AT-9955

Automotive Digital Multimeter provides multi-functions:
RPM measurement for automotive engines with 2 to 10 Cylinders using the inductive Pick-up.
Oversized high contrast 4000 counts LCD display with backlight
14 Functions including DCV, ACV, DCA, ACA, Resistance, RPM (Tach), Dwell angle, Duty cycle, Frequency, Temperature (IR Temperature) (ºC/ºF), Capacitance, Continuity and Diode Check
Read pulse duty cycle and dwell angle for electronic fuel injection feedback carburetors, and ignition
Data Hold and Relative functions.
Over-range indication
Auto Power Off.
Fused current inputs and Overload protection on all ranges.
Measures Milliseconds pulse width to test on-time of fuel injectors, idle air control motors, and electronic transmission controls.



Size(HxWxD): 182mm x 82mm x 55mm

Weight: 360g

Specifications

Function

Range

Basic Accuracy

Voltage DC

400mV, 4V, 40V, 400V, 1000V

±(0.5%+2d)

Voltage AC

400mV, 4V, 40V, 400V, 700V

±(0.8%+4d)

Current DC

400uA, 4000uA, 40mA, 400mA, 4A, 20A

±(1.2%+2d)

Current AC

400uA, 4000uA, 40mA, 400mA, 4A, 20A

±(1.5%+4d)

Resistance

400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ

±(0.8%+3d)

RPM(Tach)

600 ~ 4000RPM;600 ~ 12000RPM(x 10RPM)

±(2.0%+2d)

Dwell Angle

4, 5, 6, 8CYL

±(2.5%+2d)

Duty Cycle

0.1~99.9%

±(1.5%+2d)

Frequency

0.001Hz~9.99MHz

±(2.0%+2d)

Temperature

-20ºC ~ 760ºC/-4ºF ~ 1400ºF

±(3.0%+2d)

IR Temperature

-20ºC ~ 550ºC/-4ºF ~ 1022ºF

±(3.0%+2d)

Capacitance

40nF, 400nF, 4uF, 40uF, 400uF,4mF,40mF

±(3.0%+2d)

Pulse Width

0.1~10mS

±(3.0%+5d)

Diode Check

Open circuit voltage 3V dc; Test current 0.3mA typical.

Continuity Test

Threshold 30Ω, Continuity Beeper 2.kHz





Accessories:

Test leads, type K temperature Probe, IR temperature probe (IR-82 optional), Inductive

pick-up and 9V battery, Gift box with carrying case.

AT-9955
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