| utilizes a |
| vapor-pressure thermal system. Fluid vapor |
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| pressure changes predictably according to the |
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| influence of temperature on the sensing bulb. |
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| Process temperature changes cause proportional |
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| vapor pressure changes in the temperature |
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| sensing bulb that act on the diaphragm/piston |
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| assembly to actuate and deactuate a snap-action |
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| electrical switching element at discrete process |
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| temperatures. The instrument’s behavior is |
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| determined by the vapor pressure principle |
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| 详细说明： |
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| Vapor Pressure Principle |
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| l Device’s behavior is predictable and |
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| in accordance with the vapor pressure |
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| principle. |
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| l Minimal ambient temperature influence, |
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| fast response, high repeatability, narrow |
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| dead band. |
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| Vapor Fill Fluid |
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| l Excellent chemical and thermal |
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| stability, predictable temperature-vapor |
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| pressure curve, nonflammable, low |
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| toxicity. |
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| Direct Immersion T emperature |
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| Sensing Bulbs |
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| l 316SS can withstand 2300 psig |
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| (1000 psig on 105 range) without |
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| thermowell; faster response time; |
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| lower cost. |
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| Remote Mount Sensing Bulbs |
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| l 316SS capillary tube with 300 Series SS |
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| armor allows instrument to be panel |
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| mounted and bulb to be remotely located. |
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| l Standard 300 Series SS armor protects |
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| capillary. |
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| Snap-Action Electrical Switching Element |
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| l Long life, high load capacity, high ambient |
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| temperature limit, insensitive to vibration, |
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| SPDT or DPDT switching action, |
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| optional “hermetically sealed” capsule |
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| for hazardous locations and hostile |
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| environments. |
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| Agency Listings/Certification |
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| l selec models with UL, CSA, ATEX, SAA. |
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| Factory Calibration |
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| l FREE! Calibrated to customer’s Set |
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| Point, ready to install. |
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| Warranty |
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| l 3 years from the date of manufacture. |
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