Specifications Jump off time x1 IΔN300 slow 500ms x5 IΔN40 slow 150ms Jump off current 0 2 1 1 IΔNContact voltage range 0 99 9VAC current range 0 440VFrequency range DC 45 65HzLoop resistance range RL 0 1 2000ΩRL test current 0 5 IΔNTest current multiplier x0 5 x1 x5Current stages IΔN 10mA 30mA 100mA 300mA 500mATrigger phase angle 0° or 180°Power supply 8 x 1 5V AA batteries not included Low battery indication YesData memory 1000 recordsBacklight YesUSB connectivity YesSafety certifications EN61010 1 EN61557 3 EN61326 1 CAT III 600V CAT III 1000VProduct size 188 x 145 x 73 mmWeight Approx 708gFeatures 1 Accurate current testing Supports a wide range of current stages including 10mA 500mA ensuring precision for diverse applications 2 Comprehensive measurement range Measures loop resistance up to 2000Ω and AC voltage ranges from 0 440V 3 Large LCD screen Provides clear detailed readings with backlight support for low light conditions 4 Data storage Records up to 1000 sets of measurement data ideal for long term tracking and analysis 5 Certifications for enhanced safety Complies with CAT III 600V 1000V and EN safety standards for professional grade use Package Included 1 x HT5901 RCD Loop Tester1 x USB Cable1 x Test Line1 x English Manual3 x Clips red green black 1 x Protection Bag