Dwyer 1831系列压差开关
价格:电议
地区:广东省 深圳市
电 话:0755-83692637
传 真:0755-83692660
产品名称:  1831系列压差开关
产品型号:  1831


手动复位,无需电源

介质: 空气和非可燃性兼容气体.

接触材质: 咨询工厂.

温度限制: -30 to 180°F (-34 to 82.2°C).

压力限制: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.

开关类型: 2 SPDT.

驱动时间差: 1 millisecond maximum actuation delay between contacts.

重复性: ±4% max.

电气额定: 4A @ 125/250 VAC.

电气连接: Screw type terminal block.

过程连接: 1/8" female NPT.

安装方向: 膜盒垂直.其它方位咨询工厂.

设定调节: Screw type inside mounting spud.

重量: 1 lb 2 oz (522 g).

 

型号特性
1831-1-RA-SDifferential pressure switch, manual reset, DPDT, activate on increase, silicone diaphragm, range 2.5-9" w.c.
1831-2-RA-SDifferential pressure switch, manual reset, DPDT, activate on increase, silicone diaphragm, range 7.5-23" w.c.

EXAMPLE18311RASATSeries 1831-1-RA-S-AT DPDT Low Differential Pressure Switch, range 2.5-9.0" w.c., manual reset on increase, silicone diaphragm/o-ring, with aluminum tag.
SERIES1831    DPDT Low Differential Pressure Switch
RANGE 1
2
   2.5-9.0" w.c.
7.5-23.0" w.c.
SWITCH STYLE  RA  Manual Reset on Increase
DIAPHRAGM/
O-RINGE MATERIAL
   S
N
F
 Silicone
Nitrile
Silicone Free (Nitrile)
OPTIONS    AT
PRESET
ST
Aluminum Tag
Preset
Stainless Steel Tag