◆ Explosion proof type indicating pressure switch ◆
● Model : P990
● Service intended :
P990 series explosion proof type indicating Pressure Switches are micro contact type which are suitable for corrosive fluid and a high pressure measurement. deadband is fixed.
● Nominal diameter : 125mm
● Adjustable range (MPa, kpa, bar)
·-0.1 ~0 to -0.1 ~ 2.5MPa
·0~ 0.1 to 0 ~ 40MPa
● Repeatability : ±1.0% of adjustable range
● Accuracy :
- Indicator : ±1.5% of full scale
- Switch Setting : ±3% of full scale
● Dead band :
- One SPDT : 5 ~ 6% of full scale
- Tow SPDT : 12% of full scale
● Working temperature :
- Ambient : -20 ~ 60°C
- Fluid : -20 ~ 80°C
● Pressure connection : Staninless steel(316SS)
● Element :
·Stainless steel (316SS)
·< 10MPa : C type bourdon tube
·≥10MPa : helical type bourdon tube
● Case & cover :
- Aluminum ALDC 12.1,
- Silver Gray Painted
● Contact :
- Micro contact type
- One SPDT
- Two SPDT(dual set point)
- One DPDT
●Contact rating :
- AC 125V/250V 15A
- DC 30V 2A
- DC 125V- 0.5A for resistance Load
- AC 125V/250V 15A
- DC 30V 1A
- DC 125V 0.05A for lnductive Load
●Enclosure class :
- Ex d ⅡB+H2 T6 (KOSHA)
- Setting external
● Conduit connection : 3/4" PF (F)
● Process connection : 3/8", 1/2", PT, NPT & PF
● Approval : KOSHA 10-AV2B0-0272
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