EasyManua.ls Logo

Extech Instruments 407736 - Battery Replacement; Typical ‘A’ Weighted Sound Pressure Levels

Extech Instruments 407736
5 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
407736-en-GB_V2.5 8/17
4
Battery Replacement
When the low battery message appears on the LCD replace the 9V battery as soon as possible.
The battery compartment cover resides at the bottom, rear of the meter. Slide the battery
compartment cover off, change the battery, and replace the compartment cover.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection sites, the
retail store where the batteries were purchased, or wherever batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take end-
of-life devices to a designated collection point for the disposal of electrical and electronic
equipment.
Typical ‘A’ weighted Sound Pressure Levels
50HP Siren (100')
130
120
110
100
90
80
70
60
50
40
30
20
10
140
0
Jet takeoff (200')
dBA
Riveting machine
Chain saw
Subway (20')
Boiler room
Pneumatic drill (50')
Freight train (100')
Vacuum cleaner (10')
Speech (1')
Large store
Large Office
Small office
Residence
Night residential area
Whisper (5'0)
Sound studio
Threshold of hearing

Related product manuals