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Boveda for Cigars | One-Step Calibration Kit | Preloaded with 75% RH 2-Way Humidity Control | Precise Salt Test for Digital and Analog Hygrometers and Humidity Sensors | 1-Count

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About this item:

  • INACCURATE HYGROMETER READINGS PUT PREMIUM CIGARS AT RISK. Precisely calibrate digital and analog hygrometer and humidity sensors, so they give accurate relative humidity (RH) readings of what’s going on inside a humidor
  • PATENTED SALTWATER-BASED BOVEDA is the ultimate salt test! Do-it-yourself calibration methods, like bottle cap salt tests are imprecise and inaccurate. Trust only Boveda, the global leader in 2-way humidity control
  • EASY, MESS-FREE CALIBRATION—Simply place a hygrometer or humidity sensor in the airtight high-density bag with the enclosed Boveda humidity pack. Zip closed and check back in a day
  • GET PRECISE RH READING IN JUST 24 HOURS—If a hygrometer doesn’t read 75% RH, adjust by the number of points it’s off, then re-test. For added accuracy, do a 2-point calibration with a 32% RH Boveda One-Step Calibration Kit (sold separately)
  • REUSABLE FOR MULTIPLE HYGROMETERS/SENSORS—Good for 3 months after opening (2 years if unopened in original packaging). Re-calibrate a hygrometer or humidity sensor every 6 months to keep it performing effectively

    • The Boveda One-Step Calibration Kit is a simple and surefire method to accurately calibrate any digital or analog hygrometer or humidity sensor.
    The One-Step Calibration Kit utilizes Boveda's 75.5% relative humidity standard, which is widely used and accepted by chemists and lab professionals to determine the accuracy of any hygrometer (also known as the \"salt test\").
    Simply place your hygrometer inside the bag, close the zipper, and wait 24 hours. A perfectly-calibrated hygrometer will read 75% Rh. If your hygrometer reads above or below 75%, adjust the calibration by the number of percentage points it is off from 75%.

    Indications

    Hygrometer calibration

    Review:

    4.5 out of 5

    89.23% of customers are satisfied

    5.0 out of 5 stars Excellent

    T. · 9 October 2018

    I'm in the process of designing a product that measures the temperature and humidity of beehives. There are plenty of temperature sensors on the market that are cheap and accurate, but humidity sensors are generally pretty expensive in comparison and, as I've discovered, wildly inaccurate.Having purchased a sensor that I had some confidence in, I needed to test it. I created my own testbed, with very accurate control of temperature, but I needed a way to accurately define a level of humidity.There are a plethora of YouTube vids on the subject demonstrating how this can be achieved using a home-made salt solution in a bottle cap, but even having purchased some lab-grade sodium chloride and distilled water my results were all over the place. It was while I was doing more research along these lines when I can across some adverts for Boveda products in relation to maintaining the humidity in humidors, a cupboard for cigars.Looking at the Boveda website I discovered that they produce larger product packs for cigars, but also produce smaller packs with high tolerance chemical solutions that can be used for hygrometer (an instrument used for measuring the amount of humidity and water vapour in the atmosphere) calibration and purchased a pack.The Boveda One-Step Hygrometer Calibration Kit allows a high degree of reliability, with a high degree of accuracy simply by placing the hygrometer, or in my case the sensor, in a small airtight container. The kit comes complete with an air-tight plastic bag and the Boveda humidity pack. To use it, you just put the device to be tested in the bad and let the humidity in the bag settle for 12 hours or so, it's as simple as that.In my case, I placed the sensor in a small bag, sealed the bag around the wires from the sensor and placed the whole pack into my chiller. At a consistent 21.5 DegC (+/- 0.3 DegC), I let the sensor soak for a day and then analysed the results.Long story short then, the results where excellent. Incredibly stable humidity results, at exactly the level I was expecting, well within the tolerances stated by Bovida and the sensor I was calibrating during my experiments. I certainly won't be mucking about with salt solutions any more.My only regret is that I've spent a fair amount of money of lab-grade chemicals and that my better half is getting peeved with the 1Kg of salt that's taking up cupboard space. Still, I guess I can use it on my fish & chips?

    5.0 out of 5 stars Perfect Calibration for Small Hygrometers

    A. · 12 April 2017

    This is a must have for anyone wanting to check and adjust a small hygrometer. Very easy to use and gives reliable results. Even if your hygrometer is not adjustable you can at least see if it is in error and mentally compensate to get a true RH reading.

    5.0 out of 5 stars Great way to get it right.

    S.b.t.p. · 1 March 2019

    This is the 4th time I have used this kit. I buy a new one every time I set a humidore up for a friend. It is suprising how off some hydrometer are. This works great every time to get them dialed in.

    4.0 out of 5 stars Nice to find a low cost standard for checking humidity sensors.

    D.J.W.H. · 17 March 2015

    Going back to first principles in a standard package - it was brilliant for a small wireless humidity sensor. I bought a pack of low and high RH and was able to check two sensors at low and two sensors at high. I have not yet swapped the sensors to do both sets of readings but would seem to be easy to do. Only complaint is that I would like a larger plastic sleeve in order to test larger sensors. And what to do about sensors that have wire connections to a controller?

    5.0 out of 5 stars So easy

    R.T. · 22 August 2021

    Very much the easiest way to recallibrate hydrometers. Can check multiple devices one after the other. Fast delivery and good price

    5.0 out of 5 stars Really pleased with this

    T. · 30 November 2017

    Really pleased with this, allowd me to easily calibrate my hygro no bother and once done it doubled as a mini humidor for a couple of junior coronas I had kicking about so win win.

    3.0 out of 5 stars The bag is too small

    j. · 27 February 2020

    My wife binned this by accident, it was a touch too small anyway. I now just use any zip lock bag and buy the packs separately.

    5.0 out of 5 stars Does what you need without the mess

    S. · 5 February 2018

    Easy to calibrate your hygrometer without having to to the water and salt test.Works as advertised time and time again.

    WORKS AS ADVERTISED

    P.f.L. · 4 November 2024

    Works as advertised to calibrate an hygrometer.

    Looks Easy(?)

    C. · 2 October 2024

    The idea is elegant! The magic potion inside the sealable envelope will maintain a stable humidity inside the envelope that your hygrometer must match.Leave it in there for a couple of hours (8, actually) and see what your hygrometer reads through the transparent bag. Then, take it out and turn it up or down, depending on how many clicks or turns it takes to match. Stick it back inside the back to make sure you got it right.I believe that—as long as the bag remains well sealed—the magic goop inside remains potent to maintain the set humidity. (But I used to believe in the tooth fairy as a kid too.)

    Nice product - needed help

    B.G. · 10 January 2024

    Was driving myself crazy trying to find out if my hygrometers were accurate or not. Simple to use. Seems accurate overall. Only concern is the most accurate you can guarantee to get your hygrometer is to +- 2%. On the bag it mentions that there could be up to a 2% error with the Boveda packs themselves. Bout the most accurate you can get the simplest way with this product.

    producto caducado y bolsa muy chica

    R.M. · 11 December 2022

    no recomiendo comprar los kits de calibracion. el kit que yo compre de 32% HR ya tenia un año de haber caducado. Y la bolsa para meter el higrometro es muy chica. Mejor recomiendo comprar las Bovedas de 58% y 75% HR y calibrar tu higrometro con ellas. Puedes usar bolsas de ZipLock.

    Está bien

    J.A.S.M. · 22 January 2025

    Está bien

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    Boveda for Cigars | One-Step Calibration Kit | Preloaded with 75% RH 2-Way Humidity Control | Precise Salt Test for Digital and Analog Hygrometers and Humidity Sensors | 1-Count

    4.4

    BHD7850

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    Product origin: United Kingdom

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