WIKA GCS-1 - Manual (Page 10)

10 WIKA operating instructions gas cylinder scale model GCS-1
GB
11145676.05 11/2011 GB/D/F/E
3.3 Voltage supply
Power supply
DC 14 ... 30 V
Maximum output current
≤ 35 mA
3.4 Accuracy
Analogue signal
≤ 0.1 % of span
≤ 0.05 % of span (BFSL)
Non-linearity (IEC 61298-2)
≤ 0.05 % of span
Long-term stability (per month)
≤ 0.04 % of span (at reference conditions)
Adjustability of zero point / span
± 5 % through built-in potentiometer
Temperature effect
Temperature coefficients in rated temperature range
■ Mean TC zero point: ≤ ± 0.1 % of span / 10 K
■ Mean TC span: ≤ ± 0.1 % of span / 10 K
3.5 Reference conditions (per IEC 61298-1)
Temperature:
15 ... 25 °C
Atmospheric pressure: 950 ... 1050 mbar
Humidity: 45 ... 75 % relative
Nominal position: horizontal
Power supply: DC 24 V
Load: see output signals
3. Specifications