Dwyer Instruments SERIES BTL Catalog Page
1-11/16
®
E
SERIES BTL
TEMPERATURE
SIDE READING BIMETAL THERMOMETERS
[42.85]
5/16
[7.94]
Horizontally Mounts to Tank
Ø2.750
[Ø69.85]
BTLS
E
O
D
I
V
O
N
L
I
N
21/64
[12.29]
13/16
[20.64]
BTLR
The Series BTL Side Reading Bimetal Thermometers are a great t for tight,
compact areas. These horizontally mounted thermometers face upright to allow quick
and easy measurements.
FEATURES/BENEFITS
• Dial face positioned for horizontal mounting
• Scratch resistant lens
APPLICATIONS
• Tank or vessel monitoring
SPECIFICATIONS
Wetted Materials: 304 SS.
Lens: Glass.
Accuracy: ±1% FS.
Temperature Limits: Ambient: -40 to 392°F (-40 to 200°C).
Dial Size: 3˝.
Process Connection: 1/2˝ NPT.
Resolution: < 2% of scale.
Weight: 9.2 oz (260 g).
MODEL CHART
Model Stem Length Connection Range* Model Stem Length Connection Range*
BTLS32541
BTLS32571
BTLS3255D
BTLS34041
BTLS34071
BTLS3405D
BTLS36041
BTLS36071
BTLS3605D
2-1/2˝
2-1/2˝
2-1/2˝
4˝
4˝
4˝
4˝
6˝
6˝
Left-side
Left-side
Left-side
Left-side
Left-side
Left-side
Left-side
Left-side
Left-side
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
BTLR32541
BTLR32571
BTLR3255D
BTLR34041
BTLR34071
BTLR3405D
BTLR36041
BTLR36071
BTLR3605D
2-1/2˝
2-1/2˝
2-1/2˝
4˝
4˝
4˝
6˝
6˝
6˝
Right-side
Right-side
Right-side
Right-side
Right-side
Right-side
Right-side
Right-side
Right-side
*Dual scale units available by changing last digit to D. Example: BTLS3254D
Ø3
[Ø76.2]
3˝ Left-Side Mount Version Shown
6-3/16 [157.15]
1/2-14 NPT
13/16
[20.64]
HEX
3˝ Right-Side Mount Version Shown
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
-40 to 160°F
50 to 500°F
0 to 250°F (-20 to 120°C)
Ø1/4
[Ø6.35]
[Ø6.35]
Ø1/4
6-3/16 [157.15]
1/2-14 NPT
13/16
[20.64]
HEX
5/16
[7.94]
Ø3
[Ø76.2]
1-11/16
[42.85]
13/16
[20.64]
[Ø69.85]
Ø2.750
[12.29]
21/64
Thermometers,
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