Wika N-11 Manual do Utilizador descarregar pdf (Página 7)

2147614.07 GB/D/F/E 04/2009

WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio N-10, N-11

2147614.07 GB/D/F/E 04/2009

WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio N-10, N-11

Specifications Model N-10 / N-11

Materials

Wetted parts (Other materials see WIKA diaphragm seal program)

Model N-10 » Stainless steel (> 25 bar stainless steel and Elgiloy

)

Model N-11» Stainless steel

O-ring: NBR {FPM/FKM or EPDM}

Case Stainless steel

Internal transmission fluid Synthetic oil (not for N-10 with pressure ranges > 25 bar)

Power supply UB UB in VDC

10 < UB ≤ 30 with signal output 4 … 20 mA, 2-wire

10 < UB ≤ 30 with signal output 1 … 5 V, 3-wire

{low power 6 < UB ≤ 30}

Signal output and 4 ... 20 mA, 2-wire RA ≤ (UB – 10 V) / 0.02 A

maximum ohmic load RA RA in Ohm 1 ... 5 V, 3-wire RA > 10 k

Response time (10 ... 90 %) ms

≤ 1

Dielectric strength VDC 500

Accuracy % of span

≤ 0.25

(BFSL)

≤ 0.5

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

≤ 0.2 (BFSL) according to IEC 61298-2

Non-repeatability % of span

≤ 0.1

1-year stability % of span

≤ 0.2 (at reference conditions)

Permissible temperature of

Medium

-30 ... +105 °C -22 ... +221 °F

Ambience

-30 ... +80 °C -22 ... +176 °F

Storage

-30 ... +105 °C -22 ... +221 °F

Also complies with EN 50178, Tab. 7, Operation (C) 4K4H, Storage (D) 1K4,

Transport (E) 2K3

Specifications Model N-10 / N-11

Compensated temp range 0 ... +80 °C 32 ... +176 °F

Temperature coefficients within

compensated temp range

Mean TC of zero % of span

≤ 0.2 / 10 K (< 0.4 for pressure range ≤ 0,25 bar)

Mean TC of range % of span

≤ 0.2 / 10 K

CE- conformitiy

Pressure equipment directive 97/23/EC

EMC directive 89/336/EEC emission (class B) and immunity according to EN 61 326

Directive ATEX of equipment

intended for use in potentially

explosive atmospheres



94/9/EC

Ex-protection ATEX II 3G EEx nA II

II 3D IP65 T80°C

Ignition protection type EEx nA II 4 EEx nA II T5 EEx nA II T6

Conformity specifications

Power supply UB VDC 30 30 30

Medium -30 ... +105 °C -30 ... +80 °C -30 ... +60 °C

-22 ... +221 °F -22 ... +176 °F -22 ... +140 °F

Ambient » M12x1 -25 ... +90 °C -25 ... +80 °C -25 ... +60 °C

-13 ... +194 °F -13 ... +176 °F -13 ... +140 °F

» Flying leads -30 ... +80 °C -30 ... +80 °C -30 ... +60 °C

-22 ... +176 °F -22 ... +176 °F -22 ... +140 °F

Storage -30 ... +105 °C -30 ... +105 °C -30 ... +105 °C

-22 ... +221 °F -22 ... +221 °F -22 ... +221 °F

RF-immunity V/m 10

Burst KV 4

Shock resistance g 1000 according to IEC 60068-2-27 (mechanical shock)

Vibration resistance g 20 according to IEC 60068-2-6 (vibration under resonance)

7. Starting, operation

1 2 3 4 5 6 7 8 9 10 11 12 ... 34 35

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