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AR20 RTD

Brand: Ashcroft Inc
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The Ashcroft AR20 temperature sensor assemblies provide accurate temperature measurements for applications that are located in hazardous environments.

Each temperature sensor assembly consists of a spring loaded temperature sensor, magnesium oxide, MgO, insulated insert, connection head and lag extension.

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 and RTDs assemblies are manufactured to IEC 60751.
Features
  • Designed for ISA-ds 49 style thermowells
  • Manufactured to IEC 60751
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The Ashcroft AR20 temperature sensor assemblies provide accurate temperature measurements for applications that are located in hazardous environments.

Each temperature sensor assembly consists of a spring loaded temperature sensor, magnesium oxide, MgO, insulated insert, connection head and lag extension.

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 and RTDs assemblies are manufactured to IEC 60751.
Features
  • Designed for ISA-ds 49 style thermowells
  • Manufactured to IEC 60751
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Specifications

Brand

Accuracy

  • 1/2 Class B: ± [0.15 + 0.0025° C (0.0045° F)]
  • 1/3 Class B: ± [0.10 + 0.0017° C (0.00306° F)]
  • Class A: ± [0.15 + 0.0020° C (0.0036° F)]
  • Class B: ± [0.30 + 0.0050° C (0.009° F)]

Approvals & Certifications

  • ATEX: Ex ia IIC T6 Gb (IEC 60079-1), Ex ia IIC T6 Ga (EC 60079-11)
  • IECEx: Ex ia IIC T6 Ga (IEC 60079-1), (IEC 60079-11), 60584-2

Diameter

  • Stem: 1/8 to 0.315” (3.17 to 8 mm)

Electrical Connectors

  • Ceramic Terminal Block

Environmental Protection

  • IP66
  • IP67
  • IP68

Gland Material

  • Cable Gland: Nickel Plating Brass
  • Cable Gland: Polyamide
  • Cable Gland: Stainless Steel

Lagging Extension

  • 2 to 39” (0.05 to 1 Meter)

Materials of Construction

  • Head: Aluminum Alloy
  • Nipple (AISI), Head: 316 Stainless Steel

Mounting

  • Head: 1/2” NPT Female
  • Head: 3/4” NPT Female
  • Head: M20 x 1.5
  • Head: Pg 16

Name Plate, Tag Material

  • Metal

NPT Connection

  • 1/2” NPT Male

Process Connection Material

  • AISI 316 Stainless Steel

Sensor, Probe Connection

  • 2-Wire
  • 3-Wire
  • 4-Wire

Sensor, Probe Type

  • Sensor: Pt100, -200° to 600° C (-328° to 1,112° F)
  • Sensor: Pt1000, -40° to 600° C (-40° to 1,112° F)

Stem Length

  • 2 to 3,937” (0.05 to 100 metres)

Stem Material

  • AISI 316L Stainless Steel
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Typical Applications

  • Chemical & Petrochemical
  • HVAC/R
  • Industrial Equipment Manufacture
  • Industrial Ovens
  • Oil & Gas Applications
  • Petrochemical
  • Power Generation Equipment
  • Reactors
  • Towers
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