AEMC 1000N - Page 30

Megohmmeter Model 1000N/1100N
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INSULATION TESTS
DC Test Voltages:
50, 100, 250, 500, 1000V
Megohm Ranges:
For each test voltage two direct reading ranges:
1 to 1000M
Ω
(10
6
to 10
9
Ω
)
1 to 1000G
Ω
(10
9
to 10
12
Ω
)
Short Circuit Current:
5mA (max)
Accuracy:
5% of reading typical
Charging Time:
M
Ω
range: 0.3 seconds/µF
G
Ω
range: 4 seconds/µF
Discharging Time:
Automatic discharge when test button is released; 0.1 seconds/µF
Scale:
Two large overlapping scales: 4.7" (119mm) for each range
Test Voltage Generation:
Solid state circuitry generating rated test voltage across the full range
RESISTANCE TESTS
Test Current:
Constant 1mA DC
Kilohm Range:
1 to 1000k
Ω
(1M
Ω
)
Maximum Test Voltage:
1200V
DC
Accuracy:
5% of reading typical
CONTINUITY TESTS
Resistance Range:
0.1 to 100
Ω
; 3
Ω
mid-scale
Accuracy:
6% of reading
Audible Tone:
Continuous for continuity resistances under 200
Ω
Fuse:
High interrupting capacity (0.315A)