Resistance
that which keeps current from flowing freely.
See Also: Resistivity, Resistance Standards, Resistance Meters, Resistance Test, 4-wire
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Insulation Resistance Testers
.Multi Test Voltage .Auto range .LCD background light .Data hold .INSULATION RESISTANCE TESTER
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Insulation Resistance Testers < 1 kV
With over twenty 1-kV models to choose from, selecting the proper Megger insulation tester can appear a bewildering task at first. Actually all the process requires is a little organization. All Megger insulation testers perform essentially the same test in fundamentally the same manner - accurately and reliably. Refinements and added features, however, separate one model from another in application and operator appeal.
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DC Resistance Tester
ZLD-10
Shanghai Dean Electrical Co., Ltd
Executive standard: GB/T4074.5-2008/IEC60851-4; Inspection standard: JB/T4279.2-2008Used to measure conductor with nominal diameter ≥0.01～9.0mm or various round or flat copper and aluminum wires and other metal wires with DC current resistance of 100μΩ～99.99Ω;Combination of intelligent DC conductor resistance measuring meter and DC resistance test fixture with sample straightening function;Test range can be selected according to the resistance value of sample, and after clamping samples current resistance value would be displayed;Both potential fixture and current fixture are made of copper;The application of microcomputer control allows for full-automatic completion of test;LED will intuitively display measurement results;
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Earth Resistance Meter
EM 4058
earth tester is a digital, microprocessor controlled instrument that allows to measure the earth resistance and ground resistivity (using Wenner´s method), as well as to detect parasitic voltages present in the ground. This instrument is suitable to measure earth systems in power substations, industries, distribution networks, etc., according to IEC 61557-5.
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Linear Polarization Resistance (LPR) Monitoring
The electrochemical technique, commonly referred to as Linear Polarization Resistance, is the only corrosion monitoring method that allows corrosion rates to be measured directly, in real time. Although limited to electrolytically conducting liquids, the response time and data quality of this technique make it clearly superior, where applicable, to all other forms of corrosion monitoring.
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Electronic Resistance Store
MEMS5
Mezzanine MEMS5 is designed to reproduce the values of resistance to direct current through five channels independent and galvanically isolated from each other and from the case.
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Digital Insulation Resistance Tester (CE)
MIS-D
MULTI MEASURING INSTRUMENTS Co., Ltd.
*The big digital and bar graph LCD display with back light enabled easy observation. Especially useful when working in dark place.*Hand free and continuous measurements with custom made switch.*Safe design with built in automatic discharging function for any capacitors present in the circuit.*The voltage in the circuit or capacitor can be checked by warning lamp for safe insulation measurements.*Data hold and auto power off function.*Compact, light weight and heavy duty rugged case.
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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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Insulation Resistance Testers
Are designed to help prevent hazards such as electric shock and short-circuits caused when the insulation in electrical devices, parts, and equipment used in industrial plants, buildings, and other settings degrades over long periods of use.
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Zero Resistance Ammeters
Current sinks are electronic circuits which can sink electric power in a controlled manner, thus acting as controlled loads. Our current sinks are designed as four - quadrant current sinks which can feed and sink currents in both polarities (also disregarding the polarity of the resulting voltage).
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Earth Resistance Testers
Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster.
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Ground Resistance Inspection Box
AllWin Instrument Science and Technology Co., Ltd.
Check the ground resistance tester each time prior to start work everyday morning and do some relevant records.
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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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Hand Held Probe Type Eddy Current Sheet Resistance/resistivity Measurement Instrument
EC-80P (Portable)
*Auto-measurement start by probe head contacting to sample*3 measurement modes for wafer resistivity, bulk resistivity and sheet resistance*Easy set up to measurement condition by JOG dial*5 types of model for each measuring range*Resistivity probe can be changed by sample’s resistivity range
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Insulation Resistance Tester
250-1000V
Wuhan Fanke Transformer Manufacture Co., LTD
Professional Insulation Resistance Tester, 250-1000V
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Metal Foil Llow Resistance Chip Resistor
MFR (Metal foil)
*Low Resistance / TCR / EMF 9only FOR MnCu) / Inductance*Excellent long term stability*RoHS compliant and halogen free.*Lead free.* High precision current sensing and voltage division.
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Winding Resistance Meter 100Amps, 2 Channels
WR100-12R
Raytech Digital Winding Resistance meter WR100-12R is the enhanced version winding resistance system with a most advanced demagnetizing circuit as a rack version. It is designed for high degree of accuracy for the measurement of very low resistance of any inductive loads.
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Portable Winding Resistance Tester
1. Handheld winding resistance meter2. Conversion function for standard temperature resistance.3. 500 test data can be saved and download by flash disk.4. Temperature testing function.
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Insulation Resistance Measurement
MI15KVe
The MI-15KVe High-Voltage insulation tester is a truly portable device that allows the measurement of insulation resistances using test voltages up to 15kV.
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Ground Resistance Tester
Weshine Electric Manufacturing Co., Ltd
1.Soil resistivity tester supports 2, 3 and 4wire grounding resistance measurement. 2. 4digit large LCD display with white screen backlight, suitable for use in dimly lit places. 3. IP65 protection grade, good waterproof, compact and portable, supports multiple functional tests.
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Ground Resistance Clamp Meter
61-920
*Auto ranging*Auto power off*Hard case included*2-year warranty
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Resistance Bridges - AccuBridge® Line
Measurements International Ltd.
The Resistance Ratio Bridge from Measurements International is the next generation replacement. Measurements International is pleased to release the next generation room temperature Direct Current Comparator Resistance Ratio Bridge.
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Non-contact Inline Sheet Resistance Measurement Module For Flat Panel Display
NC-600
*Non-stop and non-contact sheet resistance measuring of thin film on glass runs through on conveyer*1 to 10 number of probe by sizes of glass is attachable*Glass collision prevention function*Continuous test data report to the host computer
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Transformer DC Winding Resistance Tester
HTZZ-50A / 246
Wuhan Huatian Electric Power Automation Co., Ltd.
Measurement transformer around the group and large power inductor dc resistance ideal equipment.
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Resistance Meter
MT8-4L
М-module МТ8-4Л is a mezzanine module designed to measure the resistance of resistive sensors using a four-wire measurement circuit in eight channels (eight-channel digitizer). М-module МТ8-4Л is installed on the carrier of mezzanines - module НМ-М and is connected to it via a local information highway. Up to four m-modules of various types can be installed on the NM-M module. The NM-M module, together with the m-modules installed on it, forms a VXI module of size C-1 and is used to create information measuring VXI systems.
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Electrometer / High Resistance Meter, 0.01fA, Battery
B2987B
The B2987B Electrometer/High Resistance Meter is the world’s only graphical electrometer that allows you to confidently measure small currents with 0.01 fA (0.01 x 10-15 A) resolution and large resistances of up to 10 PΩ (10 x 1015 Ω). In addition, battery operation eliminates AC line noise from your critical measurements.
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Resistance Measuring Device According to DIN EN 61557-4 (VDE 0413-4)
PeakTech Prüf- und Messtechnik GmbH
An extremely robust milliohm measuring device in a splash-proof hard case for professional field service use, e.g. for resistance measurement on motor coils, generators and transformers or for continuity testing on ring bus systems in industrial plants.
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Contact Resistance Test Sets
When a high current passes through a pair of mechanically independent metallic contacts, the resistance must be as low as possible. An increase in resistance can lead to additional degradation, as I2R losses will cause local heating of the contact surfaces. Our range of micro-ohmmeters measure both steady state and dynamic low resistance values. With test currents up to 600A available, logging and trending are also available on some models. We ensure that our Contact Resistance tests sets are portable, making them suitable for field measurements. Our contact resistance testers’ portability makes them ideal for a vast range of resistance testing across the entire LV, MV HV and EHV spectrum.
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Clamp Type Earth Resistance Tester
ETCR2000 / 730
Wuhan Huatian Electric Power Automation Co., Ltd.
Widely used in electric power, telecommunications, meteorology, oil fields, construction and industrial electrical equipment, such as grounding resistance measurement, circuit resistance measurement.
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Digital Surface Resistance Test Kit
PAS-853BRM
- Surface Resistance Kit from 0.01 ohm to 9.99x1012 ohms- Nominal Full Range Tolerance Averages <±5%- Fully Automatic Resistance Range, Test Voltage and Electrification Period control- Determines if a surface is Dissipative, Conductive, or Insulative- Measures resistance point-to-point(Rtt) and point-to-ground (Rtg)- Measures resistance of Static Control Floors, ESD Work Surfaces and Packaging Material- Conforms to all ESD Association Standards for Resistive Characterization- Includes 2 each Conductive Rubber Electrodes- Packaged in a hard shell Carrying Case- Certificate of Calibration Traceable to NIST included
