DWYER INSTRUMENTS, INC. | dwyer-inst.com116 Thermometers, Dial TEMPERATURE BIMETAL THERMOMETER 2˝, 3˝ or 5˝ Dial, Dual Scale, ±1% FS Accuracy, External Reset STEM LENGTH HEAD SIZE STEM LENGTH 1/2 NP T 1/2 NPT Back connectionAdjustable angle connection The Series BT Bimetal Thermometer offers accurate, reliable service even in the toughest environments. These corrosion resistant units are constructed from stainless steel and are hermetically sealed to prevent crystal fogging. FEATURES/BENEFITS • Hermetically sealed • Adjustable dial position models APPLICATIONS • Chiller or boiler water temperature monitoring • Treatment plant temperature monitoring SPECIFICATIONS Wetted Materials: 304 SS. Housing Material: Series 300 SS. Lens: Glass. Accuracy: ±1% full-scale. Response Time: ≤ 40 s. Temperature Limits: Head: 200°F (93°C); Stem: Not to exceed 50% over-range or 1000°F (538°C) or 800°F (427°C) continuously. Process Connection: 1/4˝ NPT on 2˝ dial size; 1/2˝ NPT on 3˝ or 5˝ dial size. Stem Diameter: 1/4˝ OD. Immersion Depth: Minimum 2˝ in liquids, 4˝ in gas. LONG REACH BIMETAL THERMOMETER Extra-long Stems Reach Remote Areas, Gripping Handle Available 3/4 [19.05] 7/8 HEX [22.23 HEX] 1/2 NPT STEM LENGTH 9/32 [7.14] Ø3-5/16 [Ø84.14] The Series BTLRN Long Reach Bimetal Thermometer reaches areas that other thermometers can’t. A gripping handle is available as an accessory to comfortably hold the thermometer during temporary installations. FEATURES/BENEFITS • Stem lengths from 12˝ to 72˝ APPLICATIONS • Large container monitoring • Duct temperature measurement SPECIFICATIONS Wetted Materials: 304 SS. Housing Materials: Series 300 SS. Lens: Glass. Accuracy: ±1%. Temperature Limits: Ambient: -40 to 392°F (-40 to 200°C). Dial Size: 3˝. Process Connection: 1/2˝ NPT. Resolution: 2°F (1°C). Weight: 1.0 lb (0.45 kg). Ø13/32 [Ø10.32] 5-61/64 [151.21] 2-5/8 [66.68] 1/2 NPT CONNECTION 1-27/64 [36.12] SERIES BT SERIES BTLRN ® V I D E O O N L I N E V I D E O O N L I N E MODEL CHART ModelStem LengthRange* BTLRN312101 BTLRN318101 BTLRN324101 BTLRN336101 BTLRN348101 BTLRN360101 BTLRN372101 12˝ 18˝ 24˝ 36˝ 48˝ 60˝ 72˝ 0 to 200°F 0 to 200°F 0 to 200°F 0 to 200°F 0 to 200°F 0 to 200°F *Dual scale units available by changing last digit to D. Example: BTLRN31210D ACCESSORIES ModelDescription BTLR-GHGripping handle MODEL CHART ModelDial Size Stem LengthConnection Range °F (°C) Degree Div °F (°C)ModelDial Size Stem LengthConnection Range °F (°C) Degree Div °F (°C) BTB22551* BTB2405D BTB2409D BTB32510D BTB3255D BTB3257D BTB34010D BTB3405D BTB3407D 2˝ 2˝ 2˝ 3˝ 3˝ 3˝ 3˝ 3˝ 3˝ 2-1/2˝ 4˝ 4˝ 2-1/2˝ 2-1/2˝ 2-1/2˝ 4˝ 4˝ 4˝ Back Back Back Back Back Back Back Back Back 0 to 250 (-20 to 120) 200 to 1000 (100 to 550) 0 to 200 (-20 to 100) 0 to 250 (-20 to 120) 50 to 550 (10 to 290) 0 to 200 (-20 to100) 0 to 250 (-20 to 120) 50 to 550 (10 to 290) 2 (2) 10 (5) 2 (2) 2 (2) 5 (5) 2 (2) 2 (2) 5 (5) BTB3605D BTA54010D BTA5405D BTA5407D BTA56010D BTA5605D BTA5607D BTC3255D 3˝ 5˝ 5˝ 5˝ 5˝ 5˝ 5˝ 3˝ 6˝ 4˝ 4˝ 4˝ 6˝ 6˝ 6˝ 2-1/2˝ Back Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable Lower 0 to 250 (-20 to 120) 0 to 200 (-20 to 100) 0 to 250 (-20 to 120) 50 to 550 (10 to 290) 0 to 200 (-20 to 100) 0 to 250 (-20 to 120) 50 to 550 (10 to 290) 0 to 250 (-20 to 120) 2 (2) 2 (2) 2 (2) 5 (5) 2 (2) 2 (2) 5 (5) 2 (2) *Model offered in Fahrenheit scale only.Next >