Dwyer 1800系列 压差开关

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Dwyer 1800系列 压差开关

品牌:DWYER
气体差压开关;可调范围:从17.5~55Pa到2.25~21.25kPa;重复精度:±2%FS
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1800系列 工业级微差压开关尺寸小、价格低,重复精度为2%,广泛用于各种工业场合。可墙面或仪表盘面板上安装,并能很方便的调整设定点。产品通过了UL和CSA,FM的认证。
警告:只能用于空气及兼容气体

技术参数 :

介质:空气和不易燃,兼容气体
材质:请向厂家咨询
温度范围:-30 至180°F(-34 至82.2°C)。1823-00,-20 至180°F(-28.9
至82.2°C)
压力范围:持续压力10 psig(68.95 kPa),冲击压力25 psig(172.4 kPa)
开关类型:单刀双掷(SPDT)
可重复性:±2%
电气指标:15 A @ 120-480 VAC,60 Hz. Resistive 1/8 HP @125 VAC,1/4
HP @ 250 VAC,60 Hz. De-rate to 10 A for operation at high cycle rates.
电气连接:3 个旋紧接线端,一般,常开和常闭
连接件:1/8? NPT。内螺纹
安装定位:膜片用于垂直方向,其它定位请向厂家咨询
设定点调节:外壳内螺丝调节
重量:1 lb,5 oz(595 g)
机构认证:CE,UL,CSA,FM.

产品选型 :



选项及配件 :


OPTIONS:
Weatherproof Housing - 16-ga. steel enclosure with gasketed cover (NEMA 4, IP66) for wet or oily conditions. Withstands 200 hour salt spray test. Wt. 5-1/2 lbs. (2.5 kg). Switch must be factory installed. Change 1823 base number to 1824 and add -WP suffix. Example: 1824-1-WP.
Explosion-proof Housing - Cast iron base with aluminum cover. Rated Class I, Group D; Class II, Div. 1 & 2, Groups E,F,G; Class III and NEMA 7 C,D, NEMA 9 E,F,G. Wt. 7-1/2 lbs. (3.4 kg). Switch must be factory installed. Change base number to 1824 and add -EXPL suffix. Example: 1824-1-EXPL.
MIL Environmental Construction - Unlisted Model 1820 can be furnished with a special sealed snap switch for protection against high humidity, fungus and/or military applications. Similar to Model 1823 except dead band is slightly greater and some lower set points may not be possible. To order, add suffix -MIL. Example: 1820-2-MIL.
ACCESSORIES:
A-389 - Mounting bracket, 16 ga steel, zinc plated and Dichromate dipped for corrosion resistance.
A-489 - 4" 303 SS straight static pressure tip with flange.
A-491 - 6" straight SS static pressure tip with mounting flange.
A-493 - 8" straight SS static pressure tip with mounting flange.
A-302F-B - 303 SS Static pressure tip with mounting flange, for 3/16" rubber or plastic tubing. 6" insertion depth, includes mounting screws
A-302F-A - 303SS static pressure tip with mounting flange, 4" hook style. For 3/16" ID rubber or plastic tubing, includes mounting screws.
A-302F-C - 303 SS Static pressure tip with mounting flange, for 3/16" rubber or plastic tubing. 8" insertion depth, includes mounting screws