Specifications; Reference Conditions; Voltage; Insulation Resistance - AEMC 1050 User Manual

3.1 Reference Conditions

Influence Quantity
Temperature
Relative Humidity
Supply Voltage
Frequency Range
Capacitance in parallel with the input resistance
Electric Field
Magnetic Field

3.2 Voltage

Measurement Range: 1 to 1000V
Resolution: 1V
Frequency Range: DC/16 to 420Hz
Accuracy: ± 1% of Reading ± 3cts, AC sinusoidal or DC voltage
Input Resistance: 750kΩ approx
WARNING: This instrument is rated 600V, Cat III, according to EN 61010-1 +
A2 (ed. 95). NEVER use the megohmmeter on electrical conductors rated above
600V.

3.3 Insulation Resistance

Method: Voltage-current method according to EN 61557-2 (ed. 02/97)
Nominal Output Voltage: 50, 100, 250, 500, 1000V
Open-circuit Voltage: ≤ 1.1 x Vn ± 5V (50, 100, 250, 500, 1000V)
Nominal Current: > 1mA
Short-circuit Current: < 6mA
Max. Overvoltage: Vrms max = 1200V
"-" terminals. 660V
Measurement Ranges: 50V:
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Megohmmeter Models 1050 /1060
CHAPTER 3

SPECIFICATIONS

at the nominal voltage
DC
DC
between the "G" and "-" or "G" and "+" terminals.
AC/DC
2kΩ to 200GΩ
100V: 4kΩ to 400GΩ
250V: 10kΩ to 1TΩ
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500V: 20kΩ to 2TΩ
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1000V: 40kΩ to 4TΩ
Reference Values
23°C ± 3°K
45 to 55%
9 to 12V
DC and 15.3 to 65Hz
0µF
nil
< 40A/m
DC
for 10 seconds between the "+" and
AC/DC
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