KYORITSU 3131A - Manual (Page 7)

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Typical Number of Measurements (central tendency for supply voltage up to
6.5V)
Insulation Resistance Ranges:
1000V/400MΩ Range Approx. 500 times min.
500V/200MΩRange Approx. 1300 times min.
250V/100MΩ Range Approx. 1800 times min.
Continuity Test (Resistance Test) Ranges:
xΩ Range/ x 10Ω Range Approx. 1000 times min.
Applicable Standards
IEC 61010-1 Overvoltage CAT.Ⅲ 300V Pollution Degree 2
IEC 61010-2-31 Safety requirements for hand-held probe assemblies
IEC 61557-1/2/4 Measuring equipment for low voltage distribution systems
IEC 61326 EMC
IEC 60529 (IP54) Dust & drip proof
Operating Temperature & Humidity: 0-40° C, relative humidity up to 85%
Storage Temperature & Humidity: -20-60° C, relative humidity up to 85%
Insulation Resistance More than 50MΩat 1000V DC between
electrical circuit and housing case
Withstand Voltage 3700V AC for one minute between electrical
circuit and housing case
Overload Protection
Insulation resistance ranges: 1000V Range 1200V (DC+AC p-p) for 10 seconds
500V Range
600V (DC+AC p-p) for 10 seconds
250V Range 300V (DC+AC p-p) for 10 seconds
Continuity ranges: xΩ/ x 10ΩRange 280V (DC+AC p-p) for 10 seconds
Dimensions: 185(L) x 167(W) x 89(D) mm approx.
Weight: 860g approx. (including batteries)
Power Source: 6 x 1.5V battery type SUM-3, R-6 , AA or equivalent
Accessories Test Probe MODEL7122 x 1 set
Strap belt x 1
Test probe pouch x 1
R6P AA batteries x 6
Spare fuse F 500mA/600V x 1
Instruction manual x 1