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Murphy 130-250F Direct Mount Temperature Swichgage 2 in. w/ Sensing Bulb and Plated Steel Case - 20SD-250-1/2

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Murphy 130-250F Direct Mount Temperature Swichgage 2 in. w/ Sensing Bulb and Plated Steel Case - 20SD-250-1/2
The Murphy 130-250F Direct Mount Temperature Swichgage 2 inch 20SD-250-1/2 is a diaphragm-actuated, temperature-indicating gage with a built-in electrical switch for tripping alarms and/or shutdown devices. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. This Swichgage features a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading. The gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are isolated through ground. This gage has a self-cleaning motion to enhance electrical continuity. This model has no capillary tube. FEATURES:2 inch/51 mm DialPolycarbonate, High-Impact LensPolished Stainless Steel BezelContact Grounds Through CaseCombination Indicating Gage and Limit SwitchSwitch Can Activate Alarms and/or Shut Down EquipmentEnclosed in a Steel Case Coated to Resist CorrosionIncludes 11/32 x 1-1/2 in. (9 x 38 mm) sensing bulbApplications: Industrial engines and equipment in Oil Field, Marine, Irrigation Construction and Trucking industries. Monitoring Engine Coolant, Crankcase Oil and Transmission OilPRODUCT SPECIFICATIONS:Part No.: 20SD-250-1/2Range: 130-250°F (60-121°C)Dial: White on black; U.S.A. standard scale is dual scale °F/°CCase: Plated steelBezel: Polished stainless steelPointer: Tempered nickel silverLens: Polycarbonate, high-impactSensing Element: Beryllium copper diaphragmSensing Bulb: CopperGage Accuracy: Temperature Range 130 to 250°F (54 to 121°C); Lower 1/3 of Scale ± 9°F (± 5°C); Middle 1/3 of Scale ± 5°F (± 2.4°C); Upper 1/3 of Scale ± 4°F (± 2°C)Maximum Temperature: 310°F (154°C)Standard Setting: 210°F (99°C)Adapter Nut: 1/2-14 NPTAdjustable Limit Contact: SPST contact; pilot duty only, 2 A @ 30 VAC/ VDC; Ground path through encasement. Normally Closed (NC) when the high limit is met. Normally Open (NO) when pointer is in normal operating range. Contacts are gold flashed silverLimit Contact Adjustment: by a 1/16 in. hex wrench thru 100% of the scaleLimit Contact Wire Leads: 18 AWG (1.0 mm2) x 12 in. (305 mm)Unit Weight: 12.7 oz. (0.39 kg)Unit Dimensions: 4-3/4 x 4-3/4 x 2-3/4 in. (121 x 121 x 70 mm)
  • Availability: In Stock
  • Brand: Murphy
  • Mpn: 20SD-250-1/2
  • Shipping Weight: 0.91
  • Website: http://www.PartDeal.com
  • Call To Order: 1-800-548-1191




$94.25
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Seller Info
Sign-in Name: PartDeal (0) 
Member Since: 30-Aug-2013
Last Login: 2 weeks ago
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Listing Info
Asking Price: $94.25 US Dollars
Refund Policy: Ask seller for details.
Date Posted: more than 1 month ago



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