CEM AT-9995AT-9955 Professional Multifunctional Automobile Digital Multimeter Automobile Maintenance Multimeter LCD Display
CEM AT-9995 AT-9955 Professional Automotive DMM with USB Interface LCD Display
CEM AT-9995 Professional multimeter
Professional Automotive DMM with USB Interface
AT-9995 is professional Automotive DMM with RS232 interface, AT- 9995E is with wireless USB interface; It can be used for many different diagnostic works on car and truck. Many functions are offered for your choice
Features
lOversized high contrast 4000 counts with Bargraph backlight LCD Display
lRPM measurement for automotive engines with 1 to 12 Cylinders using the inductive pick-up
lData Hold and Relative functions
lMax Hold and Min Hold
lAuto Power Off
lFused current inputs and overload protection on all ranges
Size(HxWxD): 197mm x 88.4mm x 41.2mm
Weight: 635g
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Specifications |
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Function |
Max Range |
Basic Accuracy |
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Voltage DC |
400mV, 4V, 40V, 400V, 1000V |
±(0.5%+2d) |
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Voltage AC |
400mV, 4V, 40V, 400V, 750V |
±(0.8%+4d) |
|
Current DC |
400uA, 4000uA, 40mA, 400mA, 4A, 20A |
±(1.2%+2d) |
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Current AC |
400uA, 4000uA, 40mA, 400mA, 4A, 20A |
±(1.5%+4d) |
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Resistance |
400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ |
±(0.8%+3d) |
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RPM(Tach) |
600 ~ 4000RPM; |
±(2.5%+2d) |
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Dwell Angle |
1CYL, 2CYL, 3CYL, 4CYL, 5CYL, |
±(2.5%+2d) |
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Duty Cycle |
0.1~99.9% |
±(1.5%+2d) |
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Period |
0.1~20mS |
±(3.0%+5d) |
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Pulse Width |
0.1~10mS |
±(3.0%+5d) |
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Frequency |
30kHz |
±(2.0%+2d) |
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Temperature |
-20oC ~ 760oC/-4oF ~ 1400oF |
±(3.0%+2d) |
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Diode Check |
Open circuit voltage 1.5V dc typical; |
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Test current 0.3mA typical |
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Continuity Test |
Threshold 30Ω, Continuity Beeper 2.7kHz |
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CEM AT-9955 Professional multimeter
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) |
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Temperature |
-20oC ~ 760oC/-4oF ~ 1400oF |
±(3.0%+2d) |
|
IR Temperature |
-20oC ~ 550oC/-4oF ~ 1022oF |
±(3.0%+2d) |
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Capacitance |
40nF, 400nF, 4uF, 40uF, 400uF,4mF,40mF |
±(3.0%+2d) |
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Pulse Width |
0.1~10mS |
±(3.0%+5d) |
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Diode Check |
Open circuit voltage 3V dc; Test current 0.3mA typical. |
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Continuity Test |
Threshold 30Ω, Continuity Beeper 2.kHz |
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