Omega Engineering M1982/0902 User Manual download pdf (Page 7)

VA Series Vapor Actuated Dial Thermometer

Specifications

Dial Sixes: 2", 2

⁄2", 3

⁄2", 4

⁄2"

Dial: Aluminum with white finish and black markings

Pointer: Furnished standard adjustable

Movement: Brass with precision gearing

Bourdon Tube: Phosphor bronze

Accuracy: Plus or minus one scale division

Case: Stainless steel on all front flange and U-clamp models.

Back flange models in stainless (2"), black steel (3

⁄2")

or Valox (4

⁄2")

Process Plain bulb,

⁄2" NPT Union,

⁄2" NPT sliding union

Connection: on 12 Connection: bendable extension, or thermowell.

Window: Polycarbonate. Glass in 3

⁄2" and 4

⁄2" back flange

models

Bulb: Stainless steel or nickel plated copper. Bulb O.D.

⁄16"

(optional

⁄4" O.D. x 2" length on -40 to 65°F range

only). Bulb lengths vary from 2" to 6" depending on

capillary length

Capillary: Nickel plated copper, copper with bronze braid

armor, stainless steel, stainless steel with stainless

steel armor. Capillary lengths 1 to 100 feet (standard

length 5 feet)

Ranges: Over twenty °F and °F/°C ranges available, from -40°

to +450°F

Applications: Control panels, chemical processing, pipelines, food

processing, OEM applications, ovens, solar heating,

Vapor actuated thermometers give excellent readings when

the bulb temperature is either above or below the

temperature of the indicating head. Avoid applications in

which the bulb and head are the same temperature

(ambient applications). If the bulb “crosses ambient” (i.e.,

goes from hotter than the indicating

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Omega Engineering M1982/0902 User Manual Page 7

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