Secondary Reference Thermistor Probes

Thrmstrs

Secondary Reference Thermistor Probes    

Range 0°C to 100°C

Accuracy and stability to ±0.02°C

Includes NIST-traceable calibration

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Specifications

Resistance

Nominal 10,000W at 25°C

Range

0°C to 100°C

Calibration

R vs. T table with 0.1°C increments, interpolation equation furnished

Accuracy

Table and equation are accurate to ±0.01°C

Stability

Better than ±0.01°C per year

Repeatability

Better than ±0.01°C

Size and Construction

See Table

Termination

Gold-plated spade lugs are standard. Other options available. Specify when ordering.

Instrumentation

Use with Hart Model 1504 Tweener, 1521, 1522, 1529, 1560, 1575, or 1590 thermometers.

Hundreds of thousands of thermistors are sold every year, but only a few have the stability necessary for use as high-accuracy thermometry standards. If you’re looking for economical lab-grade thermistor probes for accurate work across a narrow temperature range, Hart’s 5600 series of thermistor probes are the best you can buy.

A thermistor offers several advantages over a PRT as a reference thermometer in some applications. First, there’s size. A thermistor is much smaller than a PRT element, and so it can be built into a much larger variety of probe shapes and sizes. The smaller element contributes to much faster response times, too.

If your application involves frequent handling, a thermistor is less susceptible to mechanical shock than a PRT. The bottom line may be better accuracy in fieldwork.

Higher base resistance and larger resistance coefficients make it easier to achieve precision readings. Better resolution and accuracy are possible for a lower cost.

These probes come in a complete assembly ready for use, and they make an excellent match with the uncertainties of our thermometer readouts: the 1504 Tweener, the 1521 and 1522 Handheld Thermometers,  the 1529 Chub-E4, the 1560 Black Stack, and the 1575 and 1590 Super-Thermometers.

These probes are accurate to ±0.01°C, and each comes with a NIST-traceable calibration and a resistance versus temperature table printed in 0.1°C increments.

The 5600 series covers the temperature range of 0°C to 100°C. No other sensor can match the accuracy and price combination of Hart’s 5600 series of high-accuracy thermistor probes. Try one and you’ll agree.

Use our Feedback Form for more information, to request a catalog or for a Price Quote