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MMD 540H Instruction Manual | Version 1 | February 2008 Robert Bosch LLC
Electrical Specifi cations
*Accuracy is given as±([% of reading]+[number of least signifi cant
digits]) at 18° to 28°(65°F to 83°F), with relative humidity up to 70%.
RPM (Tach)
Range Resolution Accuracy
RPM 4 600~4000 RPM 1 RPM
±2 % of rdg ±4 dgts
1000~12000 RPM
(X10 RPM)
10 RPM
RPM 2/DIS 300~4000 RPM 1 RPM
1000~6000 RPM
(X10 RPM)
10 RPM
Effect Reading: >600 RPM
Dwell Angle
Cylinder Range Resolution Accuracy
4CYL 0~90.0° 0.1°
±2.0% of rdg ±4 dgts
5CYL 0~72.0°
6CYL 0~60.0°
8CYL 0~45.0°
DC Voltage
Range Resolution Accuracy
400.0mV 0.1mV
±0.5% of rdg ±2 dgts
4.000V 1mV
±1.5% of rdg ±2 dgts
40.00V 10mV
400.0V 100mV
600V 1V
±1.8% of rdg ±2 dgts
Input Impedance: 10MΩ
AC Voltage
Range Resolution Accuracy
4.000V 1mV
±1.0% of rdg ±3 dgts
40.00V 10mV
±1.5% of rdg ±3 dgts
400.0V 100mV
600V 1V
±2.0% of rdg ±4 dgts
Input Impedance: 10MΩ.
Frequency Range: 50 to 60Hz
MMD 540H Hybrid Multimeter | Electrical Specifi cations | 27