Zero Resistance Ammeters
measure galvanic current and resistance. Also known as: ZRA
See Also: Ammeters, Nanoammeters, Picoammeters
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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
Contact Resistance Tester
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Weshine Electric Manufacturing Co., Ltd
The loop resistance tester is used to test the conductive loop resistance of various switchgear, and the test current shall not be less than 100A. Due to the oxidation of the contact surface, poor contact tightening and other reasons, the contact resistance increases. When a large current flows, the temperature of the contact point increases, which further accelerates the oxidation of the contact surface and further increases the contact resistance.
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Product
Portable Zero Air System
Model 751H
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Teledyne Advanced Pollution Instrumentation
The Model 751H is a portable, fully self-contained source of high purity zero air for dilution calibrators. It is ideal for use with sensitive analyzers in ambient background and trace level applications. Packaged in a wheeled, high density plastic case, the Model 751H provides ultra-high purity output with a warm-up time of 30 minutes.
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Product
Zero Bias Schottky Detectors
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Fairview Microwave’s line of coaxial packaged zero bias Schottky detectors feature matched inputs for excellent VSWR, voltage sensitivity levels that range from 100 to 500 mV/mW for small signal detection, negative video output polarity, and can withstand maximum input power levels up to +20 dBm CW. Operating temperature range covers 0°C to +90°C and storage temperature of -65°C to +125°C. These zero bias Schottky detectors utilize compact cylindrical package outlines that are made of passivated stainless steel and offer a variety of popular input/output SMA and BNC connector configurations that make them ideal for use with precision test and measurement, instrumentation, and subsystems assemblies. Numerous applications include power measurement, leveling pulsed signal sources, AM noise measurements, radar or missile guidance systems, monitoring system level performance, and pulsed RF measurements.
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Product
Resistivity Meter
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Resistivity meterRSM-500 is used for measuring the volume resistivity of transformer oil and other electrical insulating liquids. • Auto ranged from 109 to 1015 ohm cm • Test voltages: internally generated +500V DC
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Product
Tunnel Diode Zero Bias Detectors
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A tunnel diode zero-bias detector is a device that converts microwave and millimeter-wave radio frequency (RF) signals into a DC voltage without requiring an external power source
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Product
Zero Chamber
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The Mu-Metall-Chamber shields hall probes against the earth's field and therefore allows "zeroing" protected from external effects.
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Product
Insulation Resistance Meter
SME1202
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Scientific Mes-Technik Private Ltd
General purpose insulation resistance meterAnalog indicator, High measurement speedTest voltage range: 10 V to 1000 VSuitable for Testing capacitor insulation testEasy operation
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Product
Earth Resistance & Resistivity Meter (for 50Hz mains)
MRU-120
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* earth resistance measurment with 3-pole,4-pole method, * earth resistance measurement without disconnecting measured earths (using clamp), * continuity of equipotential bondings and protecting conductors * two clamps earth resistance measurement without auxiliary test probs, * earth resistivity measurement,
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Product
Insulation Resistance Tester
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Aarohi Embedded Systems Pvt. Ltd
Aarohi make device enable us to measure electrical leakage in wire, results are very reliable as we shall be passing electric current through device while we are testing. The equipment basically uses for verifying the electrical insulation level of any device such as motors, cables, generators, windings, etc.
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Product
Contact Resistance Meter
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4.5 Digits LED display Range : 0 TO 1999.9 W to 199.99mW High Measurement Current : 100A DC max. True Four wire resistance measuring technique eliminates lead resistance errors inherent in 2 wire systems. Fully protected against overloads. Proven design
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Product
Electronic Resistance Store
MPS2
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The MPS2 module is a mezzanine module designed to form DC resistance in two channels with a four-wire measurement circuit. MPS2 is installed on the mezzanine carrier - the NMU module and is connected to it via a local information highway. Up to four mezzanines of various types can be installed on the NMU module. The NMU module together with the mezzanines installed on it forms a VXI module of the size C-1 and is used to create information measuring VXI systems.
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Product
4 Wire Earth Resistance & Resistivity Tester
4236 ER
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Standard Electric Works Co., Ltd
● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m.● Optical USB to RS-232 data transmission.● The stored data can be transferred to a PC.● 2 optical LEDs are built-in for data transfer.
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Product
Welding Resistance Tester
WRT
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The Welding Resistance Tester is used in battery assembly lines to detect defective intercell connections. It is equipped with a 5-channel test head for car and truck batteries. It features 1-20 O DC resistance ranges and a multi-line LC display for OCV, CCV, and DCR measurements for 5 intercell connections.
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Product
Earth resistance meters
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The PROMAX earth meters guarantee the proper operation of industrial and home electrical circuits.
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Product
Resister
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Our ARFC type Film Flat Chip Resistor & ARFCN type Thin Film Chip Resistor Network are high precision Metal Film resistors produced with high purity. Alumina Substrate and Ni-Cr-Si Resistor Film based on high precision Etching Technology. The electrode Terminals are made with Spattering Film and Nickel-Solder Plating, and solderability is very good in all Flow, Reflow and Dipping type soldering for Hybrid IC, SMT, PCB etc. Our ARFC Metal Film Resistor & ARFCN type Thin Film Chip Resistor are being produced under the thorough quality control, and are being used widely in high precision and high reliability electronics circuit such as Measuring Instrument, Medical Instruments, Communication and other Industrial Instruments.
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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
Earth Resistance Tester
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PeakTech Prüf- und Messtechnik GmbH
A Rugged sealed digital earth tester is built with all the protection you need for outdoor use. The instrument is suitable for the testing of single earth electrodes such as lightning conductors and other small earthing systems according to VDE 0413. The resistance of conductors such as continuity and conduit coupling joints can also be measured. Two-terminal operation measurement, which reduces the accuracy, can also be done by shorting P and C terminals. It has an advanced circuit design that permits the instrument to operate with the minimum influence from earth voltage and earth resistance of the auxiliary spikes.
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Product
Electronic Resistance Store
MEMS2-4L
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The mezzanine serves as an electronic store of resistance to direct current, the value of which is set by software, through two isolated channels.
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Product
Resistance Wire Bonding
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Electronic Systems of Wisconsin, Inc.
ESW's Resistance Wire Bonding System comes equipped with the latest features the market has to offer. Our system is capable of bonding armatures, stators or coils. The on-screen display in our bonder makes it easy to read, track, and record your bonding data. If desired, ESW offers complete electrical testing of the part prior to the bonding sequence as well. This ensures only good parts that have been electrically tested are processed through bonding. It is our duty to make sure you never have to worry about losing important information again. Our Sales and Engineering staff will work closely with you to make sure that a bonding systems will meet your needs. See the slideshow below to see some of our Resistance Wire Bonding Testers.
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Product
(DCC) Resistance Bridges
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Direct Current Comparator (DCC) Resistance Bridges. Unique innovations in 6622A design and modularity means users no longer have to decide what Bridge satisfies current requirements as well as future requirements. Optional modules allow for normal, high ohms, and low ohms measurements without having to purchase multiple bridges as per competitive products.
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Product
Resistance Measuring Equipment
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measure coil winding resistance of motors, transformers, etc, under energizing AC voltage. The direct reading is possible with 4-wire measurement method, and temperature of specimens is immediately calculated from measured resistance values and displayed. Ambient temperature is automatically taken in by connecting an option sensor Model DAC-PT-100.
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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.
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Product
Digital Clamp-on AMmeter / Multimeter
HH2099
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3-1/2 digil Large LCD display 2000 count with symbolic signs. CAT II 600V rated. Basic accuracy 0.5%. Auto Ranging High Voltage test up to 600V DC and 600V AC. Higher Current test up to 1000A AC/DC. Measure Resistance up to 20MΩ
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Product
Contacts Resistance Tester
JYK II
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•Instrument IPC architecture for domestic production of all models of metal contacts SF6 switchgear, GIS combination of electrical, vacuum switch, oil switch and column switches, contacts and so on.•Sensor: Acceleration speed sensor, rotation speed sensor, linear stroke sensorinstallation is very easy and simple.•Trigger: The trigger, external trigger, the sensor is triggered. Sensor can trigger the circuit breaker manually switching characteristic test, such as a manual column pole division switch.
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Product
Low Resistance Ohm Meter
6237 DLRO
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Standard Electric Works Co., Ltd
The 6237 DLRO is a "full feature professional instrument". The RUGGED and "O-RING" SEALED Digital LowResistance Ohm and Contact Meter is specially designed to measure very low resistance accurately and give the result directly on the large and clear LCD. The 6237 DLRO makes measurements by passing a constant current through the device under test (generally a conductor, contact or low resistance) and measuring the voltage across it. The Low Resistance is then calculated by ohm's law. This superb instrument is powered by rechargeable battery. It is supplied complete with instruction manual. This ensure that every product is not just fully functional and calibrated after the assembly lines, but also within tight specifications tolerances before leaving the strict quality control of Standard Electric Works.
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Product
Battery Resistance Tester
FBR-6100NT
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Fuzhou Fuguang Electronics Co., Ltd.
FBR-6100NT Battery Resistance Tester is a new generation handheld battery tester of FUGUANG™, which can quickly,intuitively and conveniently judge the deterioration of batteries (lead-acid batteries, lithium iron phosphate batteries and nickel-cadmium batteries, etc.). It has the characteristics of high accuracy, repeat consistency and anti-interference. It is an ideal tool for rapid battery daily check.
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Product
Ground Earth Resistance Tester
2678X
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Shenzhen Chuangxin Instruments Co., Ltd.
Ground Earth Resistance Tester verifies the integrity (continuity) of the protective bonding of the equipment (Class I equipment) designed to secure safety through the basic insulation and protective earthing. It is also called earth (ground) bonding test. If the continuity of the protective bonding is confirmed, we can conclude that the equipment has the requirements for preventing electric shock even if the insulation between the primary circuit and the accessible conductive section fails and a fault current flows through the distribution system.
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Product
Digital Clamp-on DC/AC AMmeter / Multimeter
HH2008
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3-3/4 digil Large LCD display 4000 count with symbolic signs. Auto Ranging High Voltage test up to 400V DC and 400V AC. Higher Current test up to 400A AC/DC. Continuity check. DC A zero adjust function. Low Battery Indication. Data Hold and Auto-Off Function
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Product
Transformer Winding Resistance Tester
KRI 9310
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KRI 9310 adopt Kelvin four-wire testing method, which effectively eliminates the influence of the resistance of the test line on the test results. It can be able to increases the current to 10A by which can test extremely low resistance to 0.01 Ω(such as amorphous alloy, Copper-nickel, nickel-chromium-iron, iron-chromium-aluminum etc). For the tested objects with high resistance value (CT/PT), the instrument can extend the range to 20 kΩ，so the wide resistance test range enables KRI9310 can cover 80% of the power transformer products on the market and switchgear bus-bar cable etc. The power of the tester use the built-in rechargeable lithium battery that can test hundreds of transformers by one time charging.
