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Remote vapor- and gas-actuated thermometers are
manufactured to the highest standards for a wide range of uses and can be
fitted into almost any temperatureindicating application. These
instruments are ideal for remote reading, such as panel installations,
with capillary lengths of 1 to 100'. Vapor, or more precisely vaporized
liquid, thermometers will give excellent readings, provided the temperature being measured is above or below ambient temperature.
Vapor instruments also have progressive graduations and are
best read in the upper 2/3 of the dial range. Many ranges are available
between -40 to 232°C (-40 to 450°F), and care should be taken to select a range that will locate the operating temperatures within the upper 2/3 of
the dial range.
OMEGA gas-actuated thermometers combine advanced gas coil technology
with a state-of-the-art gas absorbent (Class IV) thermal system, producing a
superior temperature measurement instrument that can be fitted to a wide
variety of applications. Gas-actuated thermometers have an advantage
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.
SPECIFICATIONS Dial Sizes: 2", 2½", 3½", 4½"
Dial: Aluminum with white finish and black markings
Pointer: Furnished standard adjustable
Movement: Brass with precision gearing
Bourdon Tube: Vapor-phosphor bronze
Gas: Nitrogen in nispan coil
Accuracy: Vapor: ±1 scale division
Gas: ±1% of scale
Process Connection: Plain bulb, ½NPT union; or thermowell
Note: thermowells must be used whenever the bulb would be exposed to pressure, fluid velocity, or corrosive media.
Window: Polycarbonate STD; glass available on all models
Bulb: Stainless steel or copper; bulb O.D. 3/8" on plain bulbs, 7/16" with threads. Bulb lengths from 2½" to 7 7/8" 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')
† Price are shown in RMB.
Part Number Builder
Option Descriptions
(1)
Style
Select VA for Vapor Actuated Thermometer GA for Gas Actuated Thermometer
(2)
Case Style and Size
Select 20FR for Front Flange (Panel Mount) style.Dial 2 in. Case stainless steel. Connection location rear 25FR for Front Flange (Panel Mount) style. Dial 2 1/2 in. Case stainless steel. Connection location rear 35FR for Front Flange (Panel Mount) style. Dial 3 1/2 in. Case stainless steel. Connection location rear 45FR for Front Flange (Panel Mount) style. Dial 4 1/2 in. Case stainless steel. Connection location rear 45FL for Front Flange (Panel Mount) style. Dial 4 1/2 in. Case black aluminum (hinge ring type). Connection location lower rear 20UR for U-Clamp (Panel Mount) style. Dial 2 in. Case stainless steel. Connection location rear 25UR for U-Clamp (Panel Mount) style. Dial 2 1/2 in. Case stainless steel. Connection location rear 35UR for U-Clamp (Panel Mount) style. Dial 3 1/2 in. Case stainless steel. Connection location rear 20RR for Rear flange (Surface Mount) style. Dial 2 in. Case stainless steel. Connection location rear 35RR for Rear flange (Surface Mount) style. Dial 3 1/2 in. Case stainless steel. Connection location rear 35RB for Rear flange (Surface Mount) style. Dial 3 1/2 in. Case stainless steel. Connection location bottom 45RR for Rear flange (Surface Mount) style. Dial 4 1/2 in. Case stainless steel. Connection location rear 45RB for Rear flange (Surface Mount) style. Dial 4 1/2 in. Case stainless steel. Connection location bottom 45TB for Rear flange (Surface Mount) style. Dial 4 1/2 in. Case Phenolic. Connection location bottom (turret)
(3)
Temperature Range (ranges 300°F or above for vapor-actuate and all gas-actuated models only offered with stainless steel systems.)
Select 20 for -40 to 60°F (VA Range only) 21 for -40 to 60°F (-40 to 15°C) (VA Range only) 30 for -40 to 110°F (VA Range only) 31 for -40 to 110°F (-40 to 40°C) (VA Range only) 32 for -20 to 120°F (VA Range only) 33 for -20 to 120°F (-30 to 50°C) (VA Range only) 72 for 0 to 180°F (VA Range only) 73 for 0 to 180°F (-20 to 80°C) (VA Range only) 49 for 0 to 150°F (VA Range only) 79 for 0 to 150°F (-15 to 65°C) VA Range only) 80 for 20 to 220°F (VA Range only) 81 for 20 to 220°F (0 to 105°C) (VA Range only) 50 for 40 to 240°F (VA Range only) 51 for 40 to 240°F (0 to 115°C) (VA Range only) 56 for 0 to 250°F (VA Range only) 57 for 0 to 250°F (-20 to 120°C) (VA Range only) 60 for 30 to 300°F (VA Range only) 61 for 30 to 300°F (0 to 150°C) (VA Range only) 68 for 100 to 350°F (VA Range only) 66 for 100 to 350°F (40 to 175°C) (VA Range only) FB for -320 to 100°F (GA Range only) DB for -320 to 100°F (-200 to 40°C) (GA Range only) FE for -120 to 120°F (GA Range only) DE for -120 to 120°F (-85 to 50°C) (GA Range only) FG for -40 to 180°F (GA Range only) DG for -40 to 180°F (-40 to 80°C) (GA Range only) FH for 0 to 120°F (GA Range only) DH for 0 to 120°F (-15 to 50°C) (GA Range only) FJ for 60 to 120°F (GA Range only) DJ for 60 to 120°F (15 to 50°C) (GA Range only) FL for 20 to 240°F (GA Range only) DL for 20 to 240°F (-5 to 110°C) (GA Range only) FN for 0 to 300°F (GA Range only) DN for 0 to 300°F (-10 to 150°C) (GA Range only) FP for 50 to 550°F (GA Range only) DP for 50 to 550°F (10 to 29°C) (GA Range only) FR for 50 to 750°F (GA Range only) DR for 50 to 750°F ( 0 to 400°C) (GA Range only) FT for 400 to 1200°F (GA Range only) DT for 400 to 1200°F (200 to 650°C) (GA Range only) 70 for 200 to 450°F (GA Range only) 71 for 200 to 450°F (100 to 230°C) (GA Range only)
(4)
Capillary and Bulb
Select A for Capillary and bulb material copper. C for Capillary and bulb material copper. Capillary protection bronze braid D for Capillary and bulb material 316 SS. E for Capillary and bulb material 316 SS. Capillary protection SS armor
(5)
Capillary Length (For custom length contact our sales team for pricing)
Select 05 for 5 Feet 10 for 10 Feet 25 for 25 Feet
(6)
Process Connection
Select J1 for Connection type none (plain bulb) K2 for Connection type 1/2 NPT union. Material Brass L2 for Connection type 1/2 NPT union. Material 316 SS M2 for Connection type 1/2 NPT union jam nut and bendable extension. Material 316 SS J2 for Connection type Jam nut only (required with thermowell). Material Brass J3 for Connection type Jam nut only (required with thermowell). Material 316 SS
(7)
Lens
Select Nothing(leave field blank) for None -Glass for Glass lens -Poly for Polycarbonate Lens
NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
