Gb 3. specifications – WIKA DI25 Benutzerhandbuch
Seite 9
9
WIKA operating instructions digital indicator, model DI25
14076218.01 12/2013 GB/D
GB
3. Specifications
Accuracy
Current signal:
±0.2 % of measuring range ±1 digit
Voltage signal:
±0.2 % of measuring range ±1 digit
Thermocouples:
±0.2 % of measuring range ±1 digit or ±2 °C (4 °F), greater
value applies
■
Type R, S in the range 0 ... 200 °C (400 °F): ±6 °C (12 °F)
■
Type B in the range 0 ... 300 °C (600 °F): accuracy not
guaranteed.
■
Type K, J, E, T, N below 0 °C (32 °F): ±0.4 % of measur-
ing range ±1 digit
Resistance thermometers: ±0.1 % of measuring range ±1 digit or ±1 °C (2 °F), greater
value applies
Measuring rate:
4 measurements per second (measuring time 0.25 seconds)
Input
Thermocouples:
K, J, R, S, B, E, T, N, PL-II, C (W/Re5-26):
Permissible external resistance: max. 100 Ω
(Type B: max. 40 Ω)
Resistance thermometers: Pt100, JPt100, 3-wire
Wire resistance max. 10 Ω per wire
Current input:
0 ... 20 mA, 4 ... 20 mA
Input impedance: 50 Ω (external measurement shunt)
Permissible input current: max. 50 mA
Voltage input:
DC 0 ... 1 V
Input impedance: min. 1 MΩ
Permissible input voltage: max. DC 5 V
Permissible resistance of signal source: max. 2 kΩ
DC 0 ... 5 V, DC 1 ...5 V, DC 0 ... 10 V
Input impedance: min. 100 kΩ
Permissible input voltage: max. DC 15 V
Permissible resistance of signal source: max. 10 Ω