3490 Analog Insulation

Features:– 3-range 250V500V/1000 milliohms 1000V/2000 milliohms, easy-to-read scale for insulation resistance values- These instruments feature a robust design that can withstand being dropped onto concrete from a height of 1 m. – White LED lighting thats easy to read in dim locations in the field- Keep track of remaining battery life since its shown on the LED, eliminating the need to worry about sudden loss of battery power in the field.- Measurement switch designed for outstanding ease of use- Remote control to start and stop insulation resistance measurement from the leads- Function rotary switch designed for maximum safety

Specifications

– Rated output voltage: 250 V DC / 500 V DC / 1000 V DC- Effective maximum indicated value: 100 milliohms / 100 milliohms / 4000 milliohms- Accuracy (1st effective measuring range): +/- 2 % of scale length; 0.05 to 50 milliohms +/- 2 % of scale length / 0.05 to 50 milliohms +/- 2 % of scale length / 2 to 1000 milliohms- Lower limit resistance: 0.25 milliohms / 0.5 milliohms / 1 milliohms (Measurement resistance value to maintain testing voltage)- Overload protection: 660 V AC (10 sec.)- Low resistance range: 3 ohms (at 200 mA testing current), +/- 0.09 ohms accuracy, 30 ohms (at 20 mA testing current), +/- 0.9 ohms accuracy,- Open-circuit voltage: 4.1 to 6.9 V- AC voltage range: 0 to 600 V (50/60 Hz), +/- 5 % of maximum scale value accuracy, 100 kiloohms or more input resistance- Other functions: Bright LED luminous scale, Drop proof (on concrete, 1 m/1 time), Battery check, Live circuit check, Auto discharge- Power supply: LR6 (AA) alkaline batteries x4, Continuous use: 20 hours (at 500 V range, no load)- Dimensions and mass: 159 x 177 x 53 mm, 610 g (including battery, excluding test lead)- AccessoriesTest lead: L9787 x1, Instruction manual x1, Shoulder strap x1, LR6 (AA) alkaline batteries x4