Planet Waves PW-GH-HTS

Moisture Sensor with Humidifier for Acoustic and Steel-String Guitars

  • Very flat temperature and humidity sensor
  • Can be stowed in the case (with clasp system)
  • The humidifier can easily be inserted into the sound hole of the guitar without additional holder and clip (snaps on the strings)
  • Releases moisture to the instrument slowly and evenly
57 Customer Ratings:
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3.9 / 5.0
  • quality
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Planet waves PW-GH-HTS Humidity sensor & guitar sound hole humidifier

Johnj185, 15.09.2014
A few years ago I bought my first really good acoustic, a Gibson J185 True Vintage, an amazing guitar & pretty expensive & so I decided from the beginning to look after it properly & that meant keeping it humidified during the winter months when the air in the house dries out with the central heating on constantly.
After doing a lot of research and reading some horror stories of certain brands of humidifiers leaking liquid into some very expensive guitars I chose to go with the Planet Waves HPK-01 Humidipak system which is or (was) (not sure) endorsed by Taylor Guitars which was good enough for me.
I found the HPK-01 system to be excellent & was quite frankly amazed at how well it performed, but as time went by some of those horror stories of leaks destroying guitars I'd read began to play on my mind. I must stress that none of these stories involved the Planet waves HPK-01 system & I have never heard of anyone ever having any kind of problem with that product but the HPK-01 does work by suspending a pouch of a liquid gel type substance that absorbs & releases moisture when required in order to maintain a steady relative humidity level inside the sound hole & eventually the worry, unfounded as it probably was ( I'm sure I'm not alone here) became too much & so I needed to look for something else that didn't involve liquid.
I found a lot of products available which utilise sponges to lock in a minimum amount of water making it safely available for humidification but many of them especially some of the snake types had hard parts which could potentially damage the delicate nitro finish of my guitar...
Then I found the Planet Waves PW-GH-HTS system which includes a fairly accurate humidity sensor & a sound hole humidifier which utilises the sponge idea & hangs in your guitar sound hole suspended by the strings with no hard parts coming in contact with your guitars finish.
Used in conjunction with the PW-SIH-01 small instrument humidifier as a replacement for the headstock compartment pouch of the Humidipak system this is a fantastic product, the only downside is you don't have the ability to absorb moisture when the RH gets too high that you have built into the Humidipak system, & obviously you must monitor the humidity & wet the sponge when required, but on the plus side you get 110% peace of mind. No more worrying!
Great product
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Total
quality

Absolutely useless

David D. 365, 09.02.2016
I have been using the set for 14 days and am disappointed with both the humidifier and the sensor unit. I use it for my Martin guitar, which I store in a closed case to ensure a constant temperature and humidity.

To the humidifier:
The humidifier fits well between the sides and also fits tight. However, the sponge has such a small storage capacity that you have to keep it quasi daily under the tap. The sponge is simply too thin and the material too porous to store a reasonable amount of water without it starting to drip.

To the sensor unit
The processing seems cheap. Already with the careful pressing of the operating and programming buttons the crystal display engulfs and one is afraid to break something. The sensor unit refused after 5 days the service (all fields blinked and the temperature and humidity measurement showed 0). I first went out of a defect, but had to find after the battery replacement, that the battery capacity was already used up. When installing a new battery did nothing at first, which is due to the fact that the battery compartment for the CR2032 cells is simply too large and crazy, the battery from the contacts, so no current flow can come about. I had to manually bend the contact springs with tweezers to make contact again. I hope the fresh battery lasts a little longer now, but I have no high expectations for my research on the net and the reading of other reviews.

In view of the high price and the lower quality, I can only advise against the purchase.
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€35 £30.74
Incl. VAT; plus €10 shipping
Free shipping over €149

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Offers include 20% UK VAT and are valid only whilst stocks last. Delivery to the UK costs 10 EUR (approx. £9), free shipping on orders above 149 EUR. Please click here for more on international delivery costs and times. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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