Dwyer Instruments SERIES BT Catalog Page
LENGTH
1/2 NPT
®
E
SERIES BT
BIMETAL THERMOMETER
2˝, 3˝ or 5˝ Dial, Dual Scale, ±1% FS Accuracy, External Reset
TEMPERATURE
E
O
D
I
V
O
N
L
I
N
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
MODEL CHART
Model Dial Size
BTB22551*
BTB2405D
BTB2409D
BTB32510D
BTB3255D
BTB3257D
BTB34010D
BTB3405D
BTB3407D
2˝
2˝
2˝
3˝
3˝
3˝
3˝
3˝
3˝
*Model offered in Fahrenheit scale only.
Stem
Length Connection
2-1/2˝
Back
4˝
Back
4˝
Back
2-1/2˝
Back
2-1/2˝
Back
2-1/2˝
Back
4˝
Back
4˝
Back
4˝
Back
Range
°F (°C)
0 to 250
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)
Degree Div
°F (°C) Model Dial Size
2
2 (2)
10 (5)
2 (2)
2 (2)
5 (5)
2 (2)
2 (2)
5 (5)
STEM
LENGTH
1/2 NPT
STEM
HEAD SIZE
Back connection Adjustable angle connection
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.
BTB3605D
BTA54010D
BTA5405D
BTA5407D
BTA56010D
BTA5605D
BTA5607D
BTC3255D
Stem
3˝
5˝
5˝
5˝
5˝
5˝
5˝
3˝
Length Connection
6˝
Back
4˝
Adjustable
4˝
Adjustable
4˝
Adjustable
6˝
Adjustable
6˝
Adjustable
6˝
Adjustable
2-1/2˝
Lower
Range
°F (°C)
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)
Degree Div
°F (°C)
2 (2)
2 (2)
2 (2)
5 (5)
2 (2)
2 (2)
5 (5)
2 (2)
Loading...