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Oasis OH-2+ Digital Hygrometer/Thermometer Demo

Digital Hygrometer/Thermometer for Acoustic Instrument Cases with 20-80% Humidity Range and 32-125-degree Temperature Range

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$26.96
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New for $29.95

Condition Notes:

This item is in excellent condition and is in perfect working order. Includes all original accessories. This item ships in its original packaging which shows some signs of wear.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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Oasis OH-2+ Digital Hygrometer/Thermometer
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Our Product Research Team

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Stop Damage from Improper Humidity Before it Starts!

What's the average humidity in your guitar's case? If you had the Oasis OH-2+ Digital Hygrometer/Thermometer, you'd know precisely! Boasting an improved accuracy at the same affordable price as the original OH-2C, the OH-2+ can detect humidity levels +/- 3% between 20–80%, with a wider temperature range from 32–125°. Oasis knows that the number one cause of lackluster performance in acoustic instruments is low or high humidity — it can even damage your instrument if left unchecked in the long term. Just place the OH-2+ Digital Hygrometer/Thermometer in your guitar case, and you'll know instantly what the humidity level is, helping determine when to add a humidifier. Keep your acoustic guitar at top-notch performance with the Oasis OH-2+ Digital Hygrometer/Thermometer!

Oasis OH-2+ Digital Hygrometer/Thermometer Features:

  • In-case solution for monitoring the humidity inside your acoustic guitar case
  • Helps you monitor and maintain optimum humidity level for your instrument
  • Improved accuracy reads +/- 3% between 20–80%; wider temperature range reads from 32–125° degrees
  • Stable case humidity helps prevent warped or cracked instruments caused by incorrect humidity
  • Compact design for convenience
  • Records high-low temperatures for enhanced case-condition monitoring

What is Demo Gear?

At Sweetwater, we're so picky that what we call a "demo" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

What demo means to us is that we've had it out of the box, or maybe it was in a customer's hands for a few days and isn't "factory fresh" as a result. Every demo item we sell has Sweetwater's 2-year Total Confidence Coverage™ warranty, and has been tested and verified up to "new" specs by our factory-authorized technicians to make sure it's in perfect working order before we ship it to you.

When you buy a Demo item at Sweetwater, you get:
  • 2-year Total Confidence Coverage Warranty™!
  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
  • FREE shipping on most items
  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Demo equipment. Purchasing demo gear from Sweetwater is a smart and safe way to save!

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Tech Specs

  • Manufacturer Part Number: OH-2+

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Customer Reviews

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Rated 4/5

Velcro doesn't stick very well

My only comment that precludes a 5 star rating is that the velcro doesn't stick to plush linings inside my guitar cases. Three different cases, same result. I opened up one case to find the unit had fallen away and was sticking to the finish on my $4K Martin. Tense moment! So now it's down to using the metal clips provided. The size of the clips limits where the units can be placed in the case, which could affect accurate readings.
Rated 3/5

Better than most

This hydrometer is much better than their previous ones. I place it (previously calibrated) in a Boveda calibration pack along with my D'Addario Bluetooth hydrometer. Leave it there for 12 hours and note the difference in the D'Addario ap "Guitar Name" ie: -2 HD 28. This remains calibrated till there is a big temperature change then it does need to be recalibrated. If you only use this hydrometer, place it where you can quickly look at it as the RH quickly changes when the guitar case opens.
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