User guide

MIT515, MIT525, MIT1025
5-kV and 10-kV dc Insulation Resistance Testers
Product comparison guide.
A look at each instrument’s features.
Model Number
MIT515-US MIT525-US MIT1025-US
Display
Analog/Digital
n n n
Power Supply
Line power
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Rechargable
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Test Voltage
10.0 kV
n
5.0 kV
n n n
2.5 kV
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1.0 kV
n n n
500 V
n n n
250 V
n n
10 V steps 50 V to 1 kV
25 V steps 1 kV to max. test voltage
n n
10 V steps 100 V to 2.5 kV,
25 V steps 2.5 kV to max. test voltage
n
Measurements
Max. reading 10 TΩ 10 TΩ 20 TΩ
Min. reading 10 kΩ 10 kΩ 10 kΩ
Voltage
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Capacitance and time constant
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Leakage current
n n n
Test Types
Auto IR
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Auto PI
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Auto SV
n n
Auto DD
n n
Auto DAR
n n n
Ramp test
n n
Other Features
CAT IV 600 V safety rating
n n n
Timer control
n n n
Timer display
n n n
3mA test currents
n n n
USB output (cable included)
n n
RS232 output (cable included)
n n
Calibration certificate included
n n n
IP65 rating
n n n
Alarm limit mode
n n n
Compatible with PowerDB
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User programmable lock voltage range
n n n
Temp. recording (manual entry)
n n
Real time clock
n n
Battery charge time (hours) 2.5 2.5 2.5
Noise rejection 3mA 3mA 3mA
Guard terminal performance 2% error guarding 500 kΩ leakage with a 100 MΩ load