Fluke Calibration 5626 - Secondary Standard Platinum Resistance Thermometer

  • Range to 660°C

  • Meets all ITS-90 reMeets all ITS-90 requirements for resistance ratios

  • Rtp drift < 20mK after 500 hours at 660°C

  • Strain-free sensor design by Hart’s SPRT engineers

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Kód: 1653830
€3 846 €3 205 bez DPH
Fluke Calibration 5626 - Secondary Standard Platinum Resistance Thermometer
Fluke 5626 - sekundárna PRT
Cena na požiadanie
Doprava zadarmo pre každý nákup nad 80€ s DPH vytvorený cez náš eshop s doručením na Slovensko.
Doprava zadarmo
pre každý nákup nad 80€ s DPH vytvorený cez náš eshop s doručením na Slovensko.
Široké možnosti platby na dobierku, kartou online alebo bankovým prevodom.
Široké možnosti
platby a doručenia pre vaše pohodlie. Prijímame platobné karty, Google Pay alebo Apple Pay.
Tovar skladom odosielame v deň objednávky (do 13:00)
Tovar skladom
odosielame v deň objednávky kuriérom SPS alebo službou Packeta (objednávky do 13:00).
Záručný, pozáručný servis teplomerov, multimetrov a iného metrologického vybavenia.
Servis a kalibrácia
teplomerov, multimetrov a iného metrologického vybavenia vrátane záručného a pozáručného servisu.

Hart’s high-temp secondary standards fill the gap between affordable, but temperature-limited secondary PRTs and more expensive, highly accurate SPRTs. 

If you’re using block calibrators, furnaces, or temperature points above normal PRT temperatures (420 °C), then these two PRTs are for you. The 5626 is nominally 100W and the 5628 is nominally 25.5W. Both instruments have a temperature range of –200 °C to 661 °C. They make great working or check standards for calibration work up to the aluminum point. 

Using a regular PRT at temperatures above 500 °C exposes the platinum to contamination. If the PRT is used as a reference or calibration standard, contamination is a major problem. SPRTs, which are more expensive and delicate, can handle the higher temperatures, but with greater risk to the instrument due to shock, contamination, or mishandling. The 5626 and 5628 are designed to reduce the contamination risk through the use of internal protection while not impairing performance. 

In addition to the right measurement performance and durability, a PRT for secondary applications should be priced affordably. Hart’s new PRTs are inexpensive and come with an accredited calibration. The calibration comes complete with ITS-90 constants and a resistance-versus-temperature table. 

Check the temperature range, check the stability, check the price! Who else gives you this much quality, performance, and value for your money? No one! 

Click here to view (in PDF format) a technical paper presented at NCSL 2000 on the Models 5626 and 5628 PRTs.


Temperature Range 

–200 °C to 661 °C 

Handle Temp. 

0 °C to 80 °C 


5626: 100W (±1W)
5628: 25.5W (±0.5W


³ 1.11807 

Calibration Uncertainty (k=2) 

±0.006 °C at –200 °C
±0.004 °C at 0 °C
±0.009 °C at 420 °C
±0.014 °C at 661 °C 


5626: ±0.003 °C
5628: ±0.002 °C 

Long-Term Drift 

5626:  < 0.03 °C/500 hours at 661 °C
5628: < 0.02 °C/500 hours at 661 °C 


At least 12.7 cm (5 in) recommended 


Inconel™ 600 

Lead Wires 

4-wire Super-Flex PVC, 22 AGW 


Gold-plated spade lugs, or specify 


6.35 mm dia. x 305 mm,  381 mm,  or 508 mm (0.25 x 12, 15, or 20 in) standard, custom lengths available 


Accreditated calibration from Fluke Hart Scientific 

Ordering Information 


High-temp PRT, 100W, 305 mm (12 in) 


High-temp PRT, 100W, 381 mm (15 in) 


High-temp PRT, 100W, 508 mm (20 in) 


High-temp PRT, 25.5W, 305 mm (12 in) 


High-temp PRT, 25.5W, 381 mm (15 in) 


High-temp PRT, 25.5W, 508 mm (20 in) 


Spare Case 

Appropriate case included with purchase of 5626 or 5628 PRT.

X = termination. Specify “B” (bare wire), “D” (5-pin DIN for Tweener Thermometers), “G” (gold pins), “I” (INFO-CON for 1521 or 1522 Handheld Thermometers), “J” (banana plugs), “L” (mini spade lugs), “M” (mini banana plugs), or “S” (spade lugs). 

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