Kyoritsu Model 3131A Analogue Insulation / Continuity Testers

Description ;

The Model 3131A offers unmatched performance, and feature including test lead resistance zero adjustment for time-saving continuous operation, a clear ease to read illuminated scale, and a live circuit warning.

• Test insulation up to 100MΩ at 250V, 200MΩ at 500V, 400MΩ at 1000V and continuity up to 20Ω.
• LIVE circuit warning lamp plus audible warning.
• Automatic discharge of circuit capacitance when TEST button is released.
• Fuse protected (continuity range only).
• Battery check LED.
• Front panel zero adjust.
• Back light function to facilitate working at dimly lit situations.
• PRESS TO TEST button with lock down feature.

Insulation Resistance

Test voltage 250V/500V/1000V
Measuring ranges
(Mid-scale value) 100MΩ/200MΩ/400MΩ
(1MΩ) / (2MΩ) / (4MΩ)
Output voltage on open circuit Rated test voltage+20%, -0%
Nominal current 1mA DC min.
Output short circuit current 1.3 mA DC approx.
Accuracy 0.1 - 10MΩ/0.2 - 20MΩ/0.4 - 40MΩ
(Accuracy Guaranteed Ranges) ±5% of indicated value