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WIKA operating instructions Ultra High Purity transducer, model WUD-2x
11611057.05 08/2021 EN/DE
EN
9. Specifications
Specifications
Models WUD-20, WUD-25 and WUD-26
Non-linearity
≤ 0.1 % of span (≤ 0.15 with measuring ranges ≤ 2 bar) (BFSL) per IEC 61298-2
Non-repeatability
≤ 0.12 % of span
Stability per year
≤ 0.25 % of span typ. (at reference conditions)
Permissible temperature
ranges
Medium
-20 ... +100 °C [-4 ... +212 °F]
Ambient
-10 ... +60 °C [14 ... 140 °F]
Storage
-10 ... +60 °C [14 ... 140 °F]
Rated temperature range
-20 ... +80 °C [-4 ... +176 °F] (actively compensated)
Temperature coefficients in rated temperature range (actively compensated)
Mean TC of zero
≤ 0.1 % of span/10 K
Mean TC of span
≤ 0.15 % of span/10 K
CE mark
Pressure equipment
directive
2014/68/EU
EMC directive
2014/30/EU, EN 61326 emission (group 1, class B) and interference immunity
(industrial application)
RoHS directive
2011/65/EU
Production environment
Clean room class 5 per ISO 14644
Packaging
Double-bagged per SEMI E49.6
Shock resistance
15 g (11 ms); 30 g (6 ms)
Vibration resistance
7.5 mm or 2 g (1 ... 200 Hz) / 5 g
Electrical safety
Short-circuit resistance
S+ vs. U-
Reverse polarity protection
U+ vs. U-