Important Safety Information; What’s Included; Features; Functions - multicomp pro MP780904 User Manual

Important Safety Information

Read these instructions carefully before use and retain for future reference.
• Please operate according to this manual, otherwise the protection provided by the device will be impaired or fail.
• C heck the condition before using. If you find any cracking, breakage, damage or abnormality, or you consider the device
broken, stop using the device immediately
• Do not store or operate the instrument at high temperature and high humidity environment.
• Keep microphone dry and avoid severe vibration.
• Replace the batteries as soon as the low battery indicator appears on the display.
• Remove dead batteries from the meter or if it is not going to be used for a long time.
• Never mix old and new batteries together, or different types of batteries.
• Never dispose of batteries in a fire, or attempt to recharge ordinary batteries.
• Before replacing the battery, turn off the sound level meter.
• To prolong battery life turn off the sound level meter after use.
What's Included
• Sound level meter with foam windshield
• 9V battery, 006P or IEC 6F22 or NEDA 1604. (included)
• Instruction manual

Features

This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial
safety offices and sound quality control in various environments.
This unit conforms to the IEC61672-1 type 2, ANSI S1 .4 type 2 for Sound Level Meters.
Ranges from 30dB to 130dB at frequencies between 31.5Hz and 8kHz.
Display with 0.1 dB steps on a 4-digits LCD.
Two equivalent weighted sound pressure levels, A and C.

Functions

1. Windscreen.
If you operate at wind speed over 10m/sec, please put protective
accessories in front of the microphone.
2. LCD display.
3. Power ON/OFF button.
4. Backlight button ON/OFF.
5. Weighting A/C-Weighting Select Button.
A-Weighting. For general sound level measurements.
C-Weighting. For checking the low frequency content of noise.
Note: If the C-Weighted level is much higher than the A-Weighted level,
then there is a large amount of low-frequency noise.
6. Time Weighting Select Button.
F (fast response): for normal measurements (fast varying noise).
S (slow response): for checking average level of fluctuating noise.
7. Level Range Select Button.
Lo: 30 - 100dB.
Hi: 60 - 130dB.
Note: When "OVER" is indicated, the ranges witch to another range for measurement.
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