Associated Research HYPOTULTRA III 7620, Operation And Service Manual, Page: 31 / 148

23
INSULATION RESISTANCE TEST MODE, MODEL 7650 ONLY
Resistance Display Range:
0.05M
Ω
– 50000 M
Ω
(5 Digit, Auto Ranging)
Resolution: 500VDC 1000VDC
M
Ω
M
Ω
M
Ω
0.001 0.050 – 9.999 0.100 – 9.999
0.01 1.00 – 99.99 1.00 – 99.99
0.1 10.0 – 999.9 10.0 – 999.9
1 100 – 50000 100 – 50000
Accuracy: 50 – 499V
0.05M
Ω
– 999.9M
Ω
,
±
(7% of r 2 counts)
500 – 1000V
0.10M
Ω
– 999.9M
Ω
,
±
(2% of r 2 counts)
1000M
Ω
– 9999M
Ω
,
±
(5% of r 2 counts)
10000M
Ω
– 50000M
Ω
,
±
(15% of r 2 counts)
Charge-LO Range:
0.000 – 3.500
µ
A or Auto Set
Maximum and
Minimum Limits
Range: 0.0, 0.05M
Ω
– 99.99M
Ω
Resolution: 0.01M
Ω
Range: 100.0M
Ω
– 999.9M
Ω
Resolution: 0.1M
Ω
Range: 1000M
Ω
– 50000M
Ω
Resolution: 1M
Ω
(Max Limit: 0 = OFF)
Accuracy: Same as Resistance Display Accuracy
Ramp Timer Range: Ramp-Up: 0.1 – 999.9 sec
Ramp-Down: 0.0, 1.0 – 999.9 sec
Resolution: 0.1 sec
Accuracy:
±
(0.1% + 0.05 sec)
Delay Timer Range: 0.0, 1.0 – 999.9 sec 0 = Continuous
Resolution: 0.1 sec
Accuracy:
±
(0.1% + 0.05 sec)
Ground Fault Interrupt GFI Trip Current:
HV Shut Down Speed:
450
µ
A max
< 1ms