Temperature Switches

Temperature Switches

MICRO Gas Filled series Temperature Switches are devices using the time proven mechanism of Pressure Switches. The precision mechanisms are of stainless steel for arduous atmosphere and high humidity. Several Convenient standard temperature ranges are available. Set point id continuously adjustable over the instrument range. A calibrated scale is provided for approximate switch setting.

(Confirming TO BS-6134)

Enclosure

 Aluminium Die Cast Weatherproof to IP-68
Aluminium Die Cast Flameproof to Group IIA,
IIB & IIC & Weatherproof to IP-67

Sensor

 Gas Filled thermal system actuating a
SS 316 Diaphragm
(Rigid Stem type / Capillary Type)
Wetted Parts SS 316 / SS 316L Bulb
Stem Length (Below thread) & Diameter Stem Length Below Thread Maximum 600 mm
Min. Stem Length mm : 130 120 120 120 110
Stem 0D Ømm : 6 8 9.5 10 12
Capillary Material SS 304 / SS 316 / Copper
Capillary Length Maximum up to 15 Meters
Capillary Protection SS 304 Flexible Armor
Repeatability ±1% of Full Span
Scale Accuracy ±5% of Full Span
Micro Switch 1 SPDT Snap Action or 2 SPDT on Request
Switch Rating 15 Amp, 250 VAC or 0.2 Amp, 220 V DC /
varies based on selection of micro switch
Range 10 to 100°C/ 20 to 160°C/ 50 to 250°C/
50 to 400°C / 100 to 600°C
Set Point Between 20% to 80% of FS for better performance
externally / internally adjustable with locking system
Over Range Protection 150% of full span
Mounting Back Panel / Wall / Field
Differential Fixed or Adjustable
Process Connection 1/4” / 3/8” / 1/2” BSP / NPT / BSPT / M20 X 1.5
(Male - Adjustable Gland throughout the length)
Other Connection on Request
Cable entry PG 13.5 (Standard) / DIN Connector /
1/2" NPT (F) / 3/4” ET / Others on Request
Maximum temperature 150' C / 300' F
High Voltage Strength 0.5 to 0.6 KV between open contact
/ 2 KV between contact & body
Insulation resistance > 10 MΩ at 500 V
Process Media Air, Water, Oil, etc …
Optional Available features • Client Specific dead band
• Single / Double Compression Gland
(Weather / Flame Proof)
Coming soon...

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