Automotive Professional Digital Multimeter OAS91

Place of Origin	China
Model Number	Automotive Professional Digital Multimeter OAS91

Display:3 3/4 digits LCD with a maxreading of 3999
Back light / hold key
Safety: According to EN61010-1 protection class Ⅱ
over voltage category(CAT Ⅲ 600V)
Power supply : 2×1.5VAA batteries
Size: 145(H)×74(W)×40(D) mm
Weight: Approx. 500g(including battery and holster)
Quadratic signal output(reference are changeable)
  Features
Function
·DC/AC Voltage,Resistance,DC/ AC Current,Capacitance,Frequency and Duty cycle
·Temperature,Diode\ Continuity test
·Tachometer, Dwell
·ms-PULSE
Description
·Display:3 3/4 digits LCD with a max . reading of 3999
·Auto range / Auto power off
·Back light / hold key
·Safety: According to EN61010-1 protection class Ⅱ
·over voltage category(CAT Ⅲ 600V) pollution degree 2
·Power supply : 2×1.5VAA batteries
·Size: 145(H)×74(W)×40(D) mm
·Weight: Approx. 500g(including battery and holster)
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 400V,1000V
 ±(0.5% + 3d)
AC Voltage
 400mV , 4V, 40V 400V,750V
 ±(0.8% +3d)
DC Current
 40mA , 400mA , 10A
 ±(1.2% + 3d)
AC Current
 40mA , 400mA , 10A
 ±(1.5% +5d)
Resistance (Ω)
 400.4K,40K,400k,4M,40M
 ±(1.0% + 3d)
Capacitance
 40nF, 400nF, 4uF,40 uF ,100 uF
 ±(5.0% + 10d)
Frequency
 10Hz-10MHz
 ±(0.5% + 3d)
Duty cycle
 0.1% -99.9%
 ±(2.0%+1 d)
Temperature
 -30-+400℃
 ±(1.2%±4d)
+400℃-+1000℃
 ±(2.0%±15d)
Diode test and Audible Continuity test
 0
 Test current :1±0.6mA
0
 ≤60ΩBuzzer sounds
Tachometer
 500-10000RPM
 ±(1.2% +2d)
Dwell
 4 CYL, 5CYL, 6CYL, 8CYL
 ±(1.2 %+2d)
ms-PULSE
Quadratic signal output
 Hz/Duty/Voltage changeable
 0-5V 20HZ-40KHZ 10%-90%