5699 High-Temperature Metal-Sheath SPRT
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Product Description
Fluke Calibration's 5699 SPRT has a protective sheathing material that allows use in calibration furnaces or calibration baths with high temperatures of up to 670 °C.
Technical Specifications
- Manufacturer part number (MPN)
- 1656430
- Brand
- Fluke
- Category
- Tools
- Temperature Range
- –200 °C to 661 °C (recommended annealing temperature 665 °C)
- Nominal RTPW
- 25.5Ω (± 0.5Ω)
- Current
- 1 mA
- Resistance Ratio
- W(302.9146 K) ≥ 1.11807 W(234.3156 K) ≤ 0.844235
- Sensitivity
- 0.1 Ω/ °C
- Drift Rate
- < 0.008 °C/year (< 0.003 °C/year typical)
- Repeatability
- < 1 mK
- Self-heating at TPW
- < 0.001 °C under 1 mA current
- Reproducibility
- ± 0.001 °C or better
- RTPW Drift After Thermal Cycling
- < 0.001 °C
- Diameter of Pt Sensor Wire
- 0.07 mm (0.003 in)
- Lead Wires
- Four sensor wires plus grounding wire
- Protective Sheath
- Inconel
- Insulation Resistance
- > 100 MΩ at 661 °C > 1000 MΩ at 20 °C
Cross References
- OEM-URL https://www.fluke.com/en-us/product/calibration-tools/temperature-calibration/its-90-temperature-standards/5699
Product Documentation
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Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 1656430?
- 1656430 can be ordered from cballast.com as a Fluke catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Fluke product?
- The manufacturer part number is 1656430.
- Who manufactures 1656430?
- 1656430 is a Fluke product in the Safety & Detection range.
- Is a datasheet available for 1656430?
- Yes — the 1656430 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 1656430?
- The minimum order quantity is 1.
- Is 1656430 available?
- Yes — 1656430 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
- How do I get a price for 1656430?
- Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.