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Industrial RTD Probes with Sub-Miniature Aluminum Protection Head

RTD probe with aluminum head, 9 in. length


Item# PR-19H-3-100-1/4-9

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $131.14
5-9 $124.58
10-24 $121.96
25-49 $116.71
50-99 $114.09
100+ $111.47

In stock

Lead Time (If not in stock): 7 weeks
RTD probe with aluminum head, 9 in. length PR-19H-3-100-1/4-9 PR-19H-3-100-1/4-9
  • Subminiature aluminum protection head
  • Class A accuracy conforming to IEC 60751
  • Low temperature range: -50 to 250°C (-58 to 482°F)
  • High temperature range: -50 to 450°C (-58 to 842°F)

PR-19H-3-100-1/4-9 Model Options

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Process Temperature Range
Probe Diameter
Probe Length
Sensor Application
Process Connection Size
Nominal Output
Number of Wires
Sheath Material
Termination Connection Type
Additional Feature

  • Accuracy Class A from -100°C to 450°C (-148 to 842°F); Class B otherwise, per IEC 60754
  • Cold-End Max Temperature Low (L), 100°C (212°F); High (H) and Extreme (E), 250°C (482°F)
  • Dimensions Standard diameters of 1/8”, 3/16”, and 1/4” ; variable lengths
  • Ingress Protection IP67 (with exception of “High” (10H) type)
  • Nominal Resistance Curve Choice of PT100Ω or PT1000Ω
  • Process Temperature Range -200 to 600°C (-328 to 1112°F)
  • Protection head Subminiature Aluminum
  • Wire Length / Terminations Screw Terminal

Our PR-19 industrial probe with subminiature aluminum protection head and screw-on cap is manufactured with a 316 stainless steel sheath. It includes PT100 Ω platinum RTD element or PT1000 RTD element and 1/2" NPT mounting threads. These probes can be used alone, or can be placed directly into a thermowell. The spring load option should not be ordered unless a thermowell is used. All probes include a screw terminal block for easy connection of insulated copper extension wire. Replacement probes (without protection head assembly) are available as well as a "spring-loading" option which allows for the probe to bottom out in a thermowell for quicker and more accurate response. Inside dimensions for the aluminum head: Diameter: 0.9 inches; Height: 1.3 inches.

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