Description
Applications
Bimetal Thermometer is reliable and accurate temperature sensors requiring no electricity or wiring. Bimetal thermometer is ideal for local, eye-level temperature readings in most process applications. They can be recalibrated with a turn of the calibration screw on the back of the dial.
Standard Features
Case diameters
1″, 2”, 2.5″, 3”, 4″, 5” and 6″ (25, 50, 63,
75, 100, 125 and 150 mm)
Temperature ranges
-70 to 650°C (and equivalent Fahrenheit)
Accuracy
1% of full scale
Case, ring, stem and connection
304 Stainless Steel
Ring
Crimped
Type of connections
Back, bottom and adjustable angle
Connection
¼”, ½” NPT or BSP
Stem diameter
6.35” (0.25”)
Stem length
2.5” to 24” (63 to 600mm)
Window
Glass
Measuring element
Bi-metal helix
Dial
Aluminum with black and red markings
Standard scales
Fahrenheit or Celsius or dual
Pointer
Black aluminum
Working temperature
75% of full scale
Protection Degree
IP65
Recalibration
Re-zero adjustment screw
Tip: we recommend the use of Thermowells
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Maintenance
1) Cleaning:
a) Keep dial lens clean for proper viewing. Clean using commercial window cleaner.
b) Periodic cleaning of residue from the stem may be required to ensure thermometer sensitivity if installed without a thermowell.
2) Calibration: Periodic calibration should be as determined by the user.
a) Immerse the thermometer stem into a temperature-calibrated medium. Immerse entire stem or 4” (100mm) minimum.
b) Use a small open-end wrench or flat tipped screwdriver to turn the calibration screw. Turn the calibration screw to adjust the thermometer pointer to the correct temperature if necessary.
