Digi-Sense 25 Ohm, Quartz SPRT, 7x480 mm, -200~500C, Spade

Representative image only.
Digi-Sense Item # EW-90452-68
State-of-the-art, high-accuracy temperature probes at a fraction of the cost
  • Equivalent to Fluke Calibration / Hart Scientific Model 5681 and 5683


$3,396.00USD / Each

$449.00USD / Each

for an additional
$449.00USD / Each
Time to recalibrate? Click on the calibration service to view details, then order.


Specifications & Description

  • Probe TypeSecondary Reference PRT/RTD
  • Min Temperature (° F)-328
  • Max Temperature (° F)1238
  • Min Temperature (° C)-200
  • Max Temperature (° C)670
  • Temperature Accuracy±0.004°C/year at 0°C
  • Response Time (Sec)9
  • Connector TypeSpade Lugs
  • Sheath Length (in)19
  • Sheath Diameter (in)0.2656
  • Description25 Ohm, Quartz SPRT, 7x480 mm, -200~500C, Spade


Each SPRT comes with a wood carrying case.

Key Features

  • Equivalent to Fluke Calibration / Hart Scientific Model 5681 and 5683

More About this Item

AM1950 and AM1960 Series—Standard platinum resistance thermometer SPRT probes: SPRT's are used to interpolate temperature in the range from -189.3442°C to 660.323°C on the International Temperature Scale of 1990 (ITS-90). They are widely used as standard or reference thermometers to calibrate other thermometers and to measure temperature precisely in primary and secondary laboratories. Digi-Sense SPRTs feature a extremely low drift rate, outstanding stability and repeatability. The AM1950 and AM1960 come with a quartz sheath.

Accuracy is dependent on the estimated measurement uncertainty of the calibration service providing the calibration.

Probes may be available in different lengths and terminations than what is shown in the ordering table above: please contact our Application Specialists for special order options.




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