Product Overview
This Type K thermocouple Fluke 80PK-26 (manufacturer part 2098714) is a tapered SureGrip temperature probe designed for temperature measurement in air, non-corrosive gases, and on surfaces. The probe element is a Type K standard grade thermocouple (Ni-Cr vs Ni-Al) with a welded junction and an Inconel 600 bead-sheath in a 304 stainless steel sheath.Technical Description
- Type: Type K standard grade (Chromel vs Alumel)
- Measurement range: -40 °C to 816 °C
- Probe construction: 304 stainless steel sheath with Inconel 600 bead-sheath and welded junction
- Cable: 1 meter (40 in) with miniature Type K thermocouple connector
- Overall length: 31.9 cm (12.55 in) from tip to strain relief
Documentation
The referenced technical documentation from the manufacturer includes detailed specifications and recommendations for use and compatibility: See manufacturer's datasheet.Typical Applications
This probe is specified for use in measuring air, non-corrosive gases, and for contact measurement on surfaces, as indicated in the manufacturer's descriptions. It is intended for use with temperature measuring instruments that accept Type K thermocouples with miniature connectors and have cold junction compensation.Measurement and Operating Conditions
- Accuracy: ±2.2 °C from -40 °C to 293 °C; ±0.75% from 293 °C to 816 °C (according to manufacturer's specifications and ANSI references provided in the datasheet)
- Measurement time (time constant): 3.0 seconds for air at 3.33 m/s (at sea level), 5 time constants ≈ 15 seconds
- Maximum tip temperature: 816 °C
- Maximum voltage: 24 V AC rms or 60 V DC (to avoid electric shock, the probe must not be used at higher voltages)
Specifications
- Measurement range: -40 °C to 816 °C
- Accuracy: ±2.2 °C (-40 °C to 293 °C); ±0.75% (293 °C to 816 °C)
- Sheath material: 304 stainless steel; bead-sheath: Inconel 600
- Sheath diameter: 4.8 mm; sheath length: 20.32 cm
- Bead diameter: 1.5748 mm; bead length: 11.049 mm
- Cable: 1 meter, PVC insulation, grey, AWG #24 stranded (7 x #32)
- Connector: miniature Type K thermocouple connector, pin spacing 0.792 mm, yellow Hytrel
- Handle: Hytrel, maximum temperature 125 °C
- Overall probe length: 31.9 cm (from tip to strain relief)
- Protection class: Class 3 (related to insulation and grounding conditions as defined in IEC 348)
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