Table of Contents
Vaisala HMK15 Humidity Calibrator
- Description: Calibration set up for Vaisala Humidity Sensors
- Manufacturer: Vaisala
- Manufacturer Spec Site: Vaisala HMK15 Humidity Calibrator
- Model: HMK15
- Manual: HMK15 User Guide
Parts
- Main Board
- Salt Solution Chambers (x2)
- Sensor Cap Attachment (x2)
- Sensor Cap Plugs (x10)
- Thermometer
- Measuring Cup
- Plastic Probe/Stirring Stick
- Adapter Rings (x3)
- Salts
- NaCl (75% RH)
- K2SO4 (97% RH)
- Calibration/Preparation Date Tags
- Certificate of Calibration/Inspection
Calibration Process
Need:
- HMK15 Humidity Calibrator
- Vaisala Humidity Sensor
- Deionized water
Steps:
- Prepare salt solutions
- Depending on the frequency of use and the general operating conditions, the salt solutions maintain their characteristics for 6 - 12 months, after which they must be replaced. Perform a visual check every 2 - 3 months. There must be a minimum of 10 % of undissolved salt at the bottom of the chamber (max. 90 %). The salt must be clean, otherwise it must be reprepared.
- Wait 24 hours
- Calibrate Instrument