WIKA PSD-4 User Manual

14208834.01 07/2017 EN/DE/FR/ES
29WIKA operating instructions pressure switch, model PSD-4
EN
Specications
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)
Humidity 45 ... 75 % r. h.
Power supply DC 24 V
Mounting position Calibrated in vertical mounting position with process connection facing downwards.
Operating conditions
Permissible temperature ranges Medium: -20 ... +85 °C (-4 ... +185 °F)
Ambient: -20 ... +80 °C (-4 ... +176 °F)
Storage: -20 ... +70 °C (-4 ... +158 °F)
Nominal temperature: 0 ... 80 °C (32 ... 176 °F)
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)
Service life, mechanics 100 million load cycles (10 million load cycles for measuring ranges > 600 bar/7,500 psi)
Ingress protection IP65 and IP67
The stated ingress protection (per IEC 60529) only applies when plugged in using mating
connectors that have the appropriate ingress protection.
Mounting position as required
Pollution degree max. 3
Humidity ≤ 45 ... 75 % r. h.
UV irradiation With a high ambient temperature and a high UV irradiation, the pressure switch must be
installed with additional covering in order to avoid damage to the digital indicator and buttons.
9.Specications
MAKGIL VIET NAM

WIKA PSD-4 Specifications

General

Brand	WIKA
Model	PSD-4
Category	Switch
Language	English