Dc Resistance Measurements - AEMC 6470-b User Manual

External Voltage Measurements
Measuring Method: Digital by sampling at 4028Hz, low pass filter, FFT.
The frequency of the strongest spectral component is displayed.
Measuring Rate: Display updates approx. 3 times per s.
Measured Range
Resolution
Intrinsic error
Operating error
Input impedance Z
Operating frequency
3.2.3

DC Resistance Measurements

Measuring Method: Voltage/Current measurement (Standard EN 61557 part 4)
Nominal Output Voltage: 16V
reduced to 10V
Max Output Current: > 200mA
Max Overload (permanent): 50Vrms (protection up to 250V is guaranteed)
Max Inductive Load: 2 H
Max Interfering Voltage: 60Vpeak > 10Hz
Time for Auto Range Selecting: approx 5 s
Measuring Time: 8 s with automatic polarity inversion
Measuring Rate: 3 per s in manual mode
Lead Compensation: Possible from 0 to 5Ω
Alarm Setting: ">" or "<" from 1 to 999Ω (max 3 digits)
2-Pole mΩ measurement
Measurement
Range
Resolution
Intrinsic error
Operating error
16
uality Products Online at:
, Z (Z )
H-E S-E S-ES
DC
)
DC
DC
0.12 to 10.0 to
9.99Ω
0.01Ω
GlobalTestSupply
www.
0.00 to 9.99V
0.01V
± (2% + 1ct)
± (5% + 1ct)
DC and 15 to 440Hz
(if resistance < 22Ω the output voltage is
for resistances < 20Ω
100 to
99.9Ω 999Ω
0.1Ω 1Ω
± (2% + 2cts)
± (5% + 3cts)
Ground Resistance Tester Model 6470-B
10 to 65V
0.1V
1.2MΩ
1.00 to
9.99kΩ 99.9kΩ
10Ω
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sales@GlobalTestSupp
10.0 to
100Ω