Zero Resistance Ammeters
measure galvanic current and resistance. Also known as: ZRA
See Also: Ammeters, Nanoammeters, Picoammeters
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Product
Zero Gauss Chamber
IDR-800
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Integrity Design and Reseach Corp.
Two cylindrical tubes are equal in length (12"), one is inside the other, both of them are closed at one end. At the other end, the inner tube is open (Radius=1").The cylindrical tubes are made from high permeability material.The magnetic field inside the inner tube is almost annulled.Optional use with the Geomagnetometer IDR-321 to provide a zero gauss (magnetic field-free environment) reference, enabling you to take absolute readings of the ambient magnetic field (the Earth's magnetic field is typically around 500 mG)
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Product
Resistance System Kit
PMK-151
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The PMK-151 Basic Measurement Kit has all the functionality of the PMK-152, but adds computer downloading capabilities. It contains all the instruments you need to take a variety of resistance measurements.The PMK-151 includes Prostat's PRS-801 Resistance Set with modified 5 pound conductive rubber electrodes, the PRS-801 wide range resistance meter, and Prostat PRS-801 Connectivity software for computer data downloading. You can take measurements at 10 and 100 volts with accuracy within ±5%.
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Product
Insulation Resistance Meter
SME1202
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Scientific Mes-Technik Private Ltd
General purpose insulation resistance meter Analog indicator, High measurement speed Test voltage range: 10 V to 1000 V Suitable for Testing capacitor insulation test Easy operation
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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
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
Protable AC/DC Ammeter
ST-2000 A
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Standard Electric Works Co., Ltd
● Principle : Moving coil type● Accuracy : ± 0.5% F.S.● Scale Length : Approx. 135mm(5-3/8”)● Weight : Approx. 1.7kg● Dimension :196(L) x 170(W) x 87(D)mm● Case Material : Bakelite with glass window
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Product
Earth Resistance Tester
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Weshine Electric Manufacturing Co., Ltd
specially designed and manufactured for the field measurement of ground resistance, adopts digital and micro-processing technology, 3 wire or 2 wire method to measure ground resistance, with unique calibration function for wire resistance, anti-interference ability and environmental adaptability, to ensure the long-term measurement of high precision, high stability and reliability; The instrument out shell adopts waterproof protection case, anti-collision, anti-fall, waterproof (protection grade IP65),which is strong, safe and durable, the instrument is also equipped with large capacity rechargeable lithium battery pack, especially suitable for outdoor construction site to use.
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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
Winding Resistance Meter
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* Selectable four resistance ranges.* 4 1/2 digits LED display* High measurement Current (10A)* True four Technique elimanates lead resistance errors Systems* Fully protected against overloads* Proven design* Computer connectivity through RS 232
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Product
Zero Touch WAF
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Unpatched software is still considered a dangerous gateway for cybercriminals today. The use of global exploits is not decreasing; the numbers keep increasing. To avoid relying on software support, you should rely on our Zero Touch WAF, which detects and stops such unwanted events.
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Product
Earth Resistance Testers
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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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Product
DC Resistance Tester
GDZRS-20A
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GDZRS series Winding DC resistance tester is optimal designed for measuring three phase winding DC resistance of big capacity transformer. It can test three phase winding DC resistances at the same time
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Product
Zero Cogging Brushless DC Motors
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CAES offers a wide range of cog-free brushless DC motors for aerospace applications.
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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
Battery Internal Resistance Tester
FST-7000
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Foresight Electronics Co., Ltd.
Battery Conductance Tester is a portable digital measurement device for testing lead acid stationary batteries health and aging condition precisely within seconds. With the help of this device either single cells / blocks or large, multi group battery banks can be measured within a short time and the precisely measured data are processed and reported by given analyzer software automatically.
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Product
Surface Resistivity Meter
395
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The ACL 395 handheld meter features sophisticated circuitry that allows for the same advantages as megohmmeters, but at an economical price. Utilizing color-coded zones, the LED scale is easy to read and evaluate. Half decades indicate where the measurement value falls within the decade giving a closer indication to actual value. Unlike other pocket-sized meters, the ACL 395 features rubber rails which provide the best possible contact.
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Product
Current, Voltage, Resistance
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Solutions for the testing and calibration of current, voltage and resistance are used in industry (laboratories, production, workshops), in calibration service companies and in quality assurance. These instruments are portable and mobile and are particularly notable for their low measurement uncertainty and high scope of operation.
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Product
Transformer Winding Resistance Meters
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Vanguard Instruments Company, Inc.
The TRM-40 is Vanguard Instruments’ third generation transformer winding resistance meter. The TRM-40 is designed specifically to measure DC resistance values of transformer windings, rotating machine windings, or any dc resistance of an inductive device.
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Product
Explosion Resistant Oven
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All standard Gruenberg Ovens can be modified to be explosion-resistant. Explosion-resistant ovens incorporate design features that allow the oven to be operated within a volatile atmosphere defined as Class I, Group D, or Class II, Group E, F or G. Ideal for heating and drying processes.
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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
Advanced Earth Resistance Testers
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Precision Mastech Enterprises Co.
Specialized, high-precision instruments used to measure the efficiency of grounding systems (earthing) in industrial, commercial, and residential settings.
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Product
Low Resistance Or Continuity Testing
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From Megger, these highly accurate, easy to operate instruments 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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Product
PCB Track Resistance Calculator
TRC100
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The TRC100 is a handy free utility which lets you enter track shape and length, along with material type, the TRC100 will give you an answer in Ohms for the trace you describe. TRC100 is useful if you are working on fine geometries, and need to take care about series loss. You may also find TRC100 useful in power supply applications.
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Product
Resistance System - Digital Surface Resistance Meter up to 200 TeraOhms
PRS-801B
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- Accurate Wide Range Resistance Measurements: 0.01 Ω to 2.00x1014 Ω- Accuracy of ±2% from 1.00 Ω to 9.99x1010Ω- Variable Voltage 0.1 mv to 9.99 V for low resistance measurements- Constant Test voltages 10V and 100V meeting ANSI/ESD S20.20- Auto Resistance Range Control- Auto Test Voltage Control- Uses a Rechargeable Li-ion Battery Pack- Takes Approximately 8,000 Measurements on a Single Charge (480 hours typical)- 999 Data Set Memory- Download to Excel® in Batches or Individual Measurements with Prostat Connect 2.0- Uses Micro USB Cable for Charging and Downloading Data- Charges in 2 Hours- 2-year Limited Warranty on Main Instrument
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Product
Highly Inductive Resistance Meter
MR 8050
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With the MR 8050 resistances highly inductive Resistance Meters windings of transformers, motors and reactors can be measured. (range 100 µΩ with 0.01µΩ resolution up to 6 kΩ). The performance of the test objects can be up to 800 MVA or even more. The magnetic loading of a transformer is performed quickly using a high loading voltage (60V). This is important for time critical measurements (cooling curves). The unloading of the transformers core is very fast, very safe, as the energy is total destroyed in the MR 8050.
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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
Resistivity Meters
SSR-MP-ATS
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Integrated Geo Instruments & Services Private Limited
The instrument design incorporates several innovative features and advanced techniques of digital circuitry to make it a reliable Geophysical tool providing high quality data useful for mineral and groundwater exploration and any other Geophysical applications. The SSR-MP-ATS sends the entire current into the ground without wasting power for constant current generation thus increasing the signal strength to probe deeper layers.
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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
Industrial Resistivity Meter
HE-480R(W)
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The HE-480R industrial resistivity meter features the high-precision temperature compensation function.Its high-performance temperature compensation makes it ideal for sequential monitoring of ultra-pure water used in manufacturing processes in the semiconductor field, and many other fields, including the areas of electrical goods, foods and medicines. The measurement range is from 0 to 100.0 MΩ・cm.
