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AT30 Skin Type Thermocouple
Brand: Ashcroft IncThe Ashcroft AT30 skin type thermocouple assembly provides accurate surface and wall temperature measurements for applications that are located in hazardous environments.
Each thermocouple assembly consists of a spring loaded thermocouple, magnesium oxide, MgO, insulated insert, a connection head, lag extension, expansion loop, and weldable sensor.
The assembly may also include an optional terminal block for wiring and/or transmitters.
Thermocouple assemblies are manufactured to either to IEC 60584-2 or ANSI MC 96.1.
Features- Weldable sensor head
- Available with and without transmitters
- Integrated expansion loop allows for expansion and contraction within temperature changes
Specifications
Brand
Stem Length
- 2 to 3,937” (0.05 to 100 metres)
Cable Entry
- With Cable Gland: M20 x 1.5
- With Cable Gland: PG16
- Without Cable Gland, with Ex d Cable Gland for Non-Shielded Cable or Shielded Cable: 1/2” NPT
- Without Cable Gland: 3/4” NPT
Environmental Protection
- IP66
- IP67
- IP68
Electrical Connectors
- Ceramic Terminal Block
Diameter
- Knife Edge: 2 to 10” (0.05 to 0.254 metres)
- Stem: 0.23” (6 mm)
- Stem: 0.314” (8 mm)
- Stem: 0.375” (9.5 mm)
Enclosure, Body Material
- Head: 316 Stainless Steel
- Head: Aluminum Alloy
Sensor, Probe Type
- J Thermocouple, -40° to 750° C (-40° to 1,382° F)
- K Thermocouple -200° to 1,100° C (-328° to 2,012° F)
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150# ANSI
- 1” (DN 25) - 300# ANSI
- 1” (DN 25) - 600# ANSI
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150# ANSI
- 1-1/2” (DN 40) - 300# ANSI
- 1-1/2” (DN 40) - 600# ANSI
Mounting
- Head Mount
- Head: 1/2” NPT Female
- Head: 3/4” NPT Female
- Sensor
NPT Connection
- 1-1/2” NPT Male
Stem Material
- 316 Stainless Steel
- AISI 466 Stainless Steel
- Inconel 600
Sensor, Probe Connection
- 2-Wire
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150# ANSI
- 2” (DN 50) - 300# ANSI
- 2” (DN 50) - 600# ANSI
Name Plate, Tag Material
- Metal
Approvals & Certifications
- Calibration
- ATEX: Ex d IIC T6 Gb (EN/IEC 60079-1), Ex ia IIC T6 Ga (EN/IEC 60079-11)
- IEC Ex: Ex d IIC T6 Ga (EN/IEC 60079-1), Ex ia IIC T6 Ga (EN/IEC 60079-11), 60584-2
Accuracy
- Class 1, Typical J & K: ± 1.5° C (± 2.7° F) or Absolute ± 0.0040° C (± 0.0072° F)
- Class 2 Typical J & K: ± 2.5° C (± 4.5° F) or Absolute ± 0.0075° C (0.0135° F)
- Class 3 Typical K: ± 2.5° C (± 4.5° F) or Absolute ± 0.0040° C (0.0072° F)
- Standard Typical J & K: ± 2.2° C (± 3.96° F) or Absolute 0.0075° C (0.0135° F)
- Typical J & K: ± 1.1° C (± 1.98° F) or Absolute 0.0040° C (0.0072° F)
Length
- Length to Expansion Loop: 7.9 to 1,771” (0.2 to 45 metres)
- Length to Weld Pad: 2 to 393” (0.05 to 10 metres)
- Chemical & Petrochemical
- HVAC/R
- Industrial Equipment Manufacture
- Industrial Ovens
- Oil & Gas Applications
- Power Generation Equipment
- Reactors
- Storage Tanks
- Towers