Contact Resistance
opposition to the flow of heat or electricity within a connection.
-
product
Earth Contact Resistance Tester
SCR ELEKTRONIKS have developed an equipment namely Earth Contact Resistance Tester to test the appliance. To ensure the safety of operator it is essential that the Earth path (connection) should offer minimum impedance to by pass short circuit Current to Earth. This is ensured by measuring Resistance of the Earth path by passing heavy Current say 25 A. The Earth Contact Resistance Tester essentially comprises of a Variable Current source with digital Ammeter to measure the Current supplied. The Voltage drop across the Earth path is measured with a digital Voltmeter. Optionally for a particular Current (25 A) the meter can be calibrated in terms of Resistance. A timer is provided to switch off the Current after the Set Time.
-
product
Auto Contact Resistance Tester
KVHL
KV Hipot Power Test Equipment Co.,Ltd
KVHL Auto contact Resistance Tester with advanced large power switch power technology ang electric circuit is a special measurement instrument for testing the contact resistance of high/low switchs, cable wires and welds.
-
product
Contact Resistance Tester
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.
-
product
Contact Resistance Meter
The Motwane Manufacturing Company
High contact resistance values are a definite cause of the failure or less than optimal performance in a wide variety of electrical devices. Contact resistance testing is therefore most critical to measure the resistance of electrical connections in switching devices, circuit breakers, isolators, busbars, relays, joints, connectors, cables, and cable joints. The device helps to find destructive or corroded contacts and hence protects substation devices from damage.
-
product
Contact Resistance Measurement System
CRMS
The CRMS is a system designed to allow any user to measure the resistance of each set of relay contacts associated with the relay under test. The test system consists of a CONTACT RESISTANCE MEASUREMENT UNIT (CRMU), a MULTIPLE RELAY TEST RACK, as well as an interconnect CABLE ASSEMBLY. Either DC or AC energy to pick and drop relay coils under test for all contact measurements is supplied from the CRMU and easily interfaces with the Multiple Relay Test Rack. For additional and more thorough testing of relays an external relay tester can be interfaced to the Multiple Relay Test Rack to supply energy to the relay coil. It is recommended that the UTE Relay Tester With Timer/Counter (UTE Product # 15967-00) be utilized so the operator can take full advantage of the unique features it offers
-
product
Contact Resistance Meter
CRM 100C
CRM 100C directly measures resistance values with DC current injection under live switchyard conditions.The CRM 100C is specially designed to reliably measure contact resistance of Circuit Breakers, Isolators, Bus Bar joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards. It can also be used for testing cables, graphite bars etc.
-
product
Contact Resistance Meter
CRM 100B+
SCOPE introduces its next generation of hugely popular CRM series contact resistance meter, CRM100B+ in all new super light avatar, based on cutting edge ultra capacitor technology. CRM incorporates some state of the art hardware & smart software features making it a must have tool for testing & maintenance engineers.
-
-
product
Contact Resistance Measurement Kit
LRM-10
The LRM-10 is a 10A micro-ohmmeter kit designed to measure low resistance for electrical interconnections integrity testing. The LRM-10 has a range from 0.01µΩ to 200Ω. It comes with heavy duty four points probes and it is compatible with a great variety of optional accessories.
-
product
UNI-T Series
Weshine Electric Manufacturing Co., Ltd
mainly used to measure the wire resistance of cables, the contact resistance ofswitches, connectors, relays, the resistance of coils, motors, transformer windings, and equipment enclosures, lightning protection belts, ground beams, structures, cabinets, steel bars, Test the connection resistance between metal components of water pipes, windows, guardrails, radiators, assembly lines, etc. It is widely used in telecommunications, electric power, meteorology, computer rooms, oil fields, power distribution lines, tower transmission lines, gas stations, factory grounding grids, lightning rods, etc.
-
product
Signal, Contact, ITA, TriPaddle, 10 Amp, 14 AWG
610110147
Signal, Contact, ITA, TriPaddle, 10 Amp, 14 AWGThis contact primarily used in CASS applications.Operating Voltage & Current 10 Amps Max. Continuous (14 AWG)Contact Resistance 4 mOhms Max.Measured at 50 mV @ 100 mAContact Body BrassContact Plating 50µ” Au over 100µ” NiContact Termination Crimp/SolderCycle Life 20,000 CyclesRoHS Directive 2011/65/EU Status CompliantREACH Article 33 Status CompliantECHA Article 59 of Reach Regulation Compliant
-
product
PXI Dual 16 x 8 Matrix 1 Pole Screened
40-532-021-S
This high-density reed relay matrix with 256 crosspoints. This model is configured as a Dual 16x8, model 40-531 is configured as a 32x8. Both modules are available in a choice of reed relay formats: 1-pole, 2-pole and 1-Pole screened. The screened version can be used for switching coaxial signals up to 50MHz. Typical applications include signal routing in Functional ATE and data acquisition systems. These PXI matrix modules are constructed using high reliability Sputtered Ruthenium Reed Relays, offering 109 operations to give maximum switching confidence with long life and stable contact resistance.
-
product
Kelvin Probe Set
11059A
Reduce ground-related errors and contact resistance through gold-plated flat tweezers and special gripping surfaces
-
product
Test System for Detecting Exact PCB Short Circuit Locations
QT25
Qmax Test Technologies Pvt. Ltd.
QT25 employs a unique method to detect exact PCB shorts circuit locations and pin down the shorted components and tracks. It is designed in such a manner that it precisely detects exact short circuit locations across VCC - GND or a shorted component connected across a Bus or hair-line shorts between PCB tracks, Which is highly impossible to detect using conventional tools especially when they are connected parallel in circuit. It can also be used in measuring the contact resistance of switches and relays in its milli-ohm mode as a value add.
-
product
Circuit Breaker Contact Resistance Meters
Vanguard Instruments Company, Inc.
The Vanguard Auto-Ohm 10 is a 10-ampere battery powered micro-ohmmeter designed for low-resistance-measuring applications such as the measurement of resistance in circuit breaker contacts, bushing contact joints, and welding joints. The unit is powered by four 3400mAh, 3.7Vdc Li-Ion rechargeable batteries. With these high capacity batteries, up to 2,900 tests per charge (10A/2 second duration) can be performed in the field.
-
product
Doide Testers
Specialized test for Axial, SMD and 2-pin package type.Electrical Testing: Forward：VF Reverse：VZ、DVZ、IR、ACIR、DIRFour-wire measurement and contact resistance in case of deviation.Manual test or conjunction with automatic machine.
-
product
Dual 16x6 1-Pole High-Density PXI Matrix Module
40-520-303
The 40-520 family of high-density PXI matrices is available in 22 different configurations with up to 256 crosspoints. The choice of six bus widths (x16, x12, x8, x6, x4 and x2) enables competitively priced solutions using Pickering Electronics instrumentation quality reed relays. These relays offer very long life with good low-level switching performance and excellent contact resistance stability. Typical applications include signal routing in ATE and data acquisition systems.
-
product
PXI Single 32x8 Matrix, 2 Pole Switching
40-531-022
Model 40-531 very high density matrix modules are configured as a 32x8, while the 40-532 modules are configured as a Dual 16x8. Both modules are available in a choice of reed relay formats: 1-pole, 2-pole and 1-Pole screened. The screened version is suitable for switching coaxial signals up to 50MHz. Typical applications include signal routing in Functional ATE and data acquisition systems. These PXI matrix modules are constructed using high reliability Sputtered Ruthenium Reed Relays, offering 109 operations to give maximum switching confidence with long life and stable contact resistance. Larger matrices may be constructed by Daisy Chaining the common signals from multiple PXI modules. For example, seven PXI modules will form a 224x8 Matrix, a total of 1792 crosspoints in a 7-slot PXI Chassis.
-
product
Dynamic Micro Ohm Meter
PRIME 600
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 600 A, a wide measurement range with high power, dual ground testing process, thermal printer, touch display, pre-defined test modes and automatic reporting.
-
product
KV CAPS
500 V
Macom Technology Solutions Holdings Inc.
The MACOM KV CAPSTM Si high voltage capacitors feature very high working voltage ratings, very low loss and excellent stability by virtue of their novel internal construction and very high-quality dielectric layers. These capacitors are available as unpackaged chips. The chips have gold bonding surfaces on both terminals to enable excellent bonding and minimum contact resistance.
-
product
Single 16x16 1-Pole High-Density PXI Matrix Module
40-520-001
The 40-520 family of high-density PXI matrices is available in 22 different configurations with up to 256 crosspoints. The choice of six bus widths (x16, x12, x8, x6, x4 and x2) enables competitively priced solutions using Pickering Electronics instrumentation quality reed relays. These relays offer very long life with good low-level switching performance and excellent contact resistance stability. Typical applications include signal routing in ATE and data acquisition systems.
-
product
SIL Reed Relays
Series 105
• SoftCenter™ construction• Highest quality instrumentation grade switches• Encapsulated in a plastic package with internal mu-metal magnetic screen• Wide range of switch confi gurations -Form A, 1 Form B, 2 Form A, 1 Form C• Two pole relay requires the same board area as the single pole type• Dry and mercury wetted switches are available with the same pin configuration and footprint.• Many benefits compared to industry standard relays. Learn more here >.• Insulation resistance greater than 10E12 Ohms (1TOhms) for dry Form A devices• 5, 12 and 24 Volt coils are standard, with or without internal diode• 100% tested for dynamic contact resistance
-
product
Short Circuit Locator
A694
The A694 is a short circuit locator designed for fault location in metallic cables. The instrument measures the ratio of the resistances of the two sections of failed conductor using a four-wire "Kelvin" connection, thus eliminating errors associated with contact resistances of the test leads. With the A694 you can determine if the cable has more than a short and locate the first and the last fault. The instrument locates fault with an insulation resistance up to 5 Mohms in cables that have a total resistance greater than 0.1 ohm and less than 40 kohms. The distance to fault is measured as a percentage of the total length of cable and is displayed on a large LCD display.
-
product
Low Resistance Ohm Meter
6237 DLRO
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.
-
product
Dual 16x2 1-Pole High-Density PXI Matrix Module
40-520-501
The 40-520 family of high-density PXI matrices is available in 22 different configurations with up to 256 crosspoints. The choice of six bus widths (x16, x12, x8, x6, x4 and x2) enables competitively priced solutions using Pickering Electronics instrumentation quality reed relays. These relays offer very long life with good low-level switching performance and excellent contact resistance stability. Typical applications include signal routing in ATE and data acquisition systems.
-
product
Dynamic Contact Resistance Meter
Dynamic contact resistance measurements are necessary to understand the condition of the arcing contacts of the circuit breaker. Static contact resistance measurements do not give us information related to erosion of arcing contact, misalignments of the contact, and damages to the driving mechanism.
-
product
Slip Ring Tester
The SRT is an automatic test system offering fast and accurate measurement and reporting of noise, contact resistance and insulation resistance. It’s been designed to improve QA for manufacturers of slip rings, commutators, rotary connectors. It can also be used to test devices coming back for repair and overhaul.
-
product
Low Resistance Or Continuity Testing
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.
-
product
PXI Dual 32x4 Matrix 2-Pole Switching
40-534A-022
Typical applications include signal routing in Functional ATE and data acquisition systems. These PXI matrix modules are constructed using high reliability sputtered Ruthenium reed relays, offering >109operations to give maximum switching confidence with long life and stable contact resistance. Larger matrices may be constructed by daisy chaining the common signals from multiple PXI modules.
-
product
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.
