9172-DW-R-156.

Field metrology well calibrator without insert and with built-in reference. Reduce stem conduction errors at high temperatures by using this field metrology well which has 8in (203mm) of depth immersion.

• Exceptional accuracy to ±0.2°C at 425°C
• Accurate enough for lab use and rugged and portable enough to take anywhere
• Best-performing industrial heat sources (accuracy, stability, uniformity) in the world
• Optional ITS-90 reference input reads PRTs to ±0.006°C
• Temperature range (at 23°C ambient) 35°C to 425°C (95°F to 797°F)
• LCD, °C or °F (user-selectable) display
• Data at 100°C, 150°C, 250°C, 350°C, 425°C traceable calibration (NIST)
• RS-232 computer interface
• Ten keys with decimal and +/- button, Functional key and °C/°F key