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SPHT
Surface Probe Cost-Effective High-Temperature
- J, K, or E Surface Probes Available
- 150 mm (6') and 300 mm (12') Long Surface Probes Available
- Molded Utility Handle Rated to 220ºC (428ºF)
- Retractable Cable Expands to 1.5 m (5')
Product Overview
- Electrical Connection Sub-D Male Miniature Connector
- Handle Temperature, Max 220 °C
- Handle Temperature, Min 0 °C
- Probe Diameter 0 in
- Probe Type Handheld Surface
- Process Temperature, Max 650 °C
- Process Temperature, Min 0 °C
- Series ID SPHT
- Sheath Material 304 Stainless Steel
- Temperature Probe Style Surface Probe
- Temperature Sensor Type Thermocouple
Supported Applications
The Omega SPHT Series consists of economical, high-temperature surface probes designed for measuring surface temperature. These thermocouple-based sensors are configured with a ceramic tip and spring-loaded contacts to ensure reliable contact on the target material.
- Type J, K, or E calibrations available
- Standard Limits of Error compliance across all models in this series
Operating Conditions & Performance
The SPHT Series is engineered for high-temperature surface measurements with a ceramic tip rated to 650ºC (1200ºF). The molded utility handle provides thermal protection, rated to 220ºC (428ºF), allowing safe handling during operation. Electrical connectivity is provided via a retractable cable that expands to 1.5 m (5′) terminating in a subminiature connector for use with handheld thermometers.
Key Performance Parameters
- Process Temperature: Ceramic tip rated to 650ºC (1200ºF)
- Ambient/Handle Rating: Molded utility handle rated to 220ºC (428ºF)
- Accuracy Class: Standard Limits of Error
Physical Dimensions
The series offers two primary probe lengths with corresponding sheath diameters. The standard configuration includes a handle section length of 136.5 mm (5 3⁄8″) and a surface tip diameter of 9.52 mm (3⁄8″). For right-angle models, the vertical leg measures 69.8 mm (2 3⁄4″).
Configuration Options
The SPHT Series supports multiple configurations to accommodate different measurement geometries and calibration requirements.
Calibration Options
- Type J surface probe
- Type K surface probe
- Type E surface probe
Probe Lengths & Sheath Sizes
- 150 mm (6″) length with 3.0 mm (1⁄8″) sheath diameter
- 300 mm (12″) length with 6.0 mm (1⁄4″) sheath diameter
Housing & Connection Features
- Molded utility handle rated to 220ºC (428ºF)
- Retractable cable expands to 1.5 m (5′)
- Subminiature connector for handheld thermometers
- Included plastic cap for protection of the surface element
Special Configurations
A 90° right angle probe is available by ordering models with the -RA suffix. The sheath material is specified as 304 SS OMEGACLAD®.
Key Product Differences
The SPHT Series distinguishes variants primarily through calibration type, physical dimensions, and geometric orientation.
- Calibration: Models are designated by J, K, or E in the part number to indicate Type J, Type K, or Type E surface probes respectively.
- Length & Diameter: The numeric suffix '6' denotes a 150 mm (6″) probe with a 3.0 mm (1⁄8″) sheath diameter; the suffix '12' denotes a 300 mm (12″) probe with a 6.0 mm (1⁄4″) sheath diameter.
- Orientation: Models ending in -RA feature a 90° right angle surface probe design, while standard models are straight probes.
The SPHT-K-6 model is included at no additional cost with specific infrared thermometers: OS532E, OS533E, OS534E, OS534E-CF, and OS533E-CF.
