Ground Resistance Clamps
See Also: Ground Resistance, Ground Resistance Testers
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Weather Resistant Surge Protector for RS485 Control & 12VDC Power Lines
SP-RS485-12V-O
Ideal for applications such as video surveillance cameras and access control. Protects sensors running on 22 AWG 2-wire sensor cables or 12VDC power lines against the effects of electrostatic discharge, faulty wiring and lightning. RS485 protection: Stage 1 clamping voltage: ±90V; Stage 2 resistance: 3.3 Ohms; Stage 3 clamping voltage: ±7.5V. 12VDC power lines protection: Stage 1 clamping voltage: ±90V; Stage 2 current rating: 3A; Stage 3: 12V TVS (transient voltage suppression) diode. Screw terminal pairs for RS485 and 12VDC power lines protection. Will also protect two single ended data, analog or control lines. Impact and weather resistant enclosure with locking hinged cover.
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3 Wire (Analogue) Earth Resistance Tester
1105 ER
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.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration performed with supplied test leads.
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Clamp Meters
Shenzhen UYIGAO Electronic Technology Co., Ltd
Combine meter and current probe into integrated instrument.
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Large Range Resistivity Tester
HS-SFRT
HS-SFRT silicon filament resistivity tester is an advanced silicon cylinder resistivity tester, which can measure silicon filament, silicon phosphorus ingot, silicon boron ingot, seed crystal and so on. As it eliminates Peltier effect, Seebeck effect, minority carrier inject effect and so on, So it improve the accuracy greatly. The testing resistivity ranges from 0.0005Ω·cm to 50000Ω·cm. It is accurate, stable and convenient and a good friend to Siemens polysilicon material producer, SH4 polysilicon material producer, UMG polysilicon material producer and so on.
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Clamp type AC Current Sensor／for Leakage Current Measurements(ZCT Series)
ZCT-140S
MULTI MEASURING INSTRUMENTS Co., Ltd.
*Leakage current measurements of feeder*Ultra compact size*AC 1mA～300A
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True RMS Clamp Meter
DL489
UEi Test & Measurement Instruments
The DL489 True RMS Clamp meter offers contractors better features, functions and safety in a commemorative edition housing. A complete meter with the precision of True RMS and the functionality your job requires. Featuring 600A AC/DC, 750V AC and 1000V DC, resistance, capacitance, diode test, continuity, microamps and LRA Inrush. The DL489 is the complete meter your job requires.
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Resistive Load Banks
R Series
Load banks are devices which contain resistive, inductive and/or capacitive loads, apply the load to an electrical power source and dissipate the power of the electrical source. Portable and stationary resistive load banks incorporate as low as 1 kW load step increments for testing small to large generating sets. The fine control resolution ensures accurate load control and power factor targeting adjustments.
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Decade Box, Calibrated W/Data, Resistance, 7, 1ohm to 11.11111Mohm, 1 %
72-7270 CAL D
The 72-7270 CAL D from Tenma is a resistance decade box. It is ideal for service, prototype and experimental use. This useful tool may be set resistance value from 1 to 11,111,110 ohm in one ohm increments. The decade accuracy is ±1% resistors used throughout. It has weight of 320g/0.70lb and dimension 14.7cm × 11.7cm × 5.5cm (5.79" × 4.61" × 2.16"). It is typically used in general applications, troubleshooting, maintenance, education and vocational training, production line testing, radio and TV services, working standards, research design & develop, physics laboratory work.
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Electrical Resistivity Instrumentation
The resistivity survey method is more than 100 years old and is one of the most commonly used geophysical exploration methods (Reynolds, 1997). It has been used to image targets from the millimeter scale to structures with dimensions of kilometers (Linderholm et al., 2008; Storz et al., 2000).
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VOC FIXTURE OVER CLAMP ASSEMBLY'S
Test-X VOC Series overclamps are used for testing bare or loaded printed circuit boards with open vias and to minimize board flex.The VOC Series overclamp comes with adjustable delrin pressure fingers, anti-rotating hex nuts, hinge and latching assemblies, mounting instructions and hardware.The VOC Series will accomodate fixtures with dress frames or newer style fixtures using full-size top plates.
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Resistive & Capacitive, Inductive AC Load Bank
RLC
Inductive & capacitive load banks are reactive only and must be used in combination with a resistive load bank to provide the desired load profile to test a power system. Reactive loads banks can provide either a leading power factor (Capacitive) or lagging power factor (Inductive).
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Clamp Meter, Auto, True RMS, 400 A AC, 600 V AC, 600 V DC, 28 mm Jaw Opening Max.
72-7226 CAL
The 72-7226 CAL from Tenma is a digital clamp meter. This stable, safe and reliable digital clamp multimeter is designed with large scale integrated circuits and A/D converter as the core as well as overload protection and novel structure which make them a superb tool for electricians. It measures AC/DC voltage, AC/DC current, frequency, duty cycle, resistance, diodes and continuity and also includes data hold, sleep mode and relative mode features. The resistance measurement range from 400 ohm/4kohm/40Kohm/400Kohm/4Mohm/40Mohm (±(1%+2)), frequency measurement range from 10Hz to 10MHz (±(0.1%+3) accuracy). It is 3 3/4 digit digital clamp meter with precise operation, fashionable structure and highly reliable measuring instrument. The meter uses large scale of integrated circuit with double integrated A/D converter as its core and has full range overload protection. It complies with IEC61010, pollution degree 2, overvoltage category (CAT II 600V, CAT III 300V) and double insulation.
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Loading Rheostats (Resistive Load)
Supreme Instrument Laboratories
Loading Rheostat is a device specially designed to meet the requirements of Engineering Laboratories, Electrical Test Rooms and Industries. It is used for loading transformers, power generators, supply mains etc. neatly and efficiently. It can also be used advantageously for regulating current and adjusting voltage besides its application for calibrating meters and thus eliminating the need for graded rheostats.
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Clamp type AC Current Sensor／for Leakage Current Measurements(ZCT Series)
ZCT-1100
MULTI MEASURING INSTRUMENTS Co., Ltd.
*Leakage current measurements of main cable*Ultra big CT window*AC 1mA～30A : 3080turns*AC 30A～3000A : 2000turns
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2D Geophysical Inversion Software for Resistivity and Induced Polarization Data
RES2DINV
RES2DINV software is designed to interpolate and interpret field data of electrical geophysical prospecting (2D sounding) of electrical resistivity (conductivity) and induced polarization. The inversion of the resistivity and IP data is conducted by least-square method involving finite-element and finite-difference methods. The software can handle data from any electrode array, including Wenner (a, b, g), dipole-dipole, inline pole-dipole, pole-pole, Wenner-Schlumberger, equatorial pole-dipole and non-conventional arrays. Interpolate data from land, under water, and cross-borehole surveys. Easy data conversion from the most popular geophysical instruments including ABEM Lund, Syskal, AGI, PASI, IRIS, SCITREX, etc.
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5mA High Accuracy Ground Fault Detector
HA-GFD
Our HA-GFD Current Probe is our most sensitive current probe, measuring down to 5 milliamps. Ideal for measuring leakage current and ground faults. Dual range allows measuring up to 200 amps in high accuracy.
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Contact Resistance Meter
CRM 200B+
CRM directly measures micro-ohm values at 200A DC under live EHV switchyard conditions quickly & accurately. It is specially designed to reliably measure micro-ohm contact resistances of Circuit Breakers, Isolators, Busbar joints, earth switch joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards up-to 765 kV. SCOPE’s ability to make electronics work in such environment enables CRM to measure mili-volts signal in the presence of kilo-volts noise.
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AC/DC Withstanding Voltage& Resistance Tester
TH9201
Changzhou Tonghui Electronic Co., Ltd.
TH9201 AC/DC withstanding voltage & insulation tester is a kind of Hipot Tester. Due to simple and compact structure, mature technique, brand new structure and operating interface, the operation becomes more convenient, and more practical functions are included as well. TH9201S can be widely applied in transformer, device, component especially for winding safety inspection.Withstanding voltage test
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Winding Resistance Meters
The NMC 'TDR' is a high precision, new generation, light weight large output current and micro-processor controlled tester. This replaces old DC wheat stone bridge and double arm bridge for measurement of DC resistance. 'TDR' adopts new advanced test current power supply technology, four terminal measurement, digital display of resistance value and test current. 'TDR' is powered by 220V AC mains single phase supply. The measurements are accurate as the test current is highly stable. High automation is achieved with automatic discharge warning.
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High Insulation Digital Clamp Tester
HCL-5000KN+
MULTI MEASURING INSTRUMENTS Co., Ltd.
・Wide AC current measurements for 0.01A～500A.・Easy operation, Push to Open and Pull to Disconnect Mechanism.・Safe AC current measurements for high voltage circuit (AC80 to 7000V).・Auto power off function and Splash proof structure.
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Handheld Digital Multimeter, 4.5 Digit, Water and Dust Resistant
U1273A
Organic LED (OLED) display for high brightness level and wider viewing angles (up to 160 degrees)Features set that meet traditional industrial requirements and improve productivity and safety Improved accuracy and resolution to meet traditional industrial requirements (30,000 counts resolution with 0.6% for ACV accuracy)Intelligent features to improve productivity and safety (LPF, ZLOW, Smart )Better grip Visual and audible continuity indication in noisy environments Easy access to fuse for simplified maintenance Easy connectivity to PC and internal memory (up to 10,000) for data logging Large rotary switch and buttons that are easy to operate Dust and water resistant casing (IP 54 compliant)Compatible with U1177A/U1117A IR-Bluetooth adapter for remote monitoring & datalogging Altitude: 3000 meters
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Resistivity Standard
Resistivity Standards are bare silicon wafers available in 3 in, 8 in and 12 in sizes. The silicon is p-type (Boron) doped to nominal resistivity values, from 0.002 ohm.cm to 75 ohm.cm as available on the 3" model.
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12-bit, 4 Analog Voltage Outputs With Separate Grounds, Optically Isolated 500 V
APCI-3504
4 analog output voltage channels with 500V optical isolation, 12-bit resolution, each output has its own ground line.
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Insulation Resistance Test Instrument
2681
Shenzhen Chuangxin Instruments Co., Ltd.
Insulation Resistance Test Instrument
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Easy and Non-Destructive Airflow Resistance Measurements of Materials and Parts
CARE+
The control of airflow resistance in the production of materials and components is a growing requirement in the automotive industry. CARE+ (Concentric Airflow Resistance Evaluator) is an apparatus designed to measure the airflow resistance of materials and parts. Measuring non-destructively, CARE+ is particularly applicable in the quality control of parts and materials.
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4 2/3 Digital Resistance Meter (1/32 DIN)
CS3-RS
CS3-RS Resistance Indicator has been designed with high accuracy, display, control, remote communication.A compact body design for small equipment, laboratory instrument, and others.Also are available with relay output, analog output, RS485 Modbus RTU communication to cover a wide range of applications.
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Sensor Clamps
ULP-CP
Use a single clamp for the Sensor with a single #10-ANSI screw for one-hole fixing.
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Digital Earth Resistance Tester
Wuhan Fanke Transformer Manufacture Co., LTD
Digital Earth Resistance Tester
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DC Air Based Resistance
DC Air Based Resistance Standards are designed for high accuracy resistance calibration in air.
