---
product_id: 254231207
title: "Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count"
brand: "boveda"
price: "NT$683"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/254231207-boveda-one-step-hygrometer-mess-free-calibration-kit-preloaded-75
store_origin: TW
region: Taiwan
---

# 1-year multi-use lifespan 75% RH precise humidity control airtight, mess-free calibration bag Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count

**Brand:** boveda
**Price:** NT$683
**Availability:** ✅ In Stock

## Summary

> 💧 Calibrate with confidence—accuracy that keeps you ahead of the curve!

## Quick Answers

- **What is this?** Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count by boveda
- **How much does it cost?** NT$683 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/254231207-boveda-one-step-hygrometer-mess-free-calibration-kit-preloaded-75)

## Best For

- boveda enthusiasts

## Why This Product

- Trusted boveda brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Zero Mess, Zero Stress:** Airtight high-density bag keeps calibration clean and hassle-free—no spills, no fuss.
- • **Plug & Play Calibration:** No activation needed—just zip, wait 24 hours, and get accurate readings every time.
- • **Precision You Can Trust:** Patented saltwater-based Boveda tech ensures exact 75% relative humidity for flawless calibration.
- • **Universal Compatibility:** Perfect for digital and analog hygrometers plus humidity sensors—stay precise across all devices.
- • **Long-Lasting Reliability:** Reusable for multiple calibrations with a shelf life of 2 years unopened and 1 year in use.

## Overview

The One Step Hygrometer Mess Free Calibration Kit by Boveda offers a patented saltwater-based solution delivering a stable 75% relative humidity environment for precise calibration of digital and analog hygrometers. Featuring an airtight, high-density bag for mess-free use, it requires no activation and lasts up to one year for multiple calibrations, ensuring reliable, maintenance-free accuracy.

## Description

Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count

## Features

- PATENTED SALTWATER-BASED BOVEDA is the ultimate salt test! Do-it-yourself calibration methods, like bottle cap salt tests are imprecise and inaccurate
- 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
- Completely maintenance free - no activation required. Easy to use.
- Lasts approximately one year, good for multiple calibrations. Shelf life before opening is a minimum of 2 years.
- Produces an environment of 75-percent humidity
- Exterior Bag Dimensions: 5.5" x 7"
- Interior Bag Dimensions: Approx 4" x 4.5"
- Bag Dimensions: 4.5-Inch x 9-Inch.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Boveda |
| Model Number | CAL75-SM |
| Product Dimensions | 11.43 x 22.86 x 0.64 cm; 10 g |
| Material | Plastic |
| Item Weight | 10 g |

## Product Details

- **Brand:** Boveda
- **Product dimensions:** 14.3W x 0.3H centimeters
- **Item weight:** 14 g
- **Battery description:** No battery needed
- **Upper temperature rating:** 30 Degrees Celsius

## Images

![Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count - Image 1](https://m.media-amazon.com/images/I/71mvEOsEtFL.jpg)

## Frequently Bought Together

- Boveda One Step Hygrometer Mess Free Calibration Kit – Preloaded 75% RH 2-Way Humidity Control – Hygrometer Accuracy – Precise Test for Digital and Analog Hygrometers and Humidity Sensors – 1 Count
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-26*