WIKA WUD-26 - Handbuch (Seite 12)

Operating instructions/Betriebsanleitung, WUD-2x
11611057.01 GB/D 11/2013
12
Specifications Models WUD-20, WUD-25 and WUD-26
Power supply U
+
DC 10 ... 30 V with output signal 4 ... 20 mA / DC 0 ... 5 V
DC 14 ... 30 V with output signal DC 0 ... 10 V
Signal output and maximum
ohmic load R
A
(in Ω)
4 … 20 mA, 3-wire, R
A ≤ (U+ – 10 V) / 0.02 A
DC 0 ... 5 V, 3-wire, R
A
> 5 k
DC 0 ... 10 V, 3-wire, R
A
> 10 k
Power P
i
1 W
Current consumption max. 50 mA
Total current supply max. 250 mA (incl. switching current)
Adjustability zero -3.5 ... +3.5 % of span (via potentiometer), current output signal
-2 ... +3.5 % of span (via potentiometer), voltage output signal
Signal response (10 ... 90 %) ≤ 300 ms
Switch points
individually adjustable via external control keys
■ Type transistor switching output NPN
■ Number 1 or 2
■ Function normally open, normally closed, on, off
■ Switching current Max. current that can be used with the switch
SP1: 100 mA
SP2: 100 mA
■ Accuracy ≤ 0.5 % of span
Insulation voltage DC 500 V
Display
■ Design 7 segment-LED, red, 4-digits, height 8 mm, electronic 180° rotatable
■ Accuracy ≤ 1.0 % of span ±1 Digit
■ Update 0.2 / 0.5 / 1 / 5 / 10 / 60 sec (adjustable)
Accuracy ≤ 0.15 % of span (≤ 0.4 with pressure ranges ≤ 2 bar) RSS (Root Sum Squares)
≤ 0.3
% 1) of span (≤ 0.6 1) with pressure ranges ≤ 2 bar)
Non-linearity ≤ 0.1 % of span (≤ 0.15 for pressure ranges ≤ 2 bar) (BFSL) according to IEC 61298-2
Hysteresis ≤ 0.14 % of span
Non-repeatability ≤ 0.12 % of span
1-year stability
≤ 0.25 % of span typ.(at reference conditions)
1) Including non-linearity, hysteresis, zero point and full-scale error (corresponds to error of measurement per IEC 61298-2)
7. Initial start-up and operation GB