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Three-Phase Transformer Winding Resistance Meters
TWA Advanced Series
TWA Advanced series is the latest DV Power solution for three-phase transformer winding resistance measurement and tap changer analysis. They are capable of testing six transformer windings with a single cable connection, as well as three-phase automatic transformer demagnetization. It has the option of the automated test mode, where the instrument operates the tap changer without operator input (minimizing the risk of human error) and records winding resistance results based on pre-selected stabilization criteria.The unique DVtest method of tap changer analysis enables checking the moving contacts of on-load tap changers during the transition, measuring the transition time, detecting open circuits, and many other types of faults. It is performed with 0.1 ms sampling rate, together with the measurement of tap changer motor current which detects motor and mechanical issues. A special proprietary algorithm is used for testing tap changers connected through a built-in series (booster) transformer. The DVtest can be performed either on one phase or simultaneously on three phases. It can also be performed together with the winding resistance test in all tap positions.A unique advantage of TWA Advanced instruments is the capability of simultaneously testing the winding resistance of all three phases of a three-phase transformer connected in a YN configuration. This can significantly speed up the testing– for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.TWA500 is equipped with a large 10.1” graphical touch-screen display, while TWA400 has a 7” graphical touch-screen display. Besides making the interface much more user-friendly compared to older winding ohmmeters, it also enables certain test options that were previously available only with DV-Win software. The most important among them are DVtest, tap changer motor current measurement, “Heat Run” test, test templates, and automatic test mode.
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Temperature & Humidity Testers
UEi Test & Measurement Instruments
Temperature & Humidity Testers
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Transformer Oil Tester
GTD-61A
1. The GTD-61A Automatic Oil Tan Delta(OTD) & Oil dielectric loss tester is highly automated, allowing for the measurement of temperature rise, dielectric loss, and resistance in one go.
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EV And Pack/Module Tester
Discover the Series 8500, an innovative and fully automated test system engineered to evaluate the performance of Electric Vehicle (EV) components, Energy Storage batteries, Modules, and Packs in real-world conditions. This high-specification system not only delivers accurate results but also allows the energy produced during discharge to be returned to the electrical grid.Using Maccor’s standard fully featured battery test software, the Series 8500 can perform virtually any type of battery test including FUDS, SFUDS, DST etc. for electric vehicle batteries and standard cycling tests for energy storage devices.
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Dielectric Withstand Tester
Weshine Electric Manufacturing Co., Ltd
The induction withstand voltage test of transformers and transformers is an important test to ensure that the quality of transformers conforms to national standards. The longitudinal insulation induction withstand voltage test of the inter-turn, inter-layer, inter-section and inter-phase insulation of the transformer winding is an important item in the transformer insulation test.
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Glow Plug Tester
7640
Peaceful Thriving Enterprise Co Ltd
The tester is able to help diagnosing the condition of glow plug without removing it from the engine. This tester is working for 12V system, tester can be energized by 12V vehicle battery directly.
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Insulation Resistance Testers
Shanghai Beha Electronics Co., Ltd.
*This is a variable high voltage insulation tester from 500V to 15kV in 500V steps.*The is menu driven and uses Dynamic Current Auto ranging technology.*It has a Bar-Graph which displays the voltage stressing the insulation while the test is in progress and the voltage decay during the automatic discharge of the tested circuit.*The top line of the display shows the elapsed time at the start of the test. Digital readout of the total time will remain displayed even after testing has ceased.*A 4-digit display (2000 counts) is showing the actual insulation resistance.*This instrument displays a voltage warning and sounds when AC or DC is present before injecting the test voltage.
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IST(5KV~15KV)High Voltage Micro Ohm Meter,Insulation Resistance Tester Kit
Chongqing Assen Power Equipment Co., Ltd
ISF High Voltage Ohm Meter has a large LCD screen gray backlit display, data storage, data access, alarm, and automatic shutdown functions.
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Coil-On-Plug Spark Tester
20700
Provides an Easy Way to Check Ignition Systems with Coil-On Plugs. Applications Include Ford, Chrysler, Mitsubishi, Nissan and More.
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Box Compression Tester
These advanced Box Compression Testers are PC-controlled systems primarily used in the packaging industry for determination of the compression strength of cartons, containers, cardboard boxes, etc.
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Battery on-line Monitoring Tester
HD Power Test Equipment Co.ltd
Battery on-line monitoring system tester is a on-line battery monitoring and auto maintain system for USP,EPS, DC power supply, communication power supply . The tester has the function of monitoring and alerting for a series of parameters such as battery pack voltage, battery pack current, cell battery voltage, cell battery internal resistance, battery environment temperature, Cell Battery negative temperature and battery voltage balance, residual capacity and discharge. It can automatically maintain balance voltage, which used for on-line monitoring 2V and 12V battery.
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Insertion / Return Loss Tester
JW8301
Shanghai Joinwit Optoelectronic Tech,co.,Ltd
JW8301 Insertion/Return Loss Test Station is a professional instrument, which is designed for CWDM device, multi-wavelength devices, PLC, fiber cable. It is a new high precise optical test instrument, which combines many years experiences of passive device ,configured with VFL and 850nm Optical Light Source. It supports the judgment of threshold, Multi wavelength automatic testing, system integration, upper computer monitor solution etc.
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CABLE TESTER
MCT-7
Whirlwind Music Distributors, Inc.
This diagnostic cable tester has connectors for analyzing almost any type of cable combination. The convenient rotary switch allows testing of each conductor within the cable and can determine the internal wiring configuration. Tests NL4, 5 pin DIN, BNC, XLR, TRS, RCA and 3.5 mm types.
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Capacitor Tester
MIG0603CAP
The MIG0603CAP consists of two circuits with impulse capacitance 20 µF and 0,25 µF. Both circuits generate a voltage wave shape 1,2/50 µs and are combined in a 4 unit height 19" rack. The generator circuits are defined in IEC 60384-14 and EN 132400. The serial resistors Rs, the impulse capacitor CT, and the load capacitance Cp will be automatically switched when different capacitance ranges are selected on the MIG0603CAP.
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RCD/LOOP/PAT Testers
Kyoritsu Electrical Instruments Works, Ltd.
Custom microprocessor controlled for highest accuracy and reliability. 3 LEDs for checking correct wiring status. 0 and 180 degree phase angle switch permits quick tests and consistent readings. Digital read-out of tripping time. Constant current source circuitry ensures that a fluctuating mains voltage does not affect the accuracy of readings. Large custom digital display readout. Visual indication of reversed phase and neutral wiring at socket. Designed to IP54 Rating. Complies with IEC 61557 Test of a large kind of RCD''''s: Standard, Selective, AC and A (DC sensitive breakers)
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Battery Tester
Shenzhen Graigar Technology Co.,Ltd.
A battery tester is an electronic device intended for testing the state of an electric battery, going from a simple device for testing the charge actually present in the cells and/or its voltage output, to a more comprehensive testing of the battery's condition.
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Pole Plug Tester
SAE 7
When there’s no time to waste the SAE 7-Pole Plug Tester provides a fast, easy way to isolate lighting problems to the tractor or trailer. Use it to test the output of SAE 7-pole tractor light cords, while connected to the tractor or to your Square Wheel Industries Trailer tester.
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Acid Number Tester
LD-LAAT-A12
LabodamLD-LAAT-A12is automated and controlled by microprocessor. It is designed and made as per the ASTM D664-11a Test Methods for Acid Number of Petroleum Products.
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Random Pilling Tester
UI-TX08
Random Pilling Tester is a kind of pilling tester to determine textile fabric resistance to pilling, fuzzing and matting by tumbling randomly.
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Multiport JTAG Tester
XJQuad
XJQuad is a 4-port version of the XJLink2 USB-to-JTAG controller targeted at PCB manufacturers. It is supplied with XJRunner software for running XJDeveloper test systems. With a range of special features it is particularly suitable for concurrent/parallel testing on the production line. Each of the four ports has a high-speed interface which can be connected to up to four JTAG chains on each Unit Under Test (UUT).
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Electrical Safety Testers
A high performance electrical safety analyzer that complies to a wide range of universal standards. Hipot, Insulation Resistance, Ground Bond, Leakage Current (touch current and protective conductor current) and partial discharge can all be tested. A total of 6 models are available for standard compliance tests in a wide variety of applications including R&D, quality assurance manufacturing lines and laboratory tests.
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Transformer Heat Run Tester
1. Suitable for all transformers below 240MVA heat run test and winding resistance testing.2. Printing heat run data automatically.3. With double power supply, can test high voltage side and low voltage side simultaneously and test any operation respectively.4. With anti breakage protection function of inductive test items.
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Multifunctional Electrical Installation Testers
Eurotest XA
The fifth generation of Metrel's multifunction electrical installation testers brought know-how in the testing procedures to reality. Because of the need to be efficient, faster and competitive but still responsible and concentrated on safety, all the technical content and innovations under AUTO SEQUENCE, rotate around taking care about testing procedures itself.
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LCM Tester
Model 27011
To meet the high accuracy and low price requirements for LCM Test device, Chroma 27011 that integrates the signal and power source provide a complete test solution for LCD Module. Its LVDS, TTL signal source fully complies with the digital signal standard, meanwhile with the 12V, 5V, 3.3V DC source output it is able to supply power to VDD, Backlight or LCM test without obtaining external power source.
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Saw Mark Tester
SRT-301
SRT-301 Saw Mark Tester is used to Measure Line-mark depth of the wafer surface,it has the advantages such. As easy carried, Conveniently operated Liquid crystal display, energy conservation and so on, At the same time,it has the built-in printer and rechargeable batteries , All design are up to the standards of JIS,DIN,ISO,ANSI.
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Resistivity Imaging & Sounding System
Syscal Junior Switch
The Syscal Junior is an all-purpose resistivity imaging and sounding system for environmental applications. The system can be supplied as a standard imaging system capable of recording two measurements simultaneously. The second recording channel significantly improves data acquisition time when the instrument is fitted with internal switching board for 24 (Switch-24) 48 (Switch-48) or 72 (Switch-72) electrodes for Electrical Resistivity Tomography (ERT).
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Low Resistance Or Continuity Testing
From Megger, these highly accurate, easy to operate instruments 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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Resistivity Meters
Precisely Measure Surface Resistivity, Volume Resistivity, or Resistance to Ground. Advanced Energy's Trek and Monroe resistivity meters offer accurate and repeatable measurements for surface resistivity, volume resistivity, or resistance to the ground.
