Hart Scientific Metrology Well Calibrator Model 9170
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Hart Scientific 9170 Series metrology well calibrators feature new analog and digital control techniques to provide stability as good as ±0.005°C. And with dual-tone control, axial (or "vertical") uniformity is as good as ±0.02°C over a 60 mm (2.36 in) zone. Such performance doesn't exist anywhere else outside of fluid baths. In short, there are six critical components of performance in an industrial heat source: calibrated display accuracy, stability, axial (vertical) uniformity, radial (well-to-well) uniformity, impact from loading, and hysteresis. We added a seventh in the form of a legitimate reference thermometer input and created an entirely new product category: Metrology Wells. Hart Scientific Model 9170 Metrology Well Calibrators The Hart Scientific Model 9170 metrology well calibrator achieves the lowest temperatures of the series, reaching -45°C in normal room conditions. The Hart Scientific Model 9170 metrology well calibrator is stable to ±0.005°C over its full temperature range (up to 140°C) and has 160 mm (6.3 in) of immersion depth. With axial uniformity of ±0.02°C and radial uniformity of ±0.01°C, the Hart Scientific Model 9170 metrology well calibrator delivers exceptional uncertainty budgets and is perfect for a variety of pharmaceutical and other applications. Hart Scientific Model 9171 Metrology Well Calibrator If you need more depth, the Hart Scientific Model 9171 metrology well calibrator provides 203 mm (8 in) of immersion over temperatures from -30°C all the way to 155°C with full-range stability of ±0.005°C. Just like the Hart Scientific Model 9170, the Model 9171 dry-well has exceptional axial and radial uniformity. The display of the Hart Scientific Model 9171 metrology well calibrator is calibrated to an accuracy of ±0.17°C over its full range. Hart Scientific Model 9172 Metrology Well Calibrator Hart Scientific Model 9173 Metrology Well Calibrator For work between 50°C and 700°C, the Hart Scientific Model 9173 metrology well calibrator provides unmatched performance. The Hart Scientific Model 9173 has a display accuracy of ±0.25°C at 700°C and an immersion depth of 203mm (8 in). Stability and uniformity performance of the Hart Scientific Model 9173 metrology well calibrator are enough to dramatically reduce uncertainty budgets for calibrations of thermometers at high temperatures. Of course, there's still a place in the world for dry-wells or "dry block" calibrators. In fact, Hart Scientific makes and will continue to make some of the best performing, portable, fast dry-wells in the world. There's still nothing better for a quick test of industrial temperature sensor performance. Any of six standard inserts may be ordered with each Hart Scientific 9170 Series metrology well calibrator, accommodating a variety of metric- and imperial-sized probe diameters. Probe sizes are indicated in inches for A, B, and C, and millimeters for sleeves D, E, and F except for 0.25 inch reference holes in E and F.
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Groundbreaking new proprietary electronics in the Hart Scientific 9170 Series metrology well calibrators let you bring lab-quality performance into whatever field environment you might work in. 
