::: UNITECH INSTRUMENTATION :::
MUMBAI - 400 086

DIAL
THERMOMETERS

 


 DIAL THERMOMETERS
 

For applications where inly indication is desired it is recommended to used dial type thermometers.
These instruments contains hermetically sealed Mercury filled system.The thermometer utilizes
natural phenomenon of mercury to expand when heated. The advantage of use of mercury over
any other filling medium is close to linear coefficient of expansion from -40 Deg C to 600 Deg c.
The instruments are housed in weatherproof die cast Alluminium case or bayonet locking type
SS 304 cases. Die Cast gauges are available in 65 mm, 100 mm, 150 mm and 200 mm dial sizes.
Where as SS 304 case are available in 100 mm and 150 mm dial size. All stainless steel temperature gauges are best suited for use in application involving corrosive process fluid coupled with hostile and corrosive environment. These gauges are manufactured in Rigid Stem type for local reading or flexible capillary type for distant reading. Fall the instruments are provided with case temperature compensation. Gauges with long capillary are provided with capillary compensation for better accuracy.
 

SPECIFICATIONS :

Dial Size : 50, 65, 100 and 150 mm
Case : Bayonate lock SS 304
Die Cast Aluminium
Bezel Ring : Bayonate lock SS 304
ABS Plastic.
Window : Plain, Toughened Glass
Acrylic Sheet Glass
Dial : Aluminium, White Base,
Black Markings
Pointer : Balanced , Micro Zero
Adjustable for 100 & 150 mm.
Bourdon : SS 304
Stem /Bulb : 8, 10, 12 and 16 mm OD
in SS 304 / SS 316
Stem length : 50 mm to upto 3000 mm
Capillary : Cold Drawn M.S / SS 316 with copper
SS 304/ SS 316 protection sleeve.
Cap. length : 500 mm to upto 10000 mm
Movement : Non Ferrous / SS 304
Joints : Argon Arc Welded
Mounting : Direct Bottom
Center or offset back with
Front panel or clamp.
Conn. Size : 3/8", 1/2 & 3/4 BSP/NPT
Ranges : -35 Deg C to upto 600 Deg C.
Accuracy :  
65 mm : 2.0% of FSD
100, 150mm : 1.0% of FSD
   
Range LEAST COUNT
-30 + 30 0.5
-30 + 50 1.0
-30 + 60 1.0
-30 + 80 1.0
-30 + 100 1.0
-30 + 120 2.0
-30 + 150 2.0
-20 + 40 0.5
-20 + 60 1.0
-20 + 80 1.0
-20 + 100 1.0
-20 + 120 2.0
-20 + 150 2.0
-10 + 50 0.5
-10 + 60 1.0
-10 + 80 1.0
-10 + 100 1.0
-10 + 120 2.0
-10 + 150 2.0

Range

LEAST COUNT

0-40 0.5
0-50 0.5
0-60 0.5
0-80 1.0
0-100 1.0
0-120 1.0
0-150 2.0
0-200 2.0
0-250 2.0
0-300 5.0
0-400 5.0
0-500 5.0
0-600 5.0

Accessories Available:
Thermowell in screwed and flanged construction.
Also enquire for special fitments such as maximum reading pointer and glycerine filled case.

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