Traceable® Jumbo Thermo-Hygrometer

  • Jumbo 1-inch digits display humidity, temperature—read from 35 feet away
  • Simultaneously displays ambient relative humidity and (internal probe and external probe) temperatures °F/°C with dual-recall memories
  • Both sensor and 10-foot cable perform accurately when under water
  • Fulfills CLIA specification 493.1207
  • Response time is less than 30 seconds
RH Range 20 to 99% RH
RH Resolution 1% RH
RH Accuracy ±2% RH mid-range to ±4% RH elsewhere
Probe Temperature Range –50 to 70°C (–58 to 158°F)
Temperature Resolution 0.1°
Temperature Accuracy ±1°C
# of Probes 1 Internal / 1 External Bullet™ Probe
Ambient Temperature Range 0 to 50°C (32 to 122°F)
Ambient Temp Resolution 0.1°
Ambient Temp Accuracy ±1°C
LCD Digit Size 1.125 in
Dimensions 4-1/4″x4″x3/4″
Weight 5-3/8 ounces
Supplied With Flip-open stand, wall mount, battery, Traceable® Certificate



External probe range is –58 to 158°F and –50 to 70°C (OUT reading). Ambient internal probe range is 32 to 122°F and 0 to 50°C (IN reading). Resolution is 0.1° and accuracy is ±1°C. Humidity range is 20 to 99%, resolution is 1% RH, and accuracy is ±2% RH mid-range to ±4% RH elsewhere. Display is updated once per second. Minimum and maximum memories may be displayed or cleared at any time with the touch of a button. They permit monitoring conditions overnight, on weekends, or for any time period. Jumbo 1-1/8-inch display may be read from as far away as 35 feet.


Multi-point calibration on an individually-numbered Traceable® Certificate which assures accuracy from our ISO/IEC 17025:2017 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.


Meets federal requirements for CLIA specification 493.1207 for monitoring temperature and humidity. Self-contained, stable, accurate unit requires no adjustment or maintenance. Case is chemical- and shock-resistant ABS plastic. Supplied with flip-open stand, wall mount, and AAA batteries. Size is 4-1/4 x 4 x 3/4 inches. Weight is 5-3/8 ounces. Replacement battery Cat. No. 1105.

Additional information

Weight 0.33 lbs

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