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Direct Immersion Probe with Process Threaded Fitting (Configurable Product)

Direct Immersion Probe with Process Threaded Fitting (Configurable Product)-CAT-RTD0028
  • MEAS
|
  • MEAS 111M
The 111 series direct immersion probe with is constructed with a stainless steel sheath and a welded connection that is available in 1/8” NPT, 1/4” NPT, 3/8” NPT, 1/2” NPT or 3/4” NPT. This configurable product offers options for element type, accuracy, lead wire configuration, sheath dimension, thread orientation, and process x control threads.
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Product Features

  • RTD Sensor Type : Immersion Probe

  • Element Type : Thin Film | Wire Wound

  • Element Material : Copper | Platinum

  • Lead Wire Style : PTFE Insulated

  • Operating Temperature (Max) : 250 °C [ 482 °F ]

Available from

LADD Inc
Overview

The standard connection has a single process thread hex fitting. A reverse thread option is available, with a single control thread hex fitting. The sensors are available with single or dual elements and are ideal for the process industry where immersion in the application is essential. 

Features

  • Stainless steel sheath style
  • Platinum, copper, or nickel element options
  • Teflon wire insulation
  • Silver plated or copper conductor wire stranding
  • 0.125", 0.188", or 0.250" sheath diameter

Applications

Performance Specifications

Repeatability: less than ± .06% change in ice point resistance after 10 consecutive cycles between ice point and 250°C.

Long term stability: less than ± .2% ice point resistance shift after 1,000 hours at 250°C

Self heating: 10 mW/C in water moving 3 feet/sec

Pressure rating: 1,500 psi

Insulation resistance: 1,000 megohms @ 500 V, leads to case

Vibration: withstands 5 to 500 Hz at 3 g-level peak for 3 hours. Per ASTM E 644, Sec. 10.

Shock: withstands 50 g-level peak sine wave shock of 11 milliseconds duration. Per ASTM E 644, Sec. 11.

RTD Temperature Accuracy Specifications

Standard Tolerances at 0°C

Element Material TCR ±.06% ±0.12% ±0.2% ±0.5%
Platinum 0.00385 0.15°C, 0.06Ω 0.30°C, 0.12Ω 0.50°C, 0.19Ω 1.20°C, 0.46Ω
Platinum 0.00392 N/A N/A N/A 1.20°C, 0.46Ω
Copper 0.00427 N/A N/A 0.71°C, 0.028Ω 1.49°C, 0.58Ω
Nickel 0.00672 N/A N/A N/A 0.85°C, 0.68Ω
Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Connection Head Type  None

  • Resistance Tolerance @ Reference Temperature  1000 Ohm ±.06% at 0°C | 100 Ohm ±.06% at 0°C | 100 Ohm ±.12% at 0°C | 100 Ohm ±.5% at 0°C | 10 Ohm ±.2% at 25°C

  • Housing Style  Stainless Steel Probe

  • RTD Sensor Type  Immersion Probe

  • Element Type  Thin Film | Wire Wound

  • Element Material  Copper | Platinum

  • Lead Wire Style  PTFE Insulated

Configuration Features

  • Lead Wire Configuration  2 Wire Single (Red / White) | 3 Wire Dual (Red / Red / White & Black / Green / Green) | 3 Wire Single (Red / Red / White) | 4 Wire Single (Red / Red / White / White)

Body Features

  • Threading Direction  Forward Facing

  • Sheath Length (mm) 38 | 152 | 203 | 304 | 609

  • Sheath Length (in) 1 | 6 | 8 | 12 | 24

  • Immersion Length (mm) 38 | 152 | 203 | 304 | 609

  • Immersion Length (in) 1 | 6 | 8 | 12 | 24

Mechanical Attachment

  • Thread Size  1/4 NPT | 1/8 NPT

Dimensions

  • Lead Wire Length (mm) 152.4 | 203.2 | 304.8 | 914.4

  • Lead Wire Length (in) 6 | 8 | 12 | 36

  • Wire Size (AWG) 22 | 26 | 28

  • Sheath Outside Diameter (mm) 3.18 | 4.76 | 6.35

  • Sheath Outside Diameter (in) .125 | .188 | .25

Usage Conditions

  • Temperature Coefficient (Ω/°C) .00385 | .00427

  • Operating Temperature (Max)  250 °C [ 482 °F ]

Other

  • Sheath Style  Standard Stainless Steel

Related Materials

Datasheets & Catalog Pages

Application Note