EX-DNS025

Honeywell Pressure switch (Ex-d) for aggressive liquid, gas (Ex-DNS)

For monitoring and controlling pressures in Ex-applications in devices of the chemical industry and in the process engineering as well as wherever the pressure of aggressive liquids and gases has to be monitored. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb and Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db
Kind of pressure: overpressure, relative
Pressure connection: internal thread G1/4, external thread G1/2
Electrical connection: terminal connection M16x1,5
IP class: IP65
Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12
Media temp.: -20...60C
Media temp. limit: Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)
Ambient temperature: -20...60C
Ambient temp. limit: at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device
Switch function/capacity: SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive
Certificates: IBExU12ATEX1040 according ATEX 2014/34/EU
IECEx IBE 14.0077
SIL2 according IEC 61508-2
Sensing element material: Stainless Steel
Medium type: agressive liquid or gas
Ex class: Ex-d
Scale calibration: falling pressure

Fixed pressure hysteresis
Pressure adjustment range: 0.04...0.25bar
Switching diff.: 0.03bar
Max. pressure: 6bar