WIKA WU-20 Mode D'emploi page 15

7. Starting, operation
Specifications
Response time (10 ... 90 %)
Insulation voltage
Accuracy
Non-linearity
Hysteresis
Non-repeatability
1-year stability
Permissible temperature of
Medium
■
Ambience
■
Storage
■
Medium
■
Ambience
■
Storage
■
Rated temperature range
Temperature coefficients within rated tempera-
ture range (active compensated)
Mean TC of zero
■
Mean TC of range
■
RoHS-conformity
CE- conformitiy
Pressure equipment directive
■
EMC directive
■
Directive ATEX of equipment intended for
■
use in potentially explosive atmospheres
Ex-protection
Ignition protection type
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio, WU-2X
Models WU-20, WU-25 and WU-26
ms ≤ 300
VDC 500
% of span ≤ 0.15 (≤ 0.4 with pressure ranges ≤ 2 bar) RSS (Root Sum Squares) according
to Semi # 3440 draft
≤ 0.3 (≤ 0.6 with pressure ranges ≤ 2 bar) BFSL
% of span ≤ 0.1 (≤ 0.15 for pressure ranges ≤ 2 bar) (BFSL) according to IEC 61298-2
% of span ≤ 0.14
% of span ≤ 0.12
% of span ≤ 0.25 typ. (at reference conditions)
non-Ex
°C -20 ... +100 °C
°C -20 ... +85 °C
°C -40 ... +100 °C
°F -4 ... +212 °F
°F -4 ... +185 °F
°F -40 ... +212 °F
-20 ... +80 °C / -4 ... +176 °F (active compensated)
% of span ≤ 0.1 / 10 K
% of span
≤ 0.15 / 10 K
Yes (not with bayonet connector)
97/23/EC
2004/108/EC, EN 61 326 Emission (Group 1, Class B) and Immunity (industrial
locations)
94/9/EC (for transducer with Ex-marking)
ATEX Category ** 3G (for transducer with Ex-marking)
)
II 3G Ex nA nL IIC T4/T5/T6 X (for transducer with Ex-marking)
** Read the operating conditions and safety-relevant data in the operating
)
instructions.
T4 T5
-20 ... +85 °C -20 ... +60 °C
-20 ... +85 °C -20 ... +60°C
-40 ... +100 °C -40 ... +100 °C
-4 ... +185 °F -4 ... +140 °F
-4 ... +185 °F -4 ... +140 °F
-40 ... +212 °F -40 ... +212 °F
GB
T6
-20 ... +40 °C
-20 ... +40 °C
-40 ... +100 °C
-4 ... +104 °F
-4 ... +104 °F
-40 ... +212 °F
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