DIGITAL
SOUND LEVEL METER
12442
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
sound levels in a given environment. An indication of
temperature is also shown. This device is best used for
measuring ambient noise. 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.:
Sound measurement
Measurement range:
Dynamic rage:
Frequency range:
Accuracy:
Resolution:
Frequency weighting: A-weighted
Time weighting: 0.125s (Fast mode) /1.0s (Slow mode)
Microphone: 1⁄ 2" electrets condenser microphone
Temperatre measurement
Measurement range :
Accuracy :
Resolution :
Operating time:
Batteries:
12442
180-DSLM-1
35–135dB
50dB
31.5–8,000Hz
±2.0dB
0.1
-20 to +70°C
±1.5°C / ±2.7°F
0.1
Up to 60 hours
3 × 1.5V AAA (not supplied)
Permissible ambient conditions:
Operation:
Storage:
Dimensions:
Weight (with batteries):
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.
− 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.
• DO NOT use this product in environments in which
dust, steam or smoke are present as this may interfere
with the readings.
• DO NOT use this device in environments that exhibit or
are affected by strong magnetic fields.
• DO NOT use this product if it exhibits abnormal
behaviour and have it checked by a qualified and
authorised technician before next use.
• Keep a lose but firm grip on the device and hold it as
steady as possible as vibrations may affect the
measurements recorded.
• DO NOT abuse, mutilate or burn the battery.
• Keep this product out of reach of children.
EN
Original Instructions
Version 1 – June 2023
Temperature
Humidity
-20 to +60°C
10–90% RH
(-4 to +140°F)
-20 to +60°C
10–75% RH
(-4 to +140°F)
W 56 × H 144 × D 30.5mm
123.5g
Need help?
Do you have a question about the 12442 and is the answer not in the manual?
Questions and answers