Micro-Ohmmeter Model 6250
9
2.2 Applications
Some of the more popular and most frequent uses of the micro-ohmmeter
are in applications for:
•
Checking metallic coating resistance, especially in aeronautics
• Ground connections and continuity measurement
• Resistance measurements on motors and transformers
• Contact resistance measurements on breakers and switches
• Component measurement
• Electrical cable resistance measurement
• Mechanical bond tests
• Wire to terminal connections
• Aircraft and rail bonds
• Many other very low resistance samples
2.3 Key Features
• Measures from 1µΩ to 2500Ω
• Test current selection from 1mA to 10A
• RTD temperature measurement (optional)
• Automatic or manual temperature compensation
• Two programmable alarms with high or low triggering
• Stores up to 1500 test results
• Selectable Inductive or Resistive test modes
• Operator safety by automatic discharge of residual charge on the
equipment under test
• Instantaneous, continuous or multiple test operation
• Selectable metal type (Copper, Aluminum or other) for
temperature compensation
• Internal, rechargeable batteries conduct up to 5000, 10A tests
• A built-in battery pack recharger recharges the batteries by
connecting to the AC line (90V/264V, 45Hz/420Hz) using a
standard line cord
• 4-Wire measurement with automatic compensation of
undesirable voltages and lead resistance
• Large multi-function backlit display
• Direct display of the measurement with its units, range, measure-
ment mode and, if activated, temperature compensation.
• Measurement can be initiated from the front panel or remotely
through the 9-pin communication port
• Rugged, sealed case
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