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Analogue Insulation / Continuity Testers

MODEL 3131A

MODEL 3131A
CE
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.
  • Resistance
  • Backlight
  • 250V
  • 500V
  • 1000V

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

Continuity

Measuring ranges
(Mid-scale value)
2Ω/20Ω
(1Ω)/(10Ω)
Output voltage on open circuit 4 - 9V DC
Measuring current 200mA DC min
Accuracy ±3% of scale length

General

Safety Standard IEC 61010-1 CAT III 300V Pollution Degree 2
IEC 61010-2-031
IEC 61557-1/2/4
IP Rating IEC 60529-IP54
EMC Standard IEC 61326-1
Power source R6 (AA) (1.5V) × 6
Dimensions 167(L) × 185(W) × 89(D)mm
Weight 860g approx.
Included Accessories 7122B (Test leads) Pouch for test leads
8923 (F500mA/600V fuse) × 2
R6 (AA) × 6
9121 (Shoulder Strap)
Instruction Manual

Accessories/Optional Accessories /Related Products

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