Resistance
that which keeps current from flowing freely.
See Also: Resistivity, Resistance Standards, Resistance Meters, Resistance Test, 4-wire
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Product
Resistance Temperature Sensors
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Watlow Electric Manufacturing Company
These sensors are suited for applications where accuracy and stability are essential for proper control in applications that operate at or below 1200°F (650C).
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Product
Insulation Resistance Meter
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Changzhou Applent Instruments Inc.
Designed for measuring very high resistance and related parameters of insulation materials, electronic components, and electro-mechanical components.
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Product
Floor Resistance Test Kit
PMK-152
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The PMK-152 Floor Resistance Test Kit contains the instruments you need to take resistance measurements.The PMK-152 includes Prostat's PRS-812 Resistance Meter with 5 pound conductive rubber electrodes. You can take measurements at 10 and 100 volts with accuracy within ±5%.
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Product
DC Air Based Resistance
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DC Air Based Resistance Standards are designed for high accuracy resistance calibration in air.
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Product
Insulation Resistance Measurement
MD 5KVr
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The digital insulation tester model MD5KVR is TENTECH's cutting edge insulation analyzer equipment and it is one of the most complete and sophisticated available in the international market. A software allows for further analysis of tests results, including features such as graphical representation and automatic report generation. Its proven technology provides safe, reliable and accurate measurements of insulation resistances up to 5 TΩ, with 4 preselected test voltages, 500 V -1 kV - 2,5 kV - 5 kV. Other test voltages, from 50 V to 5 kV, can be selected in 25 V or 500 V steps.
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Product
Multiple High Resistance Standard
MHS
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*1 MEGOHM TO 1 TERAOHM*FULLY GUARDED*HIGH IMMUNITY FROM AMBIENT TEMPERATURE CHANGES*TRANSPORTABLEOhm-Labs' new Multiple High Resistance Standard maintains state-of-the-art resistance at levels above 1 megohm.
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Product
Resistance Standards
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Ohm-Labs manufactures reference grade resistance standards from 10 micro-ohms to 10 teraohms. Each range of standards utilizes the latest advances in materials and processing for high stability and immunity from changes in ambient environment. All products are supplied with ISO17025 accredited calibration.
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Product
Resistance Temperature Detectors (RTD) Simulators
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Simulation of resistance based temperature sensors such as positive or negative temperature coefficient thermistors. Resistance Temperature Detectors (RTDs) can be wire-wound or thin film. Our RTD simulator modules provide a cost-effective method of simulating both PT100 and PT1000 RTD sensor types that require fine setting resolution.
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Product
High Current Resistance Measurement Systems
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Measurements International Ltd.
Modular Designed Base Unit with Expanded Capabilities to 10,000 Amp, Complete Turn-key System, Resistance and Temperature Curves, Complete Measurement Systems Available, Proven Technology.
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Product
DUT Resistance Tester
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AllWin Instrument Science and Technology Co., Ltd.
1. This test verfies the integrity of DUT2. The resistance is measured by measuring voltage3. Current is made by distribution
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Product
Resistance Grounded Systems (HRG/LRG)
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Neutral Grounding Resistors (NGRs) are used to limit the maximum ground-fault current. Restriction of fault current lowers hazards and reduces damage done to equipment. High Resistance Grounding (HRG) systems are often used on industrial and critical power applications to maintain system uptime during a first ground fault. HRG systems are also used in tripping applications to help control touch potential on portable loads and improve personnel safety.
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Product
Resistance Meters
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ACL provides surface resistance/resistivity meters and digital megohmmeters to quickly and accurately measure resistivity.
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Product
Digital Earth Resistance Tester
8PK-ST1520
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Capable of measuring earth voltage (Vac.) 2mA measuring current permits earth resistance to test without tripping earth leakage current breakers in the circuit. Battery operated. Auto power off function. Data hold function. Small and light weight.
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Product
Resistance Measurement
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PROMET 100 / 200 / 600 high-accuracy, precision ohm meters deliver an adjustable test current up to 600 A which is independent of the supply voltage. They utilize the four-wire resistance measurement method, enabling them to meet extremely stringent accuracy requirements when determining resistance values in the micro-ohm range.State-of-the-art power electronics coupled with a robust design guarantee maximum reliability, even when used as portable devices in switching stations or industrial environments.The modern operating concept, an interface to the test systems of the ACTAS product line and an optional remote control unit make these micro-ohm meters flexible and versatile.
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Product
Insulation Resistance Measurement
MI20KVe
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The MI-20KVe High-Voltage insulation tester is a truly portable device that allows the measurement of insulation resistances using test voltages up to 20 kV.
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Product
3 Wire (Digital) Earth Resistance Tester
2720 ER
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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.● Battery test indication.● Calibration performed with supplied test leads.
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Product
Insulation Resistance Testers
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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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Product
Megohmmeters/Insulation Resistance Testers
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Full line of megohmmeters with test voltages 50V to 5000V. Capability to measure insulation resistance up to 10T. These rugged, weather resistant meters are accurate, reliable and built to perform. Battery, AC Powered & Hand-cranked models available.
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Product
Winding Resistance Meter
TRM 25
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SCOPE introduces 25 A state of the art precision winding resistance meter, specially designed for field testing as well as factory testing of large transformers up to 500 MVA. Winding resistance value of transformer and rotating machine are directly displayed on 5.7” TFT display. TRM 25 is designed to work in live EHV switchyard conditions, ensuring operator’s safety and repeatability of results. Maintenance time saving is ensured by one time connection to transformer with simultaneous resistance measurement of three / six windings, measurement of resistances of all taps with automated tap change and demagnetization facility. The meter is protected against the back-EMF offered by large inductive windings.
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Product
Resistance Measurement
PROMET
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High-precision micro-ohm measuring systems with adjustable DC test current for determining resistances on circuit breakers or inductive loads such as transformers, for example. The high-precision ohm meters of the PROMET series are used to determine very low electrical resistances in the µΩ range. The adjustable test current of up to 600 A in combination with a four-wire measuring method delivers measurement results which meet stringent accuracy requirements. State-of-the-art power electronics coupled with a robust design guarantee excellent reliability for use as a portable device in switching stations and industrial environments. Typical applications include determining the contact resistance of switchgear devices and determining the resistance on inductive loads such as transformers.
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Product
Winding Resistance Meter
TRM 104
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TRM104 is a portable winding resistance meter, designed to work in live EHV switchyards. Winding resistance values of large transformers up to 500 MVA and rotating machines are directly displayed. The meter is protected against the back emf offered by large inductive winding. A back-lit 4 line LCD with a user-friendly menu sets up the instrument for the test. Winding resistances and safety messages are also shown on this display. It is possible to measure the resistance of two windings simultaneously.The meter contains a special power source for rapid stabilization of test results.
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Product
Measuring Earth Resistance
OSP-510
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Additional equipment to measure the earth resistance and soil resistivity AD-510.
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Product
Winding Resistance Meter 15Amps, 2 Channels
WR14
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Raytech's Digital Winding Resistance meter WR14 is the battery powered version winding resistance system with a most advanced demagnetizing circuit. It is designed for high degree of accuracy measurement of very low resistance of any inductive loads.
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Product
NMC Make 20kv Digital Insulation Resistance Tester
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NMC offers high quality automatic digital insulation resistance testers, range : 0-20kv/20teraohms.
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Product
Winding Resistance Meter 50Amps, 3 Channels
WR50-13
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Raytech Digital Winding Resistance meter WR50-13 is the enhanced version winding resistance system with a most advanced demagnetizing circuit. It is designed for high degree of accuracy for the measurement of very low resistance of any inductive loads.
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Product
Insulation Resistance Meter
AMIC-15k1
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The partial discharge indicator PDI. Diagnosis of insulation systems based on standard measurements of IR, DAR, PI, SV, RT, DD. Allows to test the electrical durability of the tested object - indication of breaking voltage. The high resistance to electromagnetic interference ensures uninterrupted operation in power plants and near high-voltage transmission lines up to 1200 kV AC and 500 kV DC.
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Internal Resistance Testers
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The Battery Internal Resistance Tester is essential for assessing the health and performance of stationary reserve power batteries. Designed for efficiency, this tester measures internal resistance, helping to identify potential issues before they impact battery performance. By providing accurate diagnostics, it enables proactive maintenance, ensuring reliability in critical applications. This advanced testing equipment is an invaluable tool for enhancing battery longevity and optimizing energy storage systems.
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Product
Surface Resistance Meter
990SRM
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The Model 990SRM is a convenient, pocket-sized meter for measurement of surface resistivity and resistance to ground.
