Tenmars TM-507 Insulation Tester

EN 61557, EN 61010-1 CAT IV 600V

Display
4 digit LCD display.
Automatic Polarity Indication.
Low battery indication.

Features/ Benefits
Measures high insulation resistance with auto range:
250V: 4M© to 1000M© .
500V: 4M© to 2000M© .
1000V: 4M© to 4000M© .
Measures AC and DC voltages: 0V to 600V.
Function Keys: POWER, GO, ZERO, LOCK, BACKLIT.
Continuity Test.
Auto Discharge.
Auto Power Off.

DC Voltage Measurement
Range Resolution Accuracy Input Impedance Overload Protection
0.1V to 600V 0.1V ± ( 0.5% of rdg + 1dgt) 3M© 605V AC max RMS

AC Voltage Measurement
Range Resolution Accuracy Input Impedance Overload Protection
0.1V to 600V 0.1V ± ( 0.8% of rdg + 4dgt) 3M© 605V AC max RMS
Max crest factor

Resistance Measurement/ Test Continuity with buzzer
Range Resolution Accuracy Overload Protection
0.1© to 199.9© 0.1© ± ( 2.0% of rdg + 3dgt) 605V AC max RMS
The buzzer sounds when measured resistance is lower than 30 ohms.

LO Ohms
Range Resolution Accuracy Overload Protection
0.01© to 19.99© 0.01© ± ( 2.0% of rdg + 3dgt) 605V AC max RMS
Test Current: > 200mA DC up to 5 ohms ( including cable resistance) .
Test Current: > 45mA DC up to 5 ohms ( including cable resistance) .
Open Circuit Voltage: 4V < VO < 24V

MOhm: Insulation Resistance ( Auto Ranging)
Test Voltage Resistance Range Resolution Accuracy Overload Protection
250V 0.001 to 0.100M© 0.001M© ± 10 digits

605V max RMS
0.101 to 3.999M© 0.001M© ± ( 2.0% rdg + 5 dgt)
4.00 to 39.99M© 0.01M©
40.0 to 399.9M© 0.1M© ± ( 5.0% rdg + 5 dgt)
400 to 1000M© 1M©
500V 0.001 to 0.250M© 0.001M© ± 15 digits
0.251 to 3.999M© 0.001M© ± ( 2.0% rdg + 5 dgt)
4.00 to 39.99M© 0.01M©
40.0 to 399.9M© 0.1M©
400 to 2000M© 1M© ± ( 5.0% rdg + 5 dgt)
1000V 0.001 to 0.250M© 0.001M© ± 15 digits
0.251 to 3.999M© 0.001M© ± ( 2.0% rdg + 5 dgt)
4.00 to 39.99M© 0.01M©
40.0 to 399.9M© 0.1M©
400 to 1000M© 1M© ± ( 3.0% rdg + 5 dgt)
1000 to 4000M© 1M© ± ( 5.0% rdg + 10 dgt)

Autorange
Open circuit voltage: < 1.3V x VO
Accuracy of nominal voltage VO% + 10%
Short circuit current: < 3.0mA
Nominal testing current: 1mA at 1kohm x V ( 1mA at 500kohm)

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