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TM-507 Digital Insulation Tester
Auto Discharge of Capacitive Voltage Charges

     TM-507 Digital Insulation Tester Meter with large LCD display of 4 digits and very robust design. Used to check the insulation of electrical installations. This can ensure safe operation with sufficient insulation and problems that may cause leakage currents are avoided.

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Features & Downloads
Features

  • EN 61557, EN 61010-1 CAT IV 600V .

  • 4 digit LCD display. 

  • Automatic Polarity Indication. 

  • Low battery indication.

  • Measures high insulation resistance with auto range:250V: 4MΩ to 1000MΩ.500V: 4MΩ to 2000MΩ.1000V: 4MΩ to 4000MΩ. 

  • Measures AC and DC voltages: 0V to 600V. 

  • Function Keys: POWER, GO, ZERO, LOCK, BACKLIT. 

  • Continuity Test. 

  • Auto Discharge. 

  • Auto Power Off.

Technical Specifications
Technical Specifications

  • DC Voltage Measurement

    • Range: 0.1V to 600V

    • Accuracy: +/-(0.5% of rdg + 1dgt)

    • Resolution: 0.1V

    • Input Impedance: 3M Ohm

    • Overload Protection: 605V AC max RMS

  • AC Voltage Measurement

    • Range: 0.1V to 600V

    • Resolution: 0.1V 

    • Accuracy: +/-(0.8% of rdg + 4dgt)

    • Input Impedance: 3M Ohm

    • Overload Protection: 605V AC max RMS

  • Resistance Measurement/Test Continuity with buzzer

    • Range: 0.1 Ohm to 199.9 Ohm.

    • Resolution: 0.1 Ohm.

    • Accuracy: +/-(2.0% of rdg + 3dgt).

    • Overload Protection: 605V AC max RMS.

    • The buzzer sounds when measured resistance is lower than 30 ohms.

  • LO Ohms

    • Range: 0.01 Ohm to 19.99 Ohm.

    • Resolution: 0.01 Ohm.

    • Accuracy: +/-(2.0% of rdg + 3dgt).

    • Overload Protection: 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.

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