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AT-9955
Automotive Digital Multimeters With IR Laser Thermometer
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Large LCD display
- RPM measurement for automotive engines with 2 to 10 Cylinders using the inductive Pick-up.
- Oversized high contrast 6000 counts LCD display with backlight
- 14 Functions including DCV, ACV, DCA, ACA, Resistance, RPM(Tach), Dwell angle, Duty cycle, Frequency, Temperature ( IR Temperature)(℃/℉),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.
- Complete with test leads, K-type temperature Probe, IR temperature probe Inductive pick-up and 9V battery.
- Dimensions/Wt.: 182X 82 X 55mm/360g z
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| Specifications: |
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Function
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Range
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Basic Accuracy (%rdg + digits)
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DC Voltage
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400mV, 4V, 40V, 400V, 1000V
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± (0.5% + 2d)
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AC Voltage
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400mV, 4V, 40V, 400V, 700V
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± (0.8% + 4d)
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DC Current
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400uA, 4000uA, 40mA, 400mA, 4A , 20A
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± (1.2% + 2d)
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AC Current
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400uA, 4000uA, 40mA, 400mA, 4A , 20A
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± (1.5% + 4d)
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Resistance( Ω )
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400, 4K, 40K, 400K, 4M , 40M
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± (0.8% + 3d)
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RPM(Tach)
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600~4000RPM;600~12000RPM(x10RPM)
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± (2.0% + 2d)
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Dwell Angle
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4, 5, 6, 8 CYL
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± (2.5% + 2d)
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Capacitance
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40nF, 400nF, 4uF, 40uF,100uF
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± (3.0% + 2d)
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Frequency (Hz)
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0.001Hz~9.99MHz
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± (2.0% + 2d)
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Duty Cycle
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0.1% ~ 99.9%
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± (1.5% + 2d)
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Temperature
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-20 ℃ ~ 760 ℃ / -4 ℉ ~ 1400 ℉
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± (3.0% + 2d)
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IR temperature
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-20 ℃ ~ 280 ℃ / -4 ℉ ~ 536 ℉
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± (3.0% + 2d)
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Pulse Width
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0.1~10mS
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± (3.0% + 5d)
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Diode Check
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Open circuit voltage 1.5V dc typical; Test current 0.3mA typical.
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Continuity test
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Threshold 30 Ω , Continuity Beeper 2.7 KHz.
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