GMW DIGEM 96 x 48 B5 - Technical Specifications; Display and Input Characteristics; Error Limits and Accuracy

14 GOSSEN Müller & Weigert
8Technical Data
Display
Type 7 segment LED
Display Color red, optionally green
Display Range –1999 to 9999
Character Height approx. 13.2 mm
Polarity “–” is displayed automatically
Decimal Point programmable
Overflow Display
_ _ _ _
Input
Module depends on version: see serial plate
Voltage Module
Input Impedance > 1 MΩ for measurements > 2 V
> 70 kΩ for measurements < 2 V
Current Module
Voltage Drop max. 2 V
Temperature Module, Pt100
Sensor Current 2 mA for Pt100
Error Limits
For Basic Instrument
Without Modules ± (0.1% of rdg. + 1 digit)
DC Module ± (0.1% of rdg. + 2 digits)
Temperature Coefficient < 80 ppm/K
SMRR > 35 dB at 50 Hz
CMRR > 120 dB with ref. to MB 200.00 mV at 50 Hz
AC Module (arithmetic)
Intrinsic Error at 45 ... 65 Hz ± (0.2% of rdg.
+ 3 digits)
30 ... 1 kHz ± (0.3% of rdg. + 5 digits)
Temperature Coefficient ± (0.01% + 0.01 mV) / K
TRUE RMS Module
Intrinsic Error at 45 ... 65 Hz ± (0.2% of rdg. + 3 digits)
20 Hz ... 1 kHz ± (0.3% of rdg. + 5 digits)
Crest Factor 6 (additional 0.5% of rdg.)
Temperature Coefficient ± (0.01% of rdg.
+ 0.01 mV) / K
rdg. = measurement value (reading)