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Temperature Switch
Brand: Cameron
The Temperature Switch utilizes a vapor-pressure thermal system. Fluid vapor pressure changes predictably according to the influence of temperature on the sensing bulb.
Process temperature changes cause proportional vapor pressure changes in the temperature sensing bulb that act on the diaphragm/piston assembly to actuate and deactuate a snap-action electrical switching element at discrete process temperatures.
The instrument’s behavior is determined by the vapor pressure principle.
Features- Robust construction
- Vapor pressure principle
- Vapor fill fluid
- Direct immersion temperature sensing bulbs
- Remote mount sensing bulbs
- Snap-action electrical switching element
- Shock/vibration
- Factory calibration
- Agency listings/certification
Specifications
Brand
Adjustment Type
- Set Point Adjustment
Ambient Temperature Range
- -54°C to 200°C (-65°F to 400°F)
Approvals & Certifications
- Shock/Vibration Tested to MIL-S-167
- Shock/Vibration Tested to MIL-S-901D
Approvals & Certifications
- ATEX EEx d IIC T6 & T5
- CSA Certified Explosion-proof Class I, Groups A, B, C, D, Class II, Groups E, F, G, Class III, Divisions 1 & 2
- UL Ex ia IIC T6 to T4 Gb
Capillary Length
- 6 to 20 feet (1.8 to 6 metres)
Capillary Material
- Capillary Tube: 316 Stainless Steel
Electrical Connectors
- 18” Free Wire Leads
- ¾” NPT Female
- 90° Conduit Block ½” NPT Male
- Exposed Contacts
- M20 x 1.5
- Standard Terminal Block
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- 1-15 A at 125-250 Vac
- Resistive: 0.25-10 A at 28-250 Vdc
Enclosure Finish
- Epoxy Coated
Enclosure, Body Material
- 316 Stainless Steel
- Carbon Steel
- Cast Iron
- Series 2000, Copper-Free Aluminum
Environmental Protection
- Explosion-proof
- IP10
- IP65
- IP66
- NEMA 1
- NEMA 4
- NEMA 4X
- NEMA 7
- NEMA 9
- Weatherproof
Gasket Material
- Neoprene Cover Gasket
- Viton
Maximum System Pressure
- psi: 1,000 to 2,300 (kPa: 6,895 to 15,860, bar: 68.9 to 158.6)
Mounting
- Direct Mounting
- Panel Mounting
- Pipe (Stanchion) Mounting
- Remote Mounting
NACE & NIST
- NACE MR-0175
NPT Connection
- ½” NPT Male
Pressure Range
- Maximum
Repeatability
- 1% of Full Scale
- 2% of Full Scale
Set Point - Decreasing
- -45°C to 540°C (-50°F to 1,000°F)
Set Point - Increasing
- -45°C to 540°C (-50°F to 1,000°F)
Spring Material
- Elgiloy
Switch Type
- DPDT
- SPDT
