utilizes a vapor-pressure thermal system. Fluid vapor pressure changes predictably according to the influence of temperature on the nsing bulb. Process temperature changes cau proportional vapor pressure changes in the temperature nsing bulb that act on the diaphragm/piston asmbly to actuate and deactuate a snap-action electrical switching element at discrete process temperatures. The instrument’s behavior is determined by the vapor pressure principle.
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Application Information
Basic models with direct and six-foot remote
temperature bulbs can be specified from the quick lection guide on page 5.
More specific application requirements can be met by lecting optional components, such as housings and electrical switching elements, from the balance of the catalog.
Electromechanical
T emperature Switches
Form 220
The SOR ® Electromechanical
T emperature Switch
T emperature Switches Features
Vapor Pressure Principle
● Device’s behavior is predictable and
in accordance with the vapor pressure principle.
● Minimal ambient temperature influence,
fast respon, high r epeatability, narrow dead band.
Vapor Fill Fluid
● Excellent chemical and thermal
stability, predictable temperature-vapor pressure curve, nonflammable, low
toxicity.
Direct Immersion Temperature Sensing Bulbs
● 316SS can withstand 2300 psig
(1000 psig on 105 range) without
thermowell; faster respon time;
lower cost.Remote Mount Sensing Bulbs
● 316SS capillary tube with 300 Series SS
armor allows instrument to be panel
mounted and bulb to be remotely located.
● Standard 300 Series SS armor protects
capillary.
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Snap-Action Electrical Switching Element
● Long life, high load capacity, high ambient
luciastemperature limit, innsitive to vibration, SPDT or DPDT switching action,
optional “hermetically aled” capsule
for hazardous locations and hostile
environments.
Agency Listings/Certification
● Select models with UL, CSA, ATEX, SAA. Factory Calibration
● FREE! Calibrated to customer’s Set
Point, ready to install.
Warranty
● 3 years from the date of manufacture.
How the SOR T emperature Switch Works
The SOR temperature switch consists of a pressure switch that has a aled temperature nsing bulb attached directly to the pressure port. (An optional remote temperature nsing bulb can be connected to the pressure port with an armor-clad capillary.) The temperature nsing system is part
ially filled with a fluid. Process temperature changes cau proportional vapor pressure changes in the temperature nsing bulb that act on the diaphragm/piston asmbly to actuate and deactuate a snap-action electrical switching element at discrete process temperatures. The instrument’s behavior is determined by the vapor pressure principle. (The 105 range unit is similar, except the fill fluid is inert gas.)divide是什么意思
timesnewromanDual (Hi-Lo)
SOR temperature switches in this catalog may be specified with two Set Points. The two Set Points may be t at either the same actuation point or split up to full scale with no interaction between Set Points. The Dual Hi-Lo is available with hermetically aled, explosion proof, UL Listed and CSA Certified electrical switching elements or with a wide lection of UL Listed and CSA Certified snap-action switching elements for both AC and DC rvice. The housing lection must be V1 or V2. See page 8.
T emperature Switches
Principle
Switching Element顺时针方向
Temperature Range Scale
Housing
Piston Asmbly
long time no e什么意思Armored Capillary
Temperature Sensing Bulb
Fluid/Vapor
Welded Diaphragm System
Range Springriyo mori
Temperature Set Point
Adjusting Nut
T emperature Switches
How to Order
Quick Selection Guide
Basic SOR temperature switches with standard parts are normally suitable for a variety of
industrial applications. Refer to the Quick Selection Guide ction on page 5. Corrosive rvice and particular customer requirements may require optional components. Refer to the How to Order ction on this page or the dedicated page to locate optional components, such as: housings, switching elements, and accessories. Each position in the model number, except Accessories, must have a designator.
Applications
SOR temperature switches in this catalog are suitable for a wide variety of process and fluid power applications. Specific application requirements can normally be met by lecting optional components, such as switching elements. Certain applications may require customized specials. Consult area reprentative or the factory.
Weathertight, conventional explosion-proof and hermetically aled, explosion-proof models are pre
环保材料英语nted in this catalog.
How to Order
Steps 1 through 4 are required; steps 5 and 6 are optional. Orders must have complete model numbers, i.e. each component must have a designator.
Step 1: Determine if direct or remote (and capillary length) nsing is required. Select temperature Sensing Bulb Designator from specifications (page 6).
Step 2: Determine the adjustable range required. Select Range Designator , from specifications (page 7). Step 3: Select Housing for type of rvice (pages 8 and 9). Note: Diaphragm designator is U9 in all cas except when a BH or BG housing is lected, then u U8 as diaphragm designator.Step 4: Select Switching Element for housing and electrical rvice (page 10).Step 5: Select Accessories as required for rvice (page 12).
Step 6: Determine if Thermowell is required. Select from tables on page 13 and order as a parate item.If Agency Listed, Certified or Approved temperature switches are required, e page 14 for components that must be specified.
Model Number System
201 AH-EF 125-U9 -C7A-TT
Temperature Bulb Type
Housing
Switching Element
Adjustable Range
妈的英语Diaphragm System
Pressure Port
Accessories
T emperature Switches
Quick Selection Guide
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