The Model 3131A offers unmatched performance, and feature including test lead resistance zero adjustment for time-saving continuous operation, a clear easy 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 Measurements Test Voltage: 250V/500V/1000V Measuring Ranges (Mid-scale Value): 100MO/200MO/400MO; (1MO) (2MO) (4MO) 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: 0.1~10MO; 0.2~20MO; 0.4~40MO ±5% of indicated value
Continuity Measuring Ranges (Mid-scale Value): 2O/20O; (1O)(10O) Output Voltage on open circuit: 4~9V DC Measuring Current: 200mA DC min. Accuracy: ±3% of scale length
General Specifications Safety Standard: IEC61010-1 CAT.III 300V Pollution Degree 2 IEC61010-2-031, IEC61557-1/2/4 IP Rating: IEC60529-IP54 EMC Standard: IEC61326-1 Withstand Voltage: 3700V AC for 1 minute Power Supply: R6P(AA)(1.5V) x 6 Dimensions: 185 x 167 x 89mm Weight: 860g approx.