 |
AT-9945
Automotive
Digital Multimeters |
Large LCD
display
- RPM
measurement for automotive engines
with 2 to 10 Cylinders using the
inductive Pick-up.
-
Oversized high contrast 4000 counts
LCD display with backlight
- 13
Functions including DCV, ACV, DCA,
ACA, Resistance, RPM(Tach), Dwell
angle, Duty cycle, Frequency,
Temperature(⊥/沈), 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.
z
- AT-9945 measures Milliseconds pulse
width to test on-time of fuel
injectors, idle air control
motors, and electronic transmission
controls.
|
|
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 |
400次,4k次,40k次,400k次,4M次,40M次 |
㊣(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 |
-20⊥~760⊥/-4沈~1400沈 |
㊣(3.0%+2d) |
|
Capacitance |
40nF,400nF,4uF,40uF,100uF |
㊣(3.0%+2d) |
|
Pulse Width(9945) |
0.1~10mS |
㊣(3.0%+5d) |
|
Diode Check |
Open
circuit voltage 1.5V dc;
Test current 0.3mA typical. |
|
Continuity Test |
Threshold
30次,Continuity Beeper 2.7kHz |
Size(HxWxD):195mm
x 92mm x 38mm
Weight:380g
Accessories: Rubber
holster, Test leads, K-type temperature
Probe, Inductive Pick-up and 9V battery. |
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