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Vapor- and Gas-Actuated Thermometers

Vapor- and Gas-Actuated Thermometers
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Vapor- and Gas-Actuated Thermometers - 1

Vapor- and Gas-Actuated Thermometers T-VA/Line Dwg U ccuracy ±1 Scale A Division or 1% Scale for Gas U rass Movement with B Precision Gearing U hite Dial W with Black Graduations U Phosphor Bronze T-VA/Line Bourdon Tube Dwg OMEGA® remote vapor- and gas-actuated thermometers are manufactured to the highest standards for a wide range of uses and can be CASE AnD MounTInG DIMEnSIonS fitted into almost any temperatureindicating application. These Case and Mounting Dimensions Specifications instruments are ideal for remote Dial Sizes: 2, 2 ⁄ , 3 ⁄ , 4 ⁄ " reading, such as panel installations, FRonT FLAnGE u-CLAMP Dial: Aluminum with white finish and I with capillary lengths of 1 to 100'. black markings D Vapor, or more precisely vaporized G Pointer: Furnished standard adjustable liquid, thermometers will give Movement: excellent readings, provided the E A E B CASE AnD MounTInG DIMEnSIonS Brass with precision gearing 30ϒ temperature being measured is 30ϒ Bourdon Tube: above or below ambient temperature. Vapor-phosphor bronze Vapor instruments also have F F Gas: Nitrogen in nispan coil progressive graduations and are FRonT FLAnGE REAR FLAnGE u-CLAMP Accuracy: best read in the upper 2⁄3 of the dial I I Vapor: ±1 scale division D range. Many ranges are available G Gas: ±1% of scale between -40 to 232°C (-40 to 450°F), Process Connection: Plain bulb, and care should be taken to select A E E B ⁄ NPT union; or C thermowell H a range that will MounTInG operating 30ϒ CASE AnD locate the DIMEnSIonS Note: thermowells must be used 2 30ϒ temperatures within the upper ⁄3 of whenever the bulb would be the dial range. F F 1 OMEGA® gas-actuated thermometers u-CLAMP combine advanced gas coil technology with a state-of-the-art gas absorbent (Class IV) thermal system, producing a superior temperature measurement A E B instrument that can be fitted to a wide variety of applications. Gas-actuated thermometers have an advantage F over vapor-actuated thermometers in that they are more accurate over the full range. They also operate at higher and lower ranges than vapor-actuated thermometers. The linear dial on all OMEGA® gas thermometers provides a consistent 1% accuracy across the full span of each range. This, combined with over 20 Fahrenheit and dual ranges, from -196 to 649°C (-320 to 1200°F), provides complete coverage of all normal temperature requirements. Dial Size exposed to pressure, fluid velocity, F or corrosive media Window: Polycarbonate STD; glass available on all models Bulb: Stainless steel or copper; bulb OD 3⁄8" on plain bulbs, 7⁄16" with threads. Bulb lengths from 21⁄2 to 77⁄8" depending on capillary length Capillary: Copper, copper with bronze braid armor; stainless steel with stainless steel armor; capillary lengths 1 to 100' (standard length, 5') E

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Vapor- and Gas-Actuated Thermometers - 2

Front flange (panel mount) Rear flange (surface mount) Table 1: Case Style Front Flange (Panel Mount) Code Dial Case 20FR 2" Stainless steel 25FR 21⁄2" Stainless steel 35FR 31⁄2" Stainless steel 45FR 41⁄2" Stainless steel 45FL 41⁄2" Black aluminum (hinge ring type) U-Clamp (Panel Mount) 20UR 2" Stainless steel 25UR 21⁄2" Stainless steel 35UR 31⁄2" Stainless steel Rear flange (Surface Mount) 20RR 2" Stainless steel 35RR 31⁄2" Stainless steel 35RB 31⁄2" Stainless steel 45RR 41⁄2" Stainless steel 45RB 41⁄2" Stainless steel 45TB 41⁄2" Phenolic Lens* Polycarbonate* Polycarbonate* Polycarbonate*...

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Vapor- and Gas-Actuated Thermometers - 3

Thermowells for Vapor- and Gas-Actuated Bulbs (except M2) ⁄ NPT 1 Description 1 to 10' Capillary (bulb #1) To Order Visit omega.com/va_ga_gas_thermom for Pricing and Details Construct a Model Number as Follows - See 3 Examples Below: Case Style Temperature Capillary and Capillary Process and Size Range Bulb Length (feet) Connection

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