1000V Analogue Insulation Tester

SKU: K3131

Out of stock


  • Three test ranges 250V – 500V – 1000V
  • Resistance to 20Ω
  • Auto discharge after test
  • Housed in IP54 Casing
  • Live circuit warning
  • Lock down Test Button for continuous use
  • 1mA output current on insulation test
  • 200mA short circuit on continuity range
  • Backlight facility for dimly lit areas
  • K3131IS – Intrinsically safe version available

Out of stock

The K3131 is a 1000V Analogue Insulation Tester, designed to meet international standards of performance and safety. This model is a high powered, high quality instrument used by professionals to obtain accurate values of insulation and continuity resistance in accordance with SABS 0142 requirements. The K3131 offers three insulation test ranges: 250V, 500V and 1000V and two continuity ranges, and is equipped with a clear, easy to read illuminated scale. The K3131IS is available on request.


SKU: K3131 Category:


Function Range Resolution Accuracy
Resistance 0 – 20Ω 0.1Ω ± (3%)
Insulation resistance 250V 250V 0 – 100MΩ ± (0.1MΩ-10MΩ)
Insulation resistance 500V 500V 0 – 200MΩ ± (0.2MΩ-20MΩ)
Insulation resistance 1000V 1000V 0 – 400MΩ ± (0.4MΩ-40MΩ)
Short circuit current 1.3mA
Overrange indication Yes
Digital Display Analogue Display
Auto discharge Yes
Back Light Yes
Enclosure Moulded case IP54
Low battery indication Yes
Power source 6 x R6
Weight 860g
Dimensions 167 x 1185x 89mm
Safety Specs IEC61010-1 CatIII 300V

Safety Ratings

1000V Analogue Insulation Tester


Download “K3131 Instruction Manual”

K3131-Instruction-Manual.pdf – Downloaded 18 times – 4.87 MB



Pouch for leads
AA batteries
Test leads
Instruction Manual