德国FEMA菲玛压力开关，DCM1000，HONEYWELL旗下

DCM1000

Alerton Pressure switch for liquid, gas, small range (DCM)

For overpressure monitoring of non-aggressive liquids and gaseous media.
Kind of pressure: overpressure, relative
Pressure connection: internal thread G1/4, external thread G1/2
Electrical connection: Plug DIN EN 175301
Protection class: IP54
Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12.
Media temp.: -15...60C
Media temp. limit: temperatures up to 85 oC are allowable for short periods. 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: -15...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 5 A inductive, 8 A resistive
Optional functions: add the type numbers below to the listed type numbers for extra functionality as described
-301: terminal connection housing, IP65
-213: gold-plated contacts, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA. And others not available with adjustable switching difference.
-351: protection class IP65 and switching housing with surface protection (chemical version)
-513: gold-plated contacts, switching differential permanent, IP65, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA; suitable isolating switching amplifier, degree of protection Ex-i

Fixed pressure hysteresis
Pressure adjustment range: 10...100mbar
Switching differential: 12mbar
Max. pressure: 10bar
Sensing element material: Perbunan + Brass