AR20 RTD

Brand: Ashcroft Inc
Does not ship to Virginia, United States

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

Specifications

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

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