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3131A, Kyoritsu Insulation Tester

Analogue Insulation Tester 1000V/ 400MOhm

Basic Features
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 100MOhm at 250V, 200MOhm at 500V, 400MOhm at 1000V and continuity up to 20Ohm.
• 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.

Specifications
Insulation Resistance
DC test voltage : 250/ 500/ 1000V
Measuring ranges : 100M/ 200M/ 400MOhm
Mid scale value : 1M/ 2M/ 4MOhm
Output voltage on open circuit : rated test voltage + 20% , -0%
Nominal current : 1mA DC min.
Output short circuit current : 1.3mA DC approx.

Continuity
Measuring ranges : 2/ 20Ohm
Mid scale value : 1/ 10Ohm
Output voltage on open circuit : 4~ 9V DC
Measuring current : 200mA DC min.

General
Withstand voltage : 3700VAC for 1 minute
Power source : R6P ( AA) ( 1.5V) x6
Dimensions : 185( L) x 167( W) x 89( D) mm
Weight : 860g approx.
Accessories : 7122B ( test lead) pouch for test leads, 8923 ( F500mA/ 600V fuse) x2, shoulder strap, R6P ( AA) x6, instruction manual