for leaks while maintaining a safe distance from high-voltage equipment. By catching leaks early, the GF306 reduces lost revenue to breakdowns and repairs.
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Low Resistance Ohm Meters
DMO-100D
For fast and accurate measurements of low resistanceon Switch Contacts, SF-6 Switch Gear, Bushbars, Splices, Joints, Fuses, Breaker Contacts, and Rail Bonds. • 100A DC continuous current in 4 ranges of 10A, 20A, 50A and 100A
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Coil Analyzers
SAT Series
The Coil Analyzers SAT30A and SAT40A are powerful, lightweight units ideal for testing of circuit breakers. Substation battery is not connected or available. The SAT series instruments are intended to supply circuit breaker coils and spring charging motors. They spring charging motors (SAT40A – AC and DC) as a part of commissioning and maintenance testing.
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Bay Control
Schweitzer Engineering Laboratories, Inc.
Integrated bay control systems combine complete bay control with high-speed breaker protection, allowing you to deploy a full substation protection, control, and monitoring solution that is flexible for your application.
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PC Based High Current Test Set for Circuit Breakers and Temperature Rise Test Equipment
This equipment comprises of high current source for testing of circuit breakers with additional facility for temperature rise testing (thus incorporating testing for moulded case, vacuum & air circuit breakers as per IEC 60947-2). The system integrates a servo controlled source with closed loop current feedback to maintain the current constant. It has the necessary instrumentation for maintaining current at full load & other conditions arising in testing at high current. The bench has a PC based control system with temperature data logger (24 channel with ch-ch isolation amplifiers). The data logger displays as well as stores a set of temperature values with time.
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Primary Injection Test Equipment
High current injection units for primary testing of over current relays and circuit breakers.
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Primary Current Injection Test Sets
Our primary current injection test sets cover from 750A through to 6000A. Available in single phase, testing applications include testing and timing of under and over current relays, circuit breakers and CT ratio testing.
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High Voltage Testers
HV Test, which is also known as Hipot Test – short form of high potential – is used to test the insulation quality of the auxiliary circuit of circuit breakers. The HV Test is useful in finding damaged insulation, stray conductive materials around the conductors, and problems due to terminal spacing and tolerance errors in cables.
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Infrared Thermometer Smart and Wireless Probe
805i
The testo 805i Smart Probe is an infrared (IR) thermometer that provides non-contact temperature readings; great for checking breakers, motors, ducts, and registers from a distance. The measurement area is indicated by a circular laser pattern which asssures accurate targeting measurement. Use the testo Smart Probes App to take photos of objects and include the laser pattern and the temperature reading for your reference. Easily adjust the emissivity within the App and store data as files or share via text or email. The testo 805i works on smart devices with either Android or Apple operating systems.
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Primary Test Equipment
LET-400-RD
It allows to perform with sufficient power, all the primary current injections to test the proper function and wiring of all the elements that compose the protection and measuring section in a substation.The regulation system is based on a continuously variable autotransformer (Variac) that supplies to a power transformer that delivers the high current outputs and isolate the main supply from the load. A built-in ammeter and a timer gives the information about the current value and the operation time of the relay or breaker under test.
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Circuit Breaker Testing Equipment
CB SCOPE
SCOPE introduces CB SCOPE – Loco Vaccum Circuit Breaker Test System; the ultimate solution for testing Loco Circuit Breakers of all types. CB SCOPE is the most complete analyzer for checking the dynamic performance of LOCO VCB’s.
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Oil Test Set
7000
Cambridge Instruments & Engineering Co.
Ideal for speedy and accurate testing of Breakdown / withstand test of transformer and circuit breaker oil, in accordancewith IS 6792 : 1992 for oil testing.
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Primary Current Injection Testers
Primary Current Injection Tester is designed for testing protective relay and circuit breakers and also testing the turns ratio of current transformers at high variable currents. A test current is injected into the primary side of a system to determine how the system behaves at particular levels of current. This test makes it possible to determine whether the relay will trip and how long the current needs to flow before the trip is initiated.
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3 Wire (Analogue) Earth Resistance Tester
4105 ER
Standard Electric Works Co., Ltd
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration performed with supplied test leads.
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Contact Resistance Tester
JYL-200B/100B
Product description: JYL-200B/100B contact resistance tester can measure contact resistance of high voltage switches and circuit breakeres, also can test primar side resistance of transformer and grounding wire in groups
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Single-Phase Static Switches
ISSF COMPACT
ISSF 'COMPACT' series circuit breakers are electrical devices used to interrupt or connect the flow of current in an electrical circuit. They are designed to provide high reliability and protection in a compact size. They overcome the limitations of electromechanical switches in many difficult and demanding applications, such as the control of high-power motors, transformers, tungsten lamps, heating elements, and electric ovens.
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Volt Probe & Socket Testers
Non-Contact & Socket
Use Amprobe non-contact volt probes to safely check circuit breakers, wall sockets and fuses for voltage presence with portable, economical tools. For sockets, choose an Amprobe socket tester, which can confirm whether GFCI breakers are properly wired.
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Circuit Breaker (Switch) Test Instruments
Wuhan Huatian Electric Power Automation Co., Ltd.
Circuit Breaker (Switch) Test Instruments by HVTEST
