
30
Digital multimeter
GB
4.0 Technical Parameters
4.1 Overall parameters
• Operating environment:
600 V CAT IV and 1,000 V CAT III pollution class: 2
Altitude < 2,000 m
Storage temperature & humidity: -10 up to +60 °C (batteries should be removed if the relative humidity is below
70%)
• Coefficient of temperature: 0.1 x accuracy / °C (<18 °C or >28 °C)
• Permissible maximum voltage between the terminal to be measured and ground: 1,000 V DC or 750 V AC
(valid value)
• Current protection: mA position / mA fuse FF 630 mA / 250 V; 20 A position: FF 20 A / 250 V
• Rotation speed: 180 rpm
• Display unit: 6,000 digits are displayed on the LCD screen. Automatic display of the unit symbol in accordance
with the measurement function position.
• Out-of-range: the LCD screen displays “OL“
• Battery indication “low“: will appear when the battery voltage is below the normal working voltage
• Indication of input polarity: “-“ will appear automatically
• Power suppply of the meter: 4 x 1.5 AA batteries
• Dimensions (LxWxH): 190 x 89 x 50 mm
• Weight: 380 g (including batteries)
4.2 Precision indicator
The measurement accuracy ± (% r digits) is guaranteed for 1 year as of the ex-factory date.
Reference conditions: ambient temperature b18 °C and +28 °C, relative humidity < 80%.
4.2.1 DC voltage
Measuring range
Resolution
Accuracy
600 mV
0.1 mV
6 V
1 mV
60 V
10 mV
+/- (0.5% r 3 digits)
600 V
100 mV
1,000 V
1 V
+/- (0.5% r 3 digits)
Input impedance: 10 MΩ
Maximum input voltage: 1,000 V dc or 750 V ac valid value
Frequency response: 40 Hz up to 1 kHz True RMS