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MJÖLNER 200 is designed to measure the resistance of circuit breaker contacts, bus-bar joints, contact elements in bus-bars and other high-current links. The product has been designed with safety, ease of use and versatility in mind. With MJÖLNER 200 it is possible to make measurements according to the DualGround™ method. This means that the test object will be grounded on both sides throughout the test giving a safer, faster and easier workflow.
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Agilent LCR and resistance meters are useful in testing components and materials in a variety of research and design applications and in component manufacturing. LCR meters measure impedance (inductance, capacitance, and resistance) at spot frequencies. Resistance meters are optimized for high-resistance or low-resistance measurements.
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The RESISTOMAT® model 2329 is particularly suitable for quick measurements of low resistances in automated processes. Up to 50 measurements per second can easily be performed. The device complies with the latest CE guidelines and is designed for laboratory use as well as heavy-duty industrial applications.
A 2-fold and 4-fold comparator with switching outputs has been included for classifi cation and selection; this feature is particularly useful for serial experiments.
One special application involves the measurement of contact resistances (dry-circuit measurement); the load voltage in this case is limited to 20 mV in order to prevent fritting (DIN IEC 512). The RS232 (standard) and IEEE488 (option) computer interfaces allow fully automatic testing stations to be set up. The PLC interface allows easy integration into your production process control.
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The new, high-precision ohm meters of the PROMET range deliver an adjustable test current of up to 600 A which is independent of the supply voltage.
They utilize the four-wire resistance measurement method, enabling them to meet the most stringgent accuracy requirements. State-of-the-art power electronics coupled with a robust design guarantee maximum reliability, even for portable use in switching stations and industrial environments.
PROMET ohm meters feature a modern operating concept, an interface to the test systems of the ACTAS product range and an optional remote control unit, making them both flexible and versatile.
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6250 Micro-Ohmmeters
The 10A Micro-Ohmmeter Model 6250 is a rugged, low resistance tester designed for both plant maintenance and field use. Utilizing a four-lead Kelvin method, the Model 6250 is the most accurate Micro-Ohmmeter available, with results within 0.05%.
The Model 6250 is uniquely designed to conduct tests on both resistive and inductive material, with operator selection directly from the front panel. Three test modes are available; resistive (instantaneous test), inductive (continuous test), and auto (repetitive test). Up to 1500 measurements can be stored and printed directly to a printer of from a PC.
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Digital low-resistance measuring instrument in accordance with DIN VDE 0 413 part 4 and EN 61 557 parts 1 and 4
- Two measuring ranges from 0.01 to 1999 kOhm
- Zero balancing for measurement cables
- Compact and rugged - for service calls and laboratory use
- Overvoltage protection - protects the instrument in the event of inadvertent connection to mains power
- Indication of interference voltage
- Measuring category CAT lll 300 V / CAT ll 600 V
- IP 65 protection
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Resistance measuring instrument with analog display for use in the plant, on service calls and for installation work
Resistance measuring instrument with analog display for use in the plant, on service calls and for installation work
Measuring method: current measurement
Large variety of measuring ranges from 0.05 º 1 M Ohm (5 ranges)
Ranges for rough capacitance measurement from 0 to 30 000 uF
Integrated buzzer for continuity testing
Rugged moving-coil mechanism with spring loaded bearing jewels allows for use under adverse operating conditions
Dimensions: 100 x 140 x 35 mm, weight: approx. 0.3 kg without battery
Battery: 1.5 V IEC LR 6 (AA mignon)
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QT25 uses a unique method to detect exact PCB short circuit locations and also pinpoint the shorted components/tracks. Ideally PCB tracks are suppose to have zero resistance, but in actual conditions they have small resistance. The exact location of the short is where the instrument reads the lowest value of resistance and this resistance could be detected with a sensitive instrument like QT25, even in power planes.
QT25 can also be used in measuring the contact resistance of switches and relays in its milli-ohm mode.
QT25 is designed to apply a drive voltage of less than 200 millivolts, while detecting shorts in the populated PCBs, so as to avoid turning on the semiconductor devices inside the circuit, which could lead to misleading results.
There is a composite '16 character alpha numeric backlit LCD display' to show the Resistance range selected, Offset indication, Resistance value, and also the Units.
1. 4 wire resistance measurement
2. Back-lit 16 character alpha numeric display
3. Complimenting modulated audio tone
4. Resistor range of 200 milliohms, 2 ohms and 200 ohms.100 micro ohm resolution in 200 milli ohm range
5. Auto offset capability upto 200 ohms
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1. Most useful in locating Vcc - Gnd shorts and track shorts in PCBs
2. 3U cPCI / PXI Platform for rugged Environment
3. Hot Swap (Live Insertion / removal)
4. 4 wire resistance measurement
5. Complimenting modulated audio tone
6. Resistor range of 200 milliohms, 2 ohms and 200 ohms.100 micro ohm resolution in 200 milli ohm range
7. Auto offset capability upto 200 ohms
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