WIKA PSD-4-ECO, Operating Instructions Manual

Page: 30 / 140

14247391.01 07/2019 EN/DE/FR/ES
30 WIKA operating instructions, model PSD-4-ECO
EN
Specifications
Accuracy, switching output ≤ ±1.0 % of span
Temperature error in nominal
temperature range
maximum: ≤ ±1.5 % of span
maximum: ≤ ±2.5 % of span for increased overload safety
Temperature coefficients in
nominal temperature range
Mean TC zero point ≤ ±0.16 % of span/10 K
Mean TC span ≤ ±0.16 % of span/10 K
Reference conditions (per IEC 61298-1)
Ambient temperature
15 ... 25 °C [59 ... 77 °F]
Atmospheric pressure 860 ... 1,060 mbar [12.5 ... 15.4 psi]
Air humidity 45 ... 75 % r. h.
Power supply DC 24 V
Mounting position Process connection lower mount
Operating conditions
Permissible temperature ranges
Medium -25 ... +85 °C [-13 ... +185 °F]
Option: -40 ... +125 °C [-40 ... +257 °F] 1)
1) Medium temperature restricted to -30 ... +85 °C [-22 ... +185 °F] with UL approval
Ambient -20 ... +85 °C [-22 ... +185 °F]
With ambient temperatures less than -20 °C, the turning of the display head and button opera-
tion is not permitted.
Storage -40 ... +70 °C [-40 ... +158 °F]
Nominal temperature -20 ... +80 °C [-4 ... +176 °F]
Air humidity 45 ... 75 % r. h.
Vibration resistance 20 g, 10 ... 2,000 Hz (IEC 60068-2-6, under resonance)
Shock resistance 50 g, 6 ms (IEC 60068-2-27, mechanical)
9. Specifications