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Semi-Standard Platinum Resistance Thermometers
Isotech, 935 Series Reference PRTs / RTDs
 
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Reference PRT Thermometers: -200°C to 670°C (1238°F)
  • Accuracy: Models as low as ±5mk (0.005°C)
  • Stability: High stability hand wound platinum elemenets
  • Versatility: Many different sizes, constructions and temperature ranges
  • NIST Traceable or ISO-17025 Accredited calibrations available
  • Perfect for Reference probes in Dry Block and Liquid baths

Base Price: $435.00


Product Code: PRTS


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Platinum Resistance Thermometer

Semi-Standard Reference PRT / RTD Thermometer "935 Series"

Our Top Selling Series of Working Standard PRTS

Wide Temperature Ranges
High Stability Reference Probes

These industrial platinum resistance thermometers are ideal for field and lab use. Suitable for use as working standards in Dry Blocks and Liquid Baths or as high accuracy probes for our range of True Temperature Indicators.

All the thermometers are metal sheathed and both less fragile and more affordable than the Isotech range of true Standard Platinum Resistance Thermometers that are used in laboratories and are found in our publication “Solutions for Primary and Secondary Laboratories”.

All the thermometers use hand-made coil wound platinum sensing elements to give high accuracy and low drift. Isotech’s UKAS accredited lab can calibrate to the smallest of uncertainties.

Calibration should be specified to suit the particular operating range and application. Isotech can advise on which service is appropriate to match the temperature range and application.
Universal Specifications
Ro 100Ω ± 0.05 Ω
Alpha 0.003850 ± 0.000005
Standard IEC 60751
Stability less than 0.010 Ω/year
Recommended Current 1 mA
Self Heating at 1mA 0.004°C
Calibration Optional ISO-17025 Accredited Calibration at extra cost.
Connection Four Wire
Specific Probe Information
Model Temp Range Diameter Length Sensing Length Handle
935-14-112 -50°C to 250°C 3mm 225mm 6mm NO
935-14-61 -50°C to 250°C 4mm 300mm 6mm YES
935-14-13 -200°C to 250°C 6mm 350mm 25mm YES
935-14-116 -100°C to 450°C 6mm 350mm 25mm YES
935-14-72 -50°C to 670°C 6mm 375mm 25mm NO
Preferred Models
Model Temp Range Diameter Length Sensing Length Handle
935-14-95L -200°C to 165°C 6mm 480mm 25mm YES
935-14-95H -80°C to 670°C 6mm 480mm 25mm YES
Literature

Isotech 935 Series PRTS 935 Series Manual
935 Series Semi-Standard PRT Datasheet 935 Series Semi-Standard PRT Manual

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