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Ohmmeters
measure the electrical resistance of a conductor.
See Also: Micro Ohmmeters, Teraohm Meters, Megohmmeters, Microhmmeters
- Valhalla Scientific Inc.
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Precision Micro-Ohmmeter
4176
Best-selling Valhalla 4176 ohmmeter measures transformers, coils, and shunts the competition can’t. The 4176 provides ultra-stable low-resistance measurements.
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Wide Range Ohmmeter
PAS-853B
- Wide Resistance Measurement Range from 0.01 ohm to 9.99x1012 ohms- Nominal Full Range Tolerance Averages <±5%- Fully Automatic Resistance Range, Test Voltage and Electrification Period Control- Automatic or Continuous Electrification ControlRugged High Performance 80 inches (200cm) Test Leads Included- Powered by one long lasting 9V Alkaline Battery- Large, Easy to Read LCD Display- Meets requirements of ESD Association Standards for material and audit resistance measurement requirements- Certificate of Calibration Traceable to NIST included
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Dynamic Micro Ohm Meter
PRIME 200
It is the only micro ohm meter in the market that integrates both the contact resistance and the dynamic resistance measurement (DRM) for cost-efficient condition evaluation of contacts in SF6 and vacuum type circuit breakers; PRIME is a high current micro-ohmmeter that provides true pure DC with smart control up to 200 A, a wide measurement range with high power, dual ground testing process, thermal printer, touch display, pre-defined test modes and automatic reporting.
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Transformer Resistance Testing
Weshine Electric Manufacturing Co., Ltd
Transformer insulation resistance deterioration is one of the most common causes of transformer failure: a failing transformer is a costly replacement in an electrical system with the potential for a long downtime. If you fail to maintain your transformer with regular insulation resistance testing (as can be carried out by the WESHINE Transformer Ohmmeter (VS-3110 series) of transformer test equipment) then it’s likely to fail before reaching its maximum operating life.
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10 A portable digital micro-ohmmeter
MPK-253
The MPK-253 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 10 A.
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Ohmmeters
GAOTek provides state of the art, professional grade Ohmmeters for sale to the United States, Canada and Globally. GAOTek Ohmmeters are portable instruments that accurately measure electrical resistance between two points on a circuit. The Ohmmeters have their own power supply through their own battery, and are needed when the two probes (red: positive side of circuit, black: negative side of circuit) are connected to the two points in the circuit where the desired measurement is to take place. The circuit is turned off, which is when the ohmmeter sends its own current through the circuit. Units of Ohms, symbolized by the Greek letter Ω (Omega), are used as a unit of measure when measuring electrical resistance. In accordance with Ohm’s law, when the current is passing through a circuit is at its maximum, the resistance is said to be the smallest.
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Digital Micro Ohmmeter
*For fast and accurate measurements of low resistance on 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*4 1/2 digit display for higher resolution*Wide resistance range of 20µΩ to 200mΩ in 5 ranges*Suitable for operation in energized switchyard conditions*SMPS based- lightweight and portable
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Live-Line Micro Ohmmeter
Ohmstik Plus
The Ohmstik Live-Line Micro Ohmmeter measures the micro-ohm resistance of conductors, connectors, splices and switching devices positioned directly on an energized, high voltage lines. This measurement is much more direct than infrared thermography, and is not subject to emissivity, weather, current loading, background, and other influences that cause infrared errors.
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Microwave Testing
10
PICOPROBE® MODEL 10 is a multipurpose, high speed, passive probe which can be used for driving as well as receiving signals. The Model 10 consists of a one meter length of flexible 50 ohm coaxial cable terminated by a carefully trimmed SMA on one end and by a miniature, high speed 50 ohm connector, specially developed to receive Model 10 replaceable coaxial probe tips, on the other. The 50 ohm coaxial cable was custom designed for Model 10 to be high speed, yet very flexible, so that moving the cable would not disturb the probe points.
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Low Thermal Input Connector
34104A
Design custom input connections on your 34420A Micro Ohm Meter with this mating connector
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Ohmmeter
PDRM-1A
The PDRM-1A ohmmeter is very accurate for measuring low resistances. You can measure values from 1µΩ to 200Ω. For this reason, it allows a wide variety of measurements to be made with a single instrument.
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Igniter Testers
Igniter Tester is a failsafe and portable digital ohmmeter specifically designed for ultra-safe resistance testing on squibs, flares, bridge-wire, and other explosive devices. The 620A-4 ohmmeter has been approved by the USAF Non-Nuclear Munitions Safety Board for usage on all non-nuclear munitions, and independently certified to meet Mil. Std. 810 Mtd. 511 for usage in fuel-filled environments. Due to its intense self-safety design and numerous certifications, the 620A-4 failsafe ohmmeter is the industry standard for military programs in need of igniter testing.
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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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Low Power Ohm Meter
LRO-20
Laxtronics Instruments & Controls Pvt. Ltd
LOW POWER OHM METER / DIGITAL IGNITER TESTER (0 - 19.99Ω)
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Micro Ohm Meter 200A
Micro Centurion II
Raytech Digital Micro ohm meter, Micro-Centurion II, was designed for high degree of accuracy to measure very low resistances. This technology was then packed into a portable test system to be used by apparatus manufacturers, rebuild shops, and electrical maintenance crews. This intelligent system has an easy to use operation screen, which allows quick selection of the current level and resistance level to be measured.
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Digital kV Meter
VM-10, VM-20 , VM-30
UDEYRAJ ELECTRICALS PRIVATE LIMITED
High Voltage Meters measure AC and DC voltages of up to 30kV with high accuracy. The meter input impedance is as high as 1000 M ohm, making the meter suitable for measurement of voltages of high source impedance circuits. Meters are compact and light weight and can be conveniently used as a calibration meter.
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Resistance Measurement
PROMET
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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Transformer Winding Ohmmeter
TWO-110S
Transformer Winding Ohmmeter is designed to measure the dc resistance of all types of magnetic windings accurately. It can test transformers and rotating machine windings and perform low-current resistance measurement on connections, contacts and control circuits.
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Plant Auditor's Surface Resistance Kit
PMK-153
The PMK-153 Resistance Test Kit contains the instruments you need to take resistance measurements.The PMK-153 includes the PAS-853B Wide Range Ohmmeter with 5 pound Conductive Rubber Electrodes. The PAS-853B instrument is a wide range ohmmeter that measures accurately from 0.01 to 9.9x1012 ohms. In AUTO mode the instrument automatically adjusts resistance range and selects test voltage in accordance with standard practices outlined in ANSI/ESD STM11.11, and meets audit requirements of ESD TR53.
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Igniter Tester
A specific type of ohmmeter used to conduct safe resistance tests on explosive devices, such as squibs.
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Micro Ohmmeters
The range includes a number of portable testers designed for use in tough environments, ideal for use in test facility or out in the field. The units are rugged yet compact while maintaining accurate low resistance measurements.To compliment the range of units we also have all the accessories you could ever need, ranging from cable clamps to calibrators.
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Ohmmetrie
0.1 Ohm to TeraOhms each ohmmeter or AOIP resistance meter covers a very broad spectrum of applications for resistance testing, electrical continuity but also isolation.
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Milli Ohm Meters
Teledyne Test Tools series of D.C. Milli-Ohm meters offer two models T3MIL50 and T3MIL50X, which features a 3.5-inch TFT display with a measurement accuracy of 0.05%, maximum 50,000 count measurement display and sampling rate of 60 readings per second. The T3MIL series also provides four wire measurement as well as temperature measurement and temperature compensation functions to meet the requirements of low resistance measurement applications.
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Micro Ohm Meter
TES Electrical Electronic Corp.
Best resolution. Accuracy 0.05%. 5A max test current. Manual or Auto Range. Measurement of resistive and inductive materials.
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Autocompute LCR-Q Meter
Model 4910
Aplab Model 4910 is a microprocessor based digital Autocompute LCR-Q Meter that meets today’s laboratory requirements, in the production line and the quality assurance area. It features fully autoranging and automatic operation over a wide range of measurements. Model 4910 measures inductance, capacitance, resistance and quality factor to a basic accuracy of ±0.25% of the reading for values upto 2000H, 2000μF, 2M ohm and Q factor upto 99 respectively. Measurements can be made at a frequency of 100Hz or 1KHz as required and either the series equivalent or parallel equivalent component values can be displayed.
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Low Thermal Input Cable
34102A
Use this 1.2-m shielded, 4-conductor connector only with the 34420A Micro Ohm Meter; terminated in copper spade lugs.
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Portable Ohmmeters
Our portable digital ohmmeters offer true portability without any sacrifice to accuracy or functionality. These ruggedly constructed instruments are ideal for use in the workshop, field or test facilities.
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Micro Ohmmeter
HTHL-100B / 382
Wuhan Huatian Electric Power Automation Co., Ltd.
Special equipment for field high voltage switch maintenance and high voltage switch circuit resistance test in power supply department.
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AC/ DC mA Current Clamp-on Transducer
CA-60
This miniature clamp meter features two Hall effect sensors. For use with any multimeter with 200mV or/and 2V ranges for direct readout input impedance of least 1M ohm. High conversion factor for low DC and AC mA measurement. With the small jaw size it can fit into tight space in circuit panel or wire bundle to take the reading.
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Low Resistance Ohm Meter
6237 DLRO
Standard Electric Works Co., Ltd
● Microprocessor-controlled.● Measure down to 1μΩ.● 6 ranges from 2.000mΩ to 200.0Ω.● Maximum resolution of 1μΩ.● Three test currents with over-temperature protection.● Four terminal measurement.● Protection against inadvertent connection to over- voltage. (crow bars for current and voltage)● Clear & large LCD.● Potential lead resistance and current lead resistance checks.● "Full-featured” EnerSave™ Inside.● EnerSave™ Auto-hold.● EnerSave™ Auto-off.● Rechargeable battery operated● Robust & compact.● Indicators show if reading may be invalid (RP, RC, and temperature).● "O-Ring” sealed case.
