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Fisher Scientific™ Traceable™ Printing Hygrometer/Thermometer

Provides permanent hard copy results

Brand:  Fisher Scientific™ 4181

UNSPSC : 41112301

Code : 46

Additional Details : Weight : 0.20000kg

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Product Code. 11739835

  • £650.00 / Each

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Includes: Humidity/T1 and T2 probes and cables, probe holder, paper, carrying case, six “AAA” batteries and Traceable™ Certificate



  • Automatically prints current humidity/temperature, temperature 2, dew point, date and time at any programmed interval or at the press of a button
  • Printer can be programmed to automatically and repeatedly print any increment from 6 seconds to 59 minutes, 59 seconds
  • Answers in less than 10 seconds
  • Time displayed in 24-hr. military time to the minute
  • Tough ABS plastic case is chemical- and shock-resistant
  • Printer provides hard copy for today's stringent QC documentation

 Relative Humidity

  • Range: 10 to 95% RH
  • Resolution of 0.1%
  • Accuracy: ±3 RH% midrange, 5% RH elsewhere

T1 Temperature
  • Range: -20° to +60°C (-4° to +140°F)
  • Resolution of 0.1°
  • Accuracy: ±1°C (±1.8°F)

T2 Temperature
  • Range: -200° to +1333°C (-328° to +2431°F)
  • Accuracy: ±0.2% of the reading plus 1.8°C
  • Resolution: 0.1°C (from -200° to +999°C), 0.1°F (-328° to +999.9°F), otherwise 1.0°

Order Info

Measures 7.5 × 3 × 1.5 in. (19.1 × 7.6 × 3.8cm). Humidity probe, 0.75 in. dia. × 6.25 in. L. Weight, 10 oz. Accessory adapter for continuous AC operation available (11-661-17C, order separately).


A Traceable certificate is provided to indicate instrument traceability to standards provided by the National Institute of Standards and Technology (NIST™). Calibrated by an ISO™ 17025 calibration laboratory accredited by A2LA™.


Meets federal requirements for CLIA specifications.

Description & Specifications


ISO 17025, A2LA, NIST
3 x 1.5 x 7.5 in. (7.6 x 3.8 x 19cm)
Humidity/T1 and T2 probes and cables, probe holder, paper, carrying case, six AAA batteries and traceable certificate
ABS Plastic
±3 to ±5%
Printing Hygrometer/Thermometer
30 to 95%
Solid state
-20° to 60°C
Ideal for use in hoods, cleanrooms, food storage areas, drug manufacturing, all air analyses and environmental chambers. Reliable unit monitors relative humidity and temperature in the lab, plant and field