WIKA S-20 User Manual

6 WIKA operating instructions pressure transmitter, model S-20
14043170.01 04/2013 GB/D/F/E
GB
2. Safety
WARNING!
Before installation, commissioning and operation, ensure that the appropriate pressure transmitter has been
selected in terms of measuring range, design and specic measuring conditions.
Non-observance can result in serious injury and/or damage to the equipment.
WARNING!
■
Open the connections only after the system has been depressurised.
■
Observe the working conditions in accordance with chapter 3 "Specications".
Further important safety instructions can be found in the individual chapters of these operating instructions.
2.1 Intended use
The pressure transmitter is used to convert pressure into an electrical signal.
With hydrogen applications, use is only permitted when a medium and ambient temperature of 30 °C
is not exceeded.
For applications with direct contact with foodstus this pressure transmitter is not suitable.
The instrument has been designed and built solely for the intended use described here, and may only be used
accordingly.
The technical specications contained in these operating instructions must be observed. Improper handling or opera-
tion of the pressure transmitter outside of its technical specications requires the instrument to be taken out of service
immediately and inspected by an authorised WIKA service engineer.
The manufacturer shall not be liable for claims of any type based on operation contrary to the intended use.
2. Safety

WIKA S-20 Specifications

General

Accuracy	≤ 0.5 % of span
Output Signal	4 ... 20 mA, 0 ... 10 V, 0.5 ... 4.5 V ratiometric
Process Connection	G ¼ NPT, ¼ NPT
Electrical Connection	M12 x 1
Materials (wetted)	Stainless steel
Temperature Range	-40 ... +125 °C
Ingress Protection	IP65
Power Supply	10 ... 30 V DC