Ground Resistance Clamps
See Also: Ground Resistance, Ground Resistance Testers
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Three-Phase Transformer Winding Resistance Meters
TWA Standard Series
When it comes to winding resistance measurement on three-phase power transformers and autotransformers, TWA Standard series offers some of the most technically advanced instruments with LCD display in the market. Both models are capable of testing six transformer windings with a one-time cable connection, as well as three-phase automatic transformer demagnetization. The stored magnetic energy is safely automatically discharged at the end of the test. The built-in tap changer control unit enables automated test mode, where the instrument operates the tap changer without operator input and records winding resistance results based on pre-selected stabilization criteria. This option makes the operator’s job significantly easier.Both models can output test currents from 5 mA to 25 A DC for the purpose of winding resistance measurement. TWA40D has a special test mode for checking the synchronization of on-load tap changers with three phases simultaneously tested in parallel, in which the total test current can rise to up to 40 A DC.TWA40D has additional advantages when it comes to non-intrusive tap changer analysis. The unique DVtest method 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, simultaneously with the measurement of tap changer motor current which helps with the detection of 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 on three phases simultaneously. It can also be performed as an additional test simultaneously with the winding resistance test in all tap positions.An additional unique advantage of TWA40D 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 shorten the total testing time – for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.The test leads for TWA three-phase transformer winding ohmmeters are interchangeable with the TRT turns ratio testers, which means that both sets of tests can be performed with a single test lead connection to the power transformer terminals.
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C/I Clamp Meters
*AC current measuring capability up to 400 amps*Compact size, fits easily into tool pouch*Data hold and Max hold to capture important readings*Lifetime Limited Warranty
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Contact Resistance Measurement System
CRMS
The CRMS is a system designed to allow any user to measure the resistance of each set of relay contacts associated with the relay under test. The test system consists of a CONTACT RESISTANCE MEASUREMENT UNIT (CRMU), a MULTIPLE RELAY TEST RACK, as well as an interconnect CABLE ASSEMBLY. Either DC or AC energy to pick and drop relay coils under test for all contact measurements is supplied from the CRMU and easily interfaces with the Multiple Relay Test Rack. For additional and more thorough testing of relays an external relay tester can be interfaced to the Multiple Relay Test Rack to supply energy to the relay coil. It is recommended that the UTE Relay Tester With Timer/Counter (UTE Product # 15967-00) be utilized so the operator can take full advantage of the unique features it offers
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Digital Clamp Current Tester For High Voltage
HCL-36UX
MULTI MEASURING INSTRUMENTS Co., Ltd.
・Display measurement value on your smartphone through blue-tooth connecting.・Measurement value can be kept in the our cloud server.・In addition to measured values, location registration by GPS, temperature, date and time can also be saved.
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Guardian Ground Bond Tester
19572
Chroma Systems Solutions, Inc.
Wide resistance measurement range : 0.1 ~ 510 mΩHigh performance AC current output : 45 ACompact size ground bond testerProvide reliable and stable test resultsBuilt-in resistance compensation functionStandard RS-232 interfaceOptional GPIB InterfaceCompatible with the model 19070 series Hipot Tester2-Year factory warranty
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Ohm-Stat Ground/Circuit Tester to Test ESD Ground
Tests ground for all 110v electrical circuitsWill determine the status of all electrical groundsEasy to use LED lightsWarranteeProduct conforms to the ESD S.20.20 spec standardsIdentify electrical problemsUsed with the Ohm-Stat RT-1000 resistivity meter
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Shoe Heat Resistance Tester
UI-FT28
Shoe Heat Resistance Tester is to test shoe outsole and upper hot contact resistance ability especially for safety shoe. Heat Resistance Test Method includes ISO 20344, SATRA TM49, EN 344 and etc.
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AC/DC CAT IV 600 A TRMS Navigator Clamp Meter
ACDC-52NAV
The ACDC-52NAV clamp-on power meter is the ideal choice for jobs that require AC/DC current measurements to 600 A, AC/DC voltage to 1000 V and wide jaws to accommodate large conductors.
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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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Insulation Resistance Tester
BC2010 / 751
Wuhan Huatian Electric Power Automation Co., Ltd.
It is suitable for measuring cable, motor, generator, transformer, transformer, high voltage switch, lightning arrester and so on.
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Enclosure, G18, Hinged Cover, 3 Cable Clamps, 7" Depth
410112664
Enclosure, G18, Hinged Cover, 3 Cable Clamps, 7" DepthIncludes hinged cover, handles and 3 cable clamps- allow a max. cable bundle of 1.59 sq. inches per clamp. ITA strain relief plates. Housing: Material = .06" Aluminum, Finish = Powder Coat BlackCover(s)/Access Panel(s): Material = .12" Aluminum, Finish = Black Anodize
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Resistance, Ground Testing, Battery And Power Quality
Our testing equipment works wherever you are, whenever you need it, with precision and reliability.
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Explosion Resistant Ovens For Flammable Solvents
Explosion-resistant ovens are designed to safely operate in environments that require extra precautions when working with flammable solvents.
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ESD SURFACE RESISTIVITY METER (WITH 10 LEDS)
Simply place the meter on the surface of the material that requires measuring.Press the green test button. The meter will then light the appropriate LED from 10 to the power of 3 to 10 to the power of 12 Ohms per square or insulative.
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Transformer Winding Resistance Meters
RMO TT Series
The Tap Changer Analyzer & Winding Ohmmeter of the RMO-TT series is designed for winding resistance measurement of inductive objects, and for a tap changer analysis. The RMO-TT series is based on the state of the art technology, using the most advanced switch mode technology available today. The RMO-TT instruments are accurate (0,1%), powerful (up to 100 A) and still portable. The Instruments generate a true DC ripple free current with automatically regulated measurement and discharging circuit. RMO-TT instruments can perform a simple, quick and reliable transformer on-load tap changer condition assessment. This series of instruments enable measurements of a winding resistance in every tap position, current ripple values (percentage of a current drop during a tap change) and transition times during the tap changes. Problems with a connection, contacts, and selector/diverter switch operation (tap change with interruption) can be detected with these measurements.
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Automatic Transformer Winding Resistance Meter 25A
ATWRM-25
The Eltel ATWRM-25 with its latest " State of the art" design is an unmatched high performance of winding resistance measurement providing fast measurements, wide continuous test current ranges, high accuracy and is ideally suited for low resistance measurements both in the laboratory and in HV switchyards.
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Clamp Multimeters
Clamp Meter is a 5 function, 9 range auto-ranging unit engineered to measure AC Current (40-400A), AC/DC Voltage (400/600V), Resistance (400/4000O), and Continuity. Similar to digital multimeters, clamp meters offer a large range of functions and include LCD screens to display results but they offer the additional unique ability to measure current without having to contact live conductors.
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7U VPX 1 Slot Power & Ground 10G Pass Through
101VPX701P-9X12R
Power for 3.3V, 5V and 12V are included, rear connectors areall fully loaded, use with Elma’s slot to slot or slot to I/O bulkhead cable products during system development.
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Economic Type Resistance Indicator
CS1-RS
CS1-RS economic type Resistance Indicator has been designed with high accuracy measurement, display and communication of Ohm(2 wire) as like as Coil of motor or transformer.The meter supports Field Calibration function. It can be calibrated with sensor (Resistance) to meet machinery structure.They are also available 1 option of 1 Relay outputs, 1 Analogue output or 1 RS485 (Modbus RTU Mode) interface with versatile functions such as control, alarm, re-transmission or communication for a wide range of machinery and testing equipments applications.
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Electrical Grounding Analysis
GroundMat
SKM GroundMat is a program for substation ground grid design and analysis. It is designed to help optimize grid design or reinforce existing grids of any shape. It uses a general-purpose finite element algorithm for potential analysis and graphical facilities to validate ground system efficiency
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Heating Resistance Tester
TF329
TESTEX Testing Equipment Systems Ltd.
Heating Protection Tester, to determine the heating resistance and insulation performance of protective clothing and fabrics when exposed to the heat source of radiation and convection The heat source and radiator can be manually adjusted, easy to operate equipped with the heat calibration calibrator ensures the accuracy of the test results
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3 Wire (Digital) Earth Resistance Tester
1820 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.● The test leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test leads.
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Handheld Insulation Resistance Testers
U1450A/60A Series
The U1450A and U1460A series insulation resistance testers are ideal for predictive and preventive maintenance measurement tasks in electrical and industrial applications. With their vast measurement capabilities, efficient automated report generation and high durability, you can accomplish more in a day’s work with the Keysight U1450A and U1460A series insulation resistance testers.
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Wireless Connectivity AC / DC Clamp Meter with 6000 count / NCV / SPT / 600A / 1000A (AC / DC) Current
MS-W376DFT
This is a external wireless connectivity digital clamp meter integrated with AC / DC hall effect sensor, 3-3/4 Digit 6000 Count, True RMS, auto and manual measurement.
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True RMS Clamp Meter
DL489
UEi Test & Measurement Instruments
The DL489 True RMS Clamp meter offers contractors better features, functions and safety in a commemorative edition housing. A complete meter with the precision of True RMS and the functionality your job requires. Featuring 600A AC/DC, 750V AC and 1000V DC, resistance, capacitance, diode test, continuity, microamps and LRA Inrush. The DL489 is the complete meter your job requires.
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IPX9K Rain Spray Testing Chamber / Rain Resistant Test Machine
CX-IP9K
Shenzhen Chuangxin Instruments Co., Ltd.
Water Spray Test Equipment is used to test the water resistance; which is mainly for electronic and electrical products. It can also provide references for product design and quality control.
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Panel-mount Type Resistivity Meter (Four-Wire Transmission, 2-channel)
HE-960RW
HE-960RW connects resistivity sensor(ERF sereies) and measures resistivity and temperature in the sample water.This resistivity meter is ideal for such applications as the high-precision water monitoring employed at ultra-pure water plants used in semiconductor manufacturing.They utilize newly designed, high-precision, high-stability temperature measurement circuitry and a vastly improved temperature compensation function, an important element for measuring the resistivity of ultra-pure water.
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Ground Pro Meter
Verifies Critical Grounding Parameters of a FacilityMeasures AC voltage, DC voltage, EMI voltage and AC impedanceProvides Accurate Measurements of Ground Impedance on a Working ToolMeets ANSI/ESD S20.20 requirements for AC impedanceIdentifies Potential EOS Generators
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J-Type Thermocouples Grounded (32 deg F to 900 deg F )
745685-J01
J-Type Thermocouple, 32°F to 900°F Temperature Sensor - The J-Type Thermocouple works with NI measurement devices and software to help you acquire temperature data within a measurement system. You can use LabVIEW or FlexLogger software and NI-DAQmx driver software to configure measurements and predefined scaling coefficients for the J-Type Thermocouple and acquire synchronized temperature data in units of degrees. The J-Type Thermocouple is available in various lengths and configurations including field-cuttable, ready-made sensors, and thermocouple wire extensions with a -20°F to 221°F temperature range.
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Handheld Digital Multimeter, 4.5 Digit, Water and Dust Resistant
U1272A
Feature sets that meet traditional industrial requirements and improve productivity and safety Improved accuracy and resolution to meet traditional industrial requirements (30,000 counts resolution with 0.6% for ACV accuracy)Intelligent features to improve productivity and safety (LPF, ZLOW, Smart )Better grip Both visual and audible continuity indication in noisy environments Easy access to fuse for simplified maintenance Easy connectivity to PC and internal memory (up to 10,000) for data logging Large rotary switch and buttons that are easy to operate Dust and water resistant casing (IP 54 compliant)Compatible with U1177A/U1117A IR-Bluetooth adapter for remote monitoring & datalogging Altitude: 3000 meters
