Cigar Oasis Caliber IV Slim Digital Hygrometer

Cigar Oasis

The latest version of the acclaimed Caliber series from Western Humidor (now Cigar Oasis) Western Humidor has always been known as the maker of the most accurate hygrometers in the cigar industry and beyond. The Western Humidor Caliber was the original digital hygrometer for the cigar industry.

The famed Caliber IV features a slim profile design, humidity & temperature readings & Fahrenheit/Celsius switchable. It arrives pre-calibrated out of the box. Gauges between 20-90% Relative humidity (RH)

  • Advanced humidity sensor maintains accuracy to +/- 1%
  • User recalibrate-able
  • Slim profile design
  • Humidity & temperature readings
  • Three day high/low & averages for humidity & temperature
  • Fahrenheit/Celsius switchable
  • Secure magnetic mount
  • Battery included

Dimensions: Length: 4” Width: 1.3” Depth: 0.4”


Customer Reviews

Based on 1185 reviews
Nickolas Asad

Accurate out of the box. Easy to read. Mounted perfectly in my coolidor.

Great hydrometer for the $$$

Been using the cigar oasis caliber IV
Since around 2015 I have ten of them in imho
It's the best on the market for the price and being calibrateble always spot on
Very dependable don't take up much space in humidor with this and boveda it make keeping my sticks effortless can't go wrong with this unit

Sherif Kaldas
Excellent service

I had a problem with my hygrometer. The company got back to me right away and the rep offered to send a replacement. I got the new one. Great service. Thank you!

Sheldon Lloyd Smith
6 Stars

They have the best customer service I have experienced. Earned a customer for life!

James C
Still the best Digital hygrometer on the market

Just received 3 Cigar Oasis Caliber IV Slim Digital Hygrometer in Canada. Well packaged and fast delivery. I compared my 10 years old Weston caliber IV, there are no difference. Still the same, and still the best on the market. Highly recommended