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