Starting at $433.00 Starting at $389.70



  • Field-replaceable temperature and humidity sensors
  • 32 to 122°F (0 to 50°C) temperature range
  • ±0.6°F (±0.3°C) accuracy
  • Simple-to-use interface
  • 2-year warranty on mechanical or manufacturing defects

What's in the Box

  • 9V battery
  • Soft carrying case
  • Manual


The Protimeter HygroMaster L thermo-hygrometer measures relative humidity, air temperature, dew point, and specific humidity (GPP, g/Kg). At the time of purchase, choose between the the short QuikStick for fast-responding full-range measurement or the HygroStick sensor for harsh and high-moisture applications such concrete floors. Both are also available as accessories to purchase in addition or later as replacements. The surface temperature sensor is also available as an accessory.

Protimeter QuikStick and QuikStick ST

  • 0 to 10% RH, ±3% RH at 68°F (20°C)
  • 10 to 90% RH, ±2% RH at 68°F (20°C)
  • 90 to 100% RH, ±3% RH at 68°F (20°C)
  • 32 to 122°F (0 to 50°C) ±0.6°F (±0.3°C)

Protimeter HygroStick

  • 30 to 40% RH, ±3% RH at 68°F (20°C)
  • 41 to 98% RH, ±2% RH at 68°F (20°C)
  • 32 to 122°F (0 to 50°C) ±0.6°F (±0.3°C)

Protimeter HygroMaster 2 Thermo-Hygrometer Applications

  • Flood damage restoration
  • Building survey
  • Concrete moisture
  • HVAC test and measurement
  • Commercial coatings

In Stock

Part Number Price Available
$389.70 2 in stock
$389.70 2 in stock

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