3. Specifications
Specifications
Temperature hysteresis
Long-term drift (per IEC 61298-2)
EN
Temperature error
Derating for cooling elements
Max. permissible ambient tempera-
■
ture
Max. permissible medium tempera-
■
ture
Storage and transport conditions
Permissible temperature range
■
Maximum humidity (per IEC
■
68-2-78)
Climate class
Storage
■
Transport
■
Operation
■
Vibration resistance (per IEC 68-2-6)
Continuous vibration resistance (per
IEC 68-2-6)
Shock resistance (per IEC 68-2-27)
Service life
Free-fall test (following IEC 60721-3-2)
Individual packaging
■
Multiple packaging
■
10
0.1 % of span at > 80 °C (176 °F)
≤ ±0.1 % of span
≤ ±0.2 % of span (with special measuring ranges and measuring ranges < 1 bar (15 psi))
For calibration temperature 15 ... 25 °C (59 ... 77°F)
-20 ... +80 °C: ≤1 % of span
-30 ... +100 °C: ≤1.5 % of span
For measuring ranges < 1 bar (15 psi), special measuring ranges and instruments with an
increased overpressure limit the respective temperature error increases by 0.5 % of span
T
(T
< 125 °C) = 125 °C
amb
med
T
(T
≥ 125 °C) = -0.62 x T
amb
med
T
(T
< 80 °C) = 200 °C
med
amb
T
(T
≥ 80 °C) = -1.61 x T
med
amb
T
= Ambient temperature [°C]
amb
T
= Medium temperature [°C]
med
-40 ... +70 °C (-40 ... +158 °F)
67 % r. h. at 40 °C (104 °F) (in accordance with 4K4H per EN 60721-3-4)
For indoor and outdoor use. Protect the instrument from direct sunlight.
1K3 (per EN 60721-3-1)
2K3 (per EN 60721-3-2)
4K4H (per EN 60721-3-4, without condensation or icing)
20 g, 10 ... 2,000 Hz (40 g, 10 ... 2,000 Hz for circular connector M12 x 1, metallic)
For instruments with cooling elements a limited vibration resistance of 10 g, 10 ... 2,000 Hz,
applies.
10 g
100 g, 6 ms (500 g, 1 ms for heavy-duty connector)
100 million load cycles (10 million load cycles for measuring ranges > 600 bar/7,500 psi)
1.5 m (5 ft)
0.5 m (1.6 ft)
WIKA operating instructions pressure transmitter, model S-20
+ 202 °C
med
+ 326 °C
amb