Promax PE-455, Руководство пользователя

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USER’S MANUAL. PE-455
11/2014 Page 1
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INSULATION TESTER
PE-455
1. GENERAL
1.1 Features
•
Large LCD display.
•
Three insulation test voltage: 250 V, 500 V, 1000 VDC.
•
External voltage warning indication.
•
Automatic circuit discharge.
•
Test insulation at rated voltage into a 1 mA load.
•
200 mA continuity short circuit test current.
•
AC voltage measurement.
•
Fuse protection.
•
Timer for test function (count 3 ~ 5 minutes).
•
Data hold function.
•
Auto power off function.
1.2 Specifications
Insulation Resistance
Auto range 20 M
Ω
/ 200 M
Ω
/ 2000 M
Ω
Range Resolution Accuracy
20 M
Ω
10 k
Ω ±
(1.5% rdg. + 5 dgt)
200 M
Ω
100 k
Ω ±
(2.5% rdg. + 3 dgt)
2000 M
Ω
1 M
Ω ±
(5% rdg. + 5 dgt)
Output current 1 mA DC min. at 0.25 M
Ω
(250 V range)
1 mA DC min. at 0.5 M
Ω
(500 V range)
1 mA DC min. at 1 M
Ω
(1000 V range)
Power consumption Max. consumption current
Approximately 250 mA