Draper 12444 Original Instructions

DIGITAL
HYGROMETER
12444
Read this manual in full before using this product and retain it for future use. Always use the latest version of the manual.
Please visit drapertools.com/manuals for the latest version.
1. Intended Use
This product is a hand-held device designed to measure light levels in a given environment. An indication of ambient
temperature is also given. Any other application beyond the conditions established for use will be considered misuse.
Draper Tools accepts no responsibility for improper use of this product.
Part of our core range, this product is suitable for regular use by enthusiasts and tradespersons alike.
2. Specification
Stock No.
Part No.
Measurement ranges
Relative humidity
Temperature (°C)
Temperature (°F)
Dew point temp.
Wet bulb temp.
Operating time
Batteries
Permissible ambient conditions
Operation
Storage
Dimensions
Weight (with batteries)
*Accuracy is based on ambient conditions of 25°C, 40–100% RH.
3. Health and Safety Information
Important: Read all the Health and Safety instructions before attempting to use this product.
• Use this product ONLY as instructed in this manual.
• DO NOT attempt to open, dismantle or modify this
product in any way.
• Before every use, inspect the device for missing,
broken, loose or corroded parts and battery leakage.
− DO NOT use this product if it is damaged in any
way; contact Draper Tools to discuss repair and
replacement options.
12444
180-DH-1
Range
0–100%RH
-20 to +70°C
-4 to +158°F
As temps.
As temps.
up to 50 hours
3 × 1.5V AAA (not supplied)
-20 to +60°C (-4 to +140°F)
-20 to +60°C (-4 to +140°F)
W 56 × H 168 × D 30.5mm
125g
Resolution
0.1 ±3.0% RH (45–75% RH) / ±4.5% RH (others)
0.1
0.1
0.1
0.1
Temperature
− If battery acid comes into contact with your skin,
wash it off immediately with plenty of clean water.
− If battery acid comes into contact with your eyes,
flush them with plenty of clean water and seek
immediate medical attention.
• DO NOT expose this product to liquids or wet
environments.
EN
Original Instructions
Version 1 – June 2023
Accuracy
±1.0°C
±1.8°F
±1.5°C / ±2.7°F*
±1.5°C / ±2.7°F
Humidity
10–90% RH
10–75% RH