General Specifications; Electrical Specifications - Bosch MMD 540H Mode D'emploi

26 | MMD 540H Hybrid Multimeter | General Specifications

General Specifications

The instrument complies with: IEC 1010-1 EN61010-1.
Insulation: Class2, Double insulation.
Overvoltage category: CATIII1000V/CATIV600V.
Display: 4000 counts LCD display with function indication.
Polarity: Automatic, (-) negative polarity indication.
Overrange: "OL" mark indication.
Low battery indication: The "BAT" is displayed when the battery
voltage drops below the operating level.
Measurement rate: 2 times per second, nominal.
Auto power off: Meter automatically shuts down after approx. 30
minutes of inactivity.
Operating environment: 0° C to 50° C (32° F to 122° F) at < 70 %
relative humidity.
Storage temperature: -20° C to 60° C (-4° F to 140° F) at < 80 %
relative humidity.
For inside use, max height: 2000m
Pollution degree: 2
Power: One 9V battery , NEDA 1604, IEC 6F22.
Dimensions: 182 (H) x 82 (W) x55 (D) mm
Weight Approx.: 375g.
Robert Bosch LLC MMD 540H Instruction Manual | Version 1 | December 2010
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
RPM 4 600~4000 RPM
1000~12000 RPM
(X10 RPM)
RPM 2/DIS 300~4000 RPM
1000~6000 RPM
(X10 RPM)
Effect Reading: >600 RPM
Dwell Angle
Cylinder Range Resolution
4CYL 0~90.0° 0.1°
5CYL 0~72.0°
6CYL 0~60.0°
8CYL 0~45.0°
DC Voltage
Range Resolution
400.0mV 0.1mV
4.000V 1mV
40.00V 10mV
400.0V 100mV
600V 1V
Input Impedance: 10MΩ
AC Voltage
Range Resolution
4.000V 1mV
40.00V 10mV
400.0V 100mV
600V 1V
Input Impedance: 10MΩ.
Frequency Range: 50 to 60Hz
MMD 540H Instruction Manual | Version 1 | December 2010
Resolution Accuracy
1 RPM
10 RPM
± ±
2 % of rdg 4 dgts
1 RPM
10 RPM
Accuracy
± ±
2.0% of rdg 4 dgts
Accuracy
± ±
0.5% of rdg 2 dgts
± ±
1.5% of rdg 2 dgts
± ±
1.8% of rdg 2 dgts
Accuracy
± ±
1.0% of rdg 3 dgts
± ±
1.5% of rdg 3 dgts
± ±
2.0% of rdg 4 dgts
Robert Bosch LLC