Digital Insulation Tester ( TM-507 )

Model : TM-507

– Auto Discharge
– Standard : EN61557, EN61010-1
– CAT IV 600V 

Display :
– 4 digits LCD display
– Polarity indication : automatic polarity. “-” display for negative input
– Low battery indication  

Functions :
– Function keys : Power, Go, Zero, Lock, Backlit
– Continuity test
– Measures high insulation resistance with auto range of :
  – 250V and (4MΩ/40MΩ/400MΩ/1000MΩ)
  – 500V and (4MΩ/40MΩ/400MΩ/2000MΩ)
  – 1000V and (4MΩ/40MΩ/400MΩ/4000MΩ)
– Measures DC voltage (0V – 600V), AC voltage (0V – 600V)
– Auto power off
– Auto discharge  


Specifications :

DC voltage measurement :

RangeResolutionAccuracyInput impedanceOverload protection
0.1 – 600.0 V0.1 V±(0.5% rdg + 1 dgt)3 MΩ605 VAC max RMS

AC voltage measurement :

RangeResolutionAccuracyInput impedanceOverload protection
0.1 – 600.0 V0.1 V±(0.8% rdg + 4 dgt)3 MΩ605 VAC max RMS

Max crest factor : √2

MΩ : Insulation resistance (Auto range)

Test voltageRangeResolutionAccuracyOverload protection
250 V0.001–0.100MΩ0.001 MΩ±10 dgt   605 V max RMS
0.101–3.999MΩ0.001 MΩ±(2.0% rdg +5 dgt)
4.00-39.99MΩ0.01 MΩ
40.0-399.9MΩ0.1 MΩ±(5.0% rdg + 5 dgt)
400-1000MΩ1 MΩ
500 V0.001-0.250MΩ0.001 MΩ±15 dgt
0.251-3.999MΩ0.001 MΩ±(2.0% rdg + 5 dgt)
4.00-39.99MΩ0.01 MΩ
40.0-399.9MΩ0.1 MΩ
400-2000MΩ1 MΩ±(5.0% rdg + 5 dgt)
1000 V0.001-0.250MΩ0.001 MΩ±15 dgt
0.251-3.999MΩ0.001 MΩ±(2.0% rdg + 5 dgt)
4.00-39.99MΩ0.01 MΩ
40.0-399.9MΩ0.1 MΩ
400-1000MΩ1 MΩ±(3.0% rdg + 5 dgt)
1000-4000MΩ1 MΩ±(5.0% rdg + 10 dgt)


Terms & Conditions :

  • The above picture is for illustration only
  • All the above descriptions are subject to change without notice
  • Delivery charges will apply to buyers from Sabah, Labuan & Sarawak
  • International buyers, kindly contact us for shipping charges 
  • Free Shipping Within Peninsular Malaysia Only
  • Delivery : approx. 3 to 5 working days ( Peninsular Malaysia )
                    approx. 7 to 10 working days ( Sabah, Labuan & Sarawak, subject to courier delivery schedule )
  • Country of origin : Taiwan
  • Warranty : 1 year against manufacturing defects only

    REMARKS : For warranty claim :-
    – There is NO one to one exchange
    – Instrument need to sent back to manufacturer for rectification, repair & re-calibration

    Pricing for TM-507

    For enquiries, kindly contact us @
    Tel : +6012 728 1063    
    Email : enquiry@malaysiameasurement.com