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  • Indicates media temperature using a temperature-actuated liquid in the sensing element and a highly accurate, high quality pressure gauge
  • As the media temperature increases, the capillary fill fluid vaporizes, increasing pressure in the Bourdon tube to activate the movement and pointer for proper indication
  • Brass, stainless steel, or phenolic case
  • Dry or liquid filled
  • Bottom, back or lower back connected
  • The dial scale graduations are non-linear, therefore the highest degree of accuracy and
  • more
300 Series Vapor Actuated Remote Dial Indicating Thermometers
300 Series Vapor Actuated Remote Dial Indicating Thermometers - 2
Unit of Measure
1 2 

Part Number

Description

Temperature [Min]

Temperature [Max]

Capillary Length

Bulb Dimensions

25-310-2-4-10-2-30-3-2 N/A 2-1/2", 100 to 350 ºF/ºC Armored Copper Capillary, 30 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 4-1/2" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 100 ºF N/A 350 ºF N/A 30 ft N/A 4-1/2 x 3/8 in
25-310-2-4-10-2-35-3-2 N/A 2-1/2", 100 to 350 ºF/ºC Armored Copper Capillary, 35 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 4-1/2" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 100 ºF N/A 350 ºF N/A 35 ft N/A 4-1/2 x 3/8 in
25-310-2-4-7-2-15-3-2 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 15 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb 4-1/2" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 240 ºF N/A 15 ft N/A 4-1/2 x 3/8 in
25-310-2-4-7-2-15-3-5 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 15 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb 6" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 240 ºF N/A 15 ft N/A 6 x 3/8 in
25-310-2-4-7-2-25-3-5 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 25 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb 6" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 240 ºF N/A 25 ft N/A 6 x 3/8 in
25-310-2-4-7-2-30-3-2 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 30 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 4-1/2" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 240 ºF N/A 30 ft N/A 4-1/2 x 3/8 in
25-310-2-4-7-2-45-3-2 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 45 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 4-1/2" x 3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 240 ºF N/A 45 ft N/A 4-1/2 x 3/8 in
25-310-2-4-8-2-25-3-6 N/A 2-1/2", 30 to 300 ºF/ºC Armored Copper Capillary, 25 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 4" x3/8" Vapor Thermometer with -40 Degree Service Fill, Chrome Bezel, and U-Clamp N/A 30 ºF N/A 300 ºF N/A 25 ft N/A 4 x 3/8 in
25-310-3-1-7-2-10-3-1 N/A 2-1/2", 30 to 240 ºF/ºC Armored Copper Capillary, 10 ft, 1/2" National Pipe Thread (NPT) Union Copper Bulb, 2-5/8" x 3/8" Vapor Thermometer with Silicone Fill and Chrome Front Flange N/A 30 ºF N/A 240 ºF N/A 10 ft N/A 2-5/8 x 3/8 in
25-310-3-1-9-4-15-4-6 N/A 2-1/2", 50 to 350 ºF/ºC Armored Stainless Steel Capillary, 15 ft, 1/2" National Pipe Thread (NPT) Union Stainless Steel Bulb, 4" x 3/8" Vapor Thermometer with Silicone Filled and Chrome Front Flange N/A 50 ºF N/A 350 ºF N/A 15 ft N/A 4 x 3/8 in
Unit of Measure
1 2