- Valves[5]
- Other Measuring & Analysing Instruments[3]
- Pressure Switches[6]
- Other Flow Measuring Instruments[6]
- Instrument Parts & Accessories[2]
- Pressure Gauges[6]
- Other Electronic Measuring Instruments[3]
- Communication Cables[1]
- Other Pressure Measuring Instruments[3]
- Flow Meters[6]
- Temperature Instruments[6]
- Pressure Transmitters[6]
- Contact Person : Ms. huo yvette
- Company Name : Shannxi Xiyi Automatic Control Equipment Co., Ltd.
- Tel : 86-029-88632370
- Fax : 86-029-88644940
- Address : Shaanxi,xi'an,No.143,LAODONG road,LIANHU District,XI'AN City
- Country/Region : China
- Zip : 710082
hermetically sealed pressure switches
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Overview
Approved for Division 2 hazardous locations and corrosive atmospheres, the 117 Series can be used to measure vacuum, pressure, differential pressure or temperature in a variety of applications. Its compact, epoxycoated enclosure and hermetically sealed snap switch provide superior corrosion resistance within the harshest environments. Popular sensors in a variety of materials are available, ranging from all welded stainless steel to elastomer diaphragms. Rugged, reliable and cost effective, the 117 Series is an ideal choice for the most demanding applications; typically wastewater treatment, pulp and paper mills, food and beverage plants, steel and aluminum mills, petrochemical, and pharmaceutical plants.
features
epoxy coated type 4X enclosure and stainless steel component Parts Hermetically sealed snap switch, sPDt or DPDt Output terminal Block Wiring
tamper-resistant set Point “lock” adjustable ranges:“wc ranges: 300 “wc vacuum to 250 “wc pressure (-747 to 622 mbar)Pressure: 30 “Hg Vac to 3500 psi (-1 to 241 bar)Differential Pressure: 0.8 “wcd to 500 psid (2 mbar to 34.5 bar)Temperature: -120 to 640°F (-85 to 338°C)
specifications
Storage temperature -65° to 160°F (-54 to 71°C)ambienttemperature limitS -40° to 160°F (-40° to 71°C); except models 520-525, 540-548, 700-706: 0 to 160°F (-18 to 71°C); set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature changeSet point repeatability Temperature models: ± 1% of adjustable range Pressure models 171-174, 218, 358-376, 520-535, 540-543, 560-564 and 700-706: ± 1% of adjustable range; models 183-194, 544-548, 483-494, 565-567: ± 1.5% of adjustable range Internal set point lock on all pressure modelsShock Set point repeats after 15 G, 10 millisecond durationVibration Set point repeats after 2.5 G, 5-500 HzencloSure Die cast aluminum, epoxy powder coated, gasketed; captive cover screws; stainless steel nameplateencloSure claSSification Enclosure Type 4X Switch output One SPDT hermetically sealed snap action switch; switch may be wired “normally open” or “normally closed”; DPDT (option 1190/1195)electrical rating 11 A 125/250 VAC resistive; 5 A @ 28 VDC; 1 A @ 48 VDC; 1/2 A @ 125 VDC; switch contacts gold flashedweight 1.5-6.5 lbs. Varies with modelelectrical connection 1/2” NPT (female); two 7/8” diameter knockouts preSSure connection Models 218, 358-376, 700-706: 1/4” NPT (female); models 171-194, 483-494, 520-535: 1/2” NPT (female); models 560-564: 2” sanitary connection; models 565-567: 1.5” sanitary connection, models 540-548: 1/8” NPT (female)temperature aSSembly Bulb and capillary: 6 feet; 304 stainless steel Immersion stem: nickel-plated brass (standard length only); optional 316L stainless steelfill Non-toxic oil filledtemperature deadband Typically 4% of range under laboratory conditions (70°F ambient circulating bath at rate of 1/2°F per minute change)reference Scale Pressure: “Low-Medium-High” increm
hermetically sealed pressure switches
