Wika WUD-26 Uživatelský manuál stáhnout pdf (Strana 12)

Operating instructions/Betriebsanleitung, WUD-2x

11611057.01 GB/D 11/2013

Specications 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

(in Ω)

4 … 20 mA, 3-wire, R

≤ (U+ – 10 V) / 0.02 A

DC 0 ... 5 V, 3-wire, R

> 5 k

DC 0 ... 10 V, 3-wire, R

> 10 k

Power P

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, o

■

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

of span (≤ 0.6

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

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 43 44

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