Wika WU-16 Uživatelský manuál stáhnout pdf (Strana 7)

2460160.06 GB/D/F/E 01/2010

WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X

2460160.06 GB/D/F/E 01/2010

WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X

Specifications Model WU-1X

WU-10 / WU-15

WU-16

Pressure ranges bar 4 7 10 16 25 40 60 100 160 250 400

psi 60 100 160 250 300 500 1000 1500 2000 3000 5000

Over pressure safety

bar 8 14 20 32 50 80 120 200 320 500 500

Burst pressure

bar 40 70 100 160 250 400 550 720 720 720 720

Other pressure ranges and pressure units (e.g. MPa, kg/cm

) on request

1 bar = 14.50 psi

Measuring principle Metal thin-film sensor

Materials

 Wetted parts 2.4711 Elgiloy

(Sensor); 316L VIM/VAR (Pressure connection)

 Case Stainless steel

Surface finish Electropolished, typical

Ra ≤ 0.18 µm (RA 7); Ra max ≤ 0.25 µm (RA 10)

Dead volume WU-10 < 1500, WU-15 < 1000, WU-16 < 1000

Permissible Medium Liquid / Gas / Vapour

Power supply U

B UB in VDC

10 < U

B ≤ 30 (14 ... 30 V with output signal 0.1 ... 10.1 V and 0...10 V)

Capacitive load µF Max. 0.1 (Voltage output)

Max. current output mA < 1 Voltage output; Source

mA < 30 Current output

Adjustability zero % of span ± 5 via potentiometer

Response time (10 ... 90 %) ms

≤

Dielectric strength VDC 500

Accuracy % of span

≤

0.25 for pressure ranges > 4 bar (BFSL)

% of span

≤

0.5 for pressure ranges ≤ 4 bar (BFSL)

% of span

≤

0.5

for pressure ranges > 4 bar

% of span

≤

1.0

for pressure ranges ≤ 4 bar

Specifications Model WU-1X

Including non-linearity, hysteresis, zero point and full scale error (corresponds to

error of measurement per IEC 61298-2).

Adjusted in vertical mounting position with lower pressure connection.

Non-linearity % of span

≤

0.15 for pressure ranges > 4 bar (BFSL) according to IEC 61298-2

% of span

≤

0.3 for pressure ranges ≤ 4 bar (BFSL) according to IEC 61298-2

1-year stability % of span

≤

0.2 (at reference conditions)

Permissible temperature of

 Medium -40 ... +100 °C -40 ... +212 °F

 Ambience -20 ... +85 °C -4 ... +185 °F

 Storage -40 ... +100 °C -40 ... +212 °F

Compensated temp range -20 ... +80 °C -4 ... +176 °F

Temperature coefficients within

compensated temp range

 Mean TC of zero % of span

≤

0.1 / 10 K

 Mean TC of range % of span

≤

0.15 / 10 K

CE- conformitiy

 Pressure equipment directive 97/23/EC

 EMC directive

2004/108/EC, EN 61 326 Emission (Group 1, Class B) and

Immunity (industrial locations)

 Directive ATEX of equipment

intended for use in potentially

explosive atmospheres

94/9/EC

Shock resistance g 500 according to IEC 60068-2-27 (mechanical shock)

Vibration resistance g 10 according to IEC 60068-2-6 (vibration under resonance)

Wiring protection

 Short-circuit proofness Sig+ towards U

B- (short-time)

 Reverse polarity protection U

B+ towards UB-

Weight kg Approx. 0.1

7. Starting, operation

1 2 3 4 5 6 7 8 9 10 11 12 ... 36 37

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