南粤风采36选7走势图

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Dwyer 防爆差压开关 AT3A3000

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Dwyer FANGBAOCHAYAKAIGUAN AT3A3000SHIJIEHEDUOGONGNENG、GAOZHONGFUYALIKAIGUANHEJINGMIDEBINGJINGSHIJIANYANZHENGDESHEJIDECHAYABIAOWEIYITI。KEYICELIANGHEKONGZHIKONGQIHEJIANRONGQITIDEZHENGYA、FUYAHECHAYA

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Dwyer 防爆差压开关 AT3A3000

Photohelic差压开关表A3000是结合多功能、高重复压力开关和精密的并经时间验证的Magnehelic®设计的差压表为一体。Photohelic®可以测量和控制空气和兼容气体的正压、负压和差压。标准型额定压力25psig(1.7bar),可选压力范围35psig(2.4bar)或80psig(5.5bar)。36000S型只可测量单正压并可达到6000psig(413bar),其额定值为9000psig(620bar)。

LIANGGEGUANGDIANJINGTIGUANQUDONGDEDPDTJIDIANQI,YONGYUDI/GAOXIANKONGZHI。TONGGUOMIANBANDEXUANNIUSHISHEZHIDIANZHISHIQIYIYUDIAOJIEKONGZHI。DANGESHEDINGDIANSIQUJINWEIYIGEZHIZHENKUANDU-XIAOYUMANLIANGCHENGDE1%。SHEDINGDIANKEHUSUOYITIGONGBUTONGSIQU-YONGYUKONGZHIFENGSHAN、ZUNIQIDENG。YIBIAODEDUSHUSHILIANXUDE,BUSHOUKAIGUANDONGZUOYINGXIANG,JISHIZAIDIAODIANQINGKUANGXIA,YEKEDUSHU。LIANGCHENGCONG0-.25" (0-6 mm) w.c. DAO 30 psi (21 bar);DANZHENGYADAO6000 psig (413bar)。

 

Photohelic差压开关表A3000

DIANXINGDEYINGYONGCHANGHE,ZHEIXIEDwyerKAIGUAN/BIAOZAIGAO、DIYASHEZHIDIANZHIJIANJINXINGKONGZHI。DANGYALIBIANHUADADAOGAOJIHUODIXIANSHEDINGDIANDEYALISHI,XIANZHIGUANGOUDEHONGWAIDENGLUOXUANQUDONGKUAIMENXIMIE。GUANGOUXINHAOJINGGUOFANGDAQUQUDONGDPDTJIDIANQICHANSHENGKAIGUANDONGZUO。SIQUWEIMANKEDUDE1%HUOGENGXIAO--ZUGOUBAOZHENGJUEDUIDE,WUZHENDONGGONGZUO。

 

继电-变压器的特点

南粤风采36选7走势图SULIAOWAIQIAOBAOHULESUOYOUDEDIANQIYUANJIAN。GUTAIJICHENGDIANLUBEIZHUANGPEIZAIHUANYANGSHUZHIBOLIDIANLUBANHEZIDONGXIMIEZHONGDUANBANSHANG。(JINDUIYUA3000XILIE)

 

应用--PHOTOHELIC 开关/表

南粤风采36选7走势图YALIKAIGUAN/BIAOWEININTIGONGYALIZHISHIHEGAO/DIXIANKAIGUANKONGZHI。DUIYUOEMHEXIANCHANGYINGYONG,PhotohelicKAIGUAN/BIAOBEIYONGYUKONGDIAOXITONG、JIEJINGSHI、YEYAHEQIDONGKONGZHIXITONG、CAILIAOCHULISHEBEI,BAOJINGHEKONGZHIFEIQIPAIFANGXITONG,KONGZHIQITIJIEGOUDEYALIHEXUELIUJIANCEHEHUXIJIANCE。

 

规格

表规格

介质:空气和不易燃的,兼容的气体

精度:70℉(21.1℃)时满量程为±2%;(A3000-0满量程时±3%).(A3000-00满量程时±4%)

额定压力南粤风采36选7走势图:-20″Hg到 25 psig(-0.677bar到1.72 bar); MP中压可选:35 psig(2.41 bar);HP 高压可选:80 psig(5.52 bar). 36003S-36010S:150psig(10.34bar);36020S和更高的:1.2倍满刻度压力

温度范围: 20-120℉(-6.67-48.9℃),低温可选

压力连接南粤风采36选7走势图: 1/8"FNPT阴螺纹

尺寸南粤风采36选7走势图:4英寸(101.6mm)直径表盘, 5" (127 mm) O.D. x 8-1/4" (209.55 mm)

重量南粤风采36选7走势图: 4磅 (1.81 KG)

Photohelic指针显差压开关表

开关规格

开关类型:每个触点有2个C形继电器(DPDT)

可重复性南粤风采36选7走势图:满量程时±1%

电力额定值南粤风采36选7走势图:10A@28VDC,10A@120,240VAC

电气连接:螺丝接线端,仅能使用铜接头167°F (75°C)

电源要求南粤风采36选7走势图:120 VAC, 50/60 Hz; 240 VAC & 24 VAC 电源可选

安装方位南粤风采36选7走势图:垂直安装,其它方位咨询工厂

设定点调节:调节扭在面板

机构认证:UL, CSA, CE.

 

Series AT3A3000 ATEX/IECEx Approved Photohelic® Switch/Gages

Photohelic® Switch/Gages in Flame-Proof Enclosures

Flame-proof ATEX/IECEx approved Series AT3A3000 Photohelic® Switch/Gages , function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. The Photohelic® switch/ gage measures and controls positive, negative or differential pressures of air and compatible gases. Standard models are rated to 25 psig (1.7 bar) with options to 35 psig (2.4 bar) or 80 psig (5.5 bar). Two phototransistor actuated, DPDT relays are included for low/high limit control. Easy to adjust set point indicators are controlled by knobs located on the gage face (accessible opening case after de-energizing instrument). Set points can be interlocked to provide variable dead band– ideal for control of fans, dampers, etc. Gage reading is continuous and unaffected by switch operation, even during loss of electrical power. Flame-proof enclosures are available in aluminum with glass window which allows for viewing of set point needles and process pressure.

标准型号

SHIYONGLIANGGEGUANGDIANJINGTIGUANHELIANGGEDPDTJIDIANQIYONGYUGAO/DIBAOJINGHUOXIANZHIKONGZHI。DANGBIAODEZHIZHENYIDAOSHEDINGDIANDEZUOBIANSHI,JIDIANQIDEDIANLIUBEIQIEDUAN;DANGBIAODEZHIZHENYIDAOSHEDINGDIANDEYOUBIANSHI,JIDIANQIJIANGJIETONGDIANYUAN。DUITINGDIANHUOWUYATIGONGLEZIDONGFANGGUZHANGBAOHU。

 

选项

单接点—右设定点,用于压力的升高或下降动作。

OEM型—相对其它型号,可选择更少的继电器和变压器元件和外壳,但包括红外二极管、光电晶体管、遮光器和设定指针,适用于单/双触点。

远程安装继电器南粤风采36选7走势图—继电器包离仪表可以远程安装,标准长度是5英尺,可订购其它您所需的电缆长度。

增强型旋钮南粤风采36选7走势图—可获得低温选项、特殊刻度,电压和其它特色和修改是可能的。

特殊外壳南粤风采36选7走势图—具有全天候防雨外壳(NEMA 4)和防爆(NEMA 7 CD,9 EFG;NEC Class I,DIV 1&2,Gr C, D; Class II,DIV 1&2 Gr E,F,G; Class III)。需要详细的尺寸图请客户服务部

高、低自锁电路—Dwyer-Photohelic 压力开关/表电路接线可以是高自锁电路、低自锁电路和高低自锁电路三种。这就是说,设备一旦触发,它们将保持各自的状态,直到手动复位。对于报警和信号应用尤其有用,在这种场合下报警或信号控制采用另一个Photohelic 压力开关/表或其它方法完成。附带有完整的接线和操作说明书。手动复位需要一个干电路按钮例如Dwyer Part A-601。

 

 

 

 

 

Dwyer 防爆差压开关 AT3A3000

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