PR-10

Supported Applications

The Omega PR-10 series consists of RTD probes with insulated lead wire and shrink-tube strain relief support at the sheath/wire transition. Documented applications for this probe include liquid immersion, slurries and emulsions, granular material measurements, as well as temperature monitoring of heat bars, kilns, and pipes. The PR-10 series is suited for both process and laboratory temperature measurements.

Operating Conditions & Performance

The PR-10 series covers three distinct temperature ranges depending on the model variant: -50 to 250°C (-58 to 482°F), -50 to 450°C (-58 to 842°F), and -200 to 600°C (-328 to 1112°F). Accuracy is specified as Class A for the PR-10L (Low) model. For the PR-10H (High) model, accuracy is Class A from -50 to 300°C (-58 to 572°F); or else Class B. The PR-10E (Extreme) model offers Class A from -100 to 450°C (-148 to 842°F); or else Class B.

Response time T90 varies by probe diameter and temperature range:

• PR-10L (Low): 1/8" 2.4 sec, 3/16" 2.8 sec, 1/4" 3.25 sec.
• PR-10H (High): 1/8" 2.8 sec, 3/16" 4.11 sec, 1/4" 5.41 sec.
• PR-10E (Extreme): 1/8" 9 sec, 3/16" 9.8 sec, 1/4" 10.6 sec.

The series carries an IP67 ingress protection rating and meets vibration standard IEC 60068-2-6 (5 to 2000 Hz sweep rate, one active per minute; 10 sweep cycles; acceleration 5g) and shock standard IEC 60068-2-27 (50g/11ms).

Configuration Options

The PR-10 series is offered in a configurable model structure: PR-10<variant>-<wire_count>-<resistance>-<diameter>-<length>. Key configuration options include:

• Sensor Element & Resistance: Standard nominal resistance is 100 Ω at 0°C with a TCR of 0.00385 Ω/Ω/°C (PT100). Dual element configurations are offered in both PT100 Ω and PT1000 Ω.
• Wire Configuration: Available in 2-, 3-, or 4-wire setups with PFA wire material. Standard lead wire length is 40 inches; longer lengths may be built using the configurator.
• Terminations: Stripped ends are standard, though other terminations may be configured.
• Diameters & Lengths: Probe diameters of 1/8, 3/16, and 1/4 inch. Standard probe lengths include 2, 3, 4, 6, 9, 12, 18, and 24 inches; other lengths are available via configurator.
• Wire Termination Max Temp: PR-10L supports up to 100°C (212°F); PR-10H and PR-10E support up to 250°C (482°F).

Key Product Differences

The series is divided into three primary models based on temperature capability:

• PR-10L (Low): Process Temperature Range -50 to 250°C (-58 to 482°F); Class A accuracy.
• PR-10H (High): Process Temperature Range -50 to 450°C (-58 to 842°F). Note: PR-10H probes in 1/8" diameter will have a metal barrel at the transition. Accuracy is Class A from -50 to 300°C (-58 to 572°F); or else Class B.
• PR-10E (Extreme): Process Temperature Range -200 to 600°C (-328 to 1112°F). Accuracy is Class A from -100 to 450°C (-148 to 842°F); or else Class B.