Kains Vapour filled temperature gauge works on ‘vapour pressure difference due to temperature coefficient’ theory. Kains uses a ‘pressurised gas chamber’ as a temperature sensor. When the chamber or bulb is get heated, the vapour pressure varies. The expansion or contraction of the vapour due to temperature is converted in to temperature reading. The pre formed bourdon tube displaces marginally due to pressure variation. The displacement is then calculated for the rotation of a sector mechanism @ 270 Deg angle. The read pointer connected to the pinion rotates in accordance and reads the temperature value marked on the clear dial. Kains Manufacturers Vapour Thermometers with bottom and back direct mounting. KTG 31 is manufactured for remote mounting with Stainless Steel 304 case and bezel and Stainless steel 316 Bulb, stem and process connection. Kains manufactured temperature gauges can be used for general industrial temperate measurement in industries like chemical, petrol chemical, gas and oil, hydraulics and other machine building, food and pharmaceutical etc...
Vapour filled system Temperature gauge- Capillary |
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Model |
KTG31 |
Application |
Industrial process temperature measurement |
Type |
Weather proof |
Nominal Diameter |
2½” * (63 mm) 4” (100 mm) 6” (150 mm) |
Case Material |
St. St.304 |
Bezel Material |
St. St. 304 |
Bezel fitting |
Bayonet Bezel |
Stem material |
St. St. 316L |
Sensing Element |
Gas filled system |
Joint |
Argon arc welded |
Movement |
SS304 |
Pointer |
Black Aluminium - |
Dial |
White coated Aluminium |
Marking |
Black ‘or’ Black and red combination for dual scale |
Scale |
Single / Dual |
Standard Unit |
Degree Celsius. (other engineering units on request) |
Mounting |
Available in all the standard mountings |
Thread |
¼” /⅜” /½” /¾” / 1” NPT / BSPP / BSPT; M20x 1.5 (Fixed or adjustable) |
Window |
Polycarbonate / Acrylic / Toughened glass |
Available in |
Negative temperature up to - 50°c |
Minimum Range |
0 to 60°c |
Maximum range |
0 to 600°c |
Stem diameter |
6 / 8 / 10 / 12 mm or ¼” / ⅜” / ½” ODT |
Minimum Insertion length |
100 mm / 4” |
Maximum Insertion length |
1000 mm / 40” / 3 feet |
Maximum capillary length |
10 meters |
Accuracy |
+/-1% ‘or’1.6% of FSD |
Additional Fitment |
Optional* |
Calibration Certificate |
Factory calibration certificate shall be provided |
*Certain ranges and stem length may not be available. Please consult factory before placing the order
Additional Fitment |
Optional* |
Electric contact |
Snap action magnetic 1 NO/ 1 NC/ 2 NO / 2NC 1NO-1NC/ 1NC-1 NO/ |
Rating |
380 V / 30W -50VA / 1 A (up to 10 A with rely) |