Automotive Professional Digital Multimeter ADD91

Display: 3 3/4 digits LCD with a maxreading of 3999

Back light / hold key

Safety: According to EN61010-1 protection class 2, over voltage category(CAT3 600V)

Power supply: batteries

Weight: Approx. 500g(including battery and holster)

Quadratic signal output (reference are changeable)

Function

DC/AC Voltage,Resistance,DC/ AC Current,Capacitance,Frequency and Duty cycle

Temperature,Diode\ Continuity test

Tachometer, Dwell

ms-PULSE

Applications

Automotive sensor simulator

Measure output in sensors like Oxygen (O2), Coolant Temperature, Throttle Position (TPS),

Manifold Air, Pressure (MAP), Manifold Air Flow (MAF), etc

Check grounds, Voltage drops and continuity across Connectors, Wires, Cables, Relays Contacts, Lamps, Switches, etc

Check components like Alternator, Diodes, Relays Coils, Condensers, Ignition Coils, Spark Plug Wires, Magnetic Pick-ups, Motors, Switches, Fuses, etc

Specifications

Function	Range	BasicAccuracy
DC Voltage	400mV , 4V, 40V	-(0.5% + 3d) - +(0.5% + 3d)
-	400V,1000V	-
AC Voltage	400mV , 4V, 40V	-(0.8% + 3d) - +(0.8% + 3d)
-	400V,750V	-
DC Current	40mA , 400mA , 10A	-(1.2% + 3d) - +(1.2% + 3d)
AC Current	40mA , 400mA , 10A	-(1.5% + 5d) - +(1.5% + 5d)
Resistance (Ω)	400.4K,40K,400k,4M,40M	-(1.0% + 3d) - +(1.0% + 3d)
-	40nF, 400nF, 4uF,40	-
Capacitance	40nF, 400nF, 4uF,40uF ,100 uF	-(5.0% + 10d) - +(5.0% +10d)
Frequency	10Hz-10MHz	-(0.5% + 3d) - +(0.5% + 3d)
Duty cycle	0.1% -99.9%	-(2.0% + 1d) - +(2.0% + 1d)
Temperature	-30-+400C	-(1.2% + 4d) - +(1.2% + 4d)
-	+400-+1000C	-(2.0% + 15d) - +(2.0% + 15d)
Tachometer	500-10000RPM	-(1.2% + 2d) - +(1.2% + 2d)
Dwell	4 CYL, 5CYL, 6CYL, 8CYL	-(1.2% + 2d) - +(1.2% + 2d)
Quadratic signal	Hz/Duty/Voltage changeable	0-5V 20HZ-40KHZ
output	-	10%-90%

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