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The bi-metallic element
consists of two strips of different metals, with different thermal expansion coefficients,
inseparably joined together. This strip is spirally or helically wound with one end fixed
to the body of the thermometer, and the other attached to the axis of a pointer.
Measurement of temperature is made with the bi-metallic system inside the temperature
sensor. Temperature variation influences the bi-metallic strip such as to rotate the
pointer; this rotation is indicated on a dial.
TECHNICAL SPECIFICATIONS :
| Bi-metallic Thermometer |
Type |
Rigid stems |
Accuracy |
+ 1% of F.S.D. |
Stem of
connection metals |
AISI 316 SS |
Immersion
Length |
Adjustable between
75 mm to 300 mm. |
Enclosure |
Cast aluminium
stove enamelled Black with weather-proof as per IP 65 for 100 & 150 mm dial sizes
Pressed AISI 304 ss self colour finish with weather-proof as per IP 65 for 100 & 150 mm dial sizes |
Dial size |
63 mm, 100mm &
150 mm. |
Sensor |
Bimetallic strip |
Stem
Diameter |
6 mm / 8 mm |
Connection |
½" BSP (M) /
NPT (M) |
Mounting |
Horizontal
(Co-axial)
Vertical |
Entry |
Back
Bottom |
| Standard range ºC |
(-) 30 to (+) 70, 0 to 60, 100, 120, 150,
200, 250 & 300. |
| Optional Accessories |
Thermowell |
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