WKHGLVSOD\QRWLILHV\RXWKDWWKHEDWWHULHVDUHORZDQG
VKRXOGEHUHSODFHG
)LJXUH0HWHU6WUXFWXUH
8QGHU$&RSHUDWHGVLWXDWLRQWKHEDFNOLJKWLVDOZD\V
RQFDQQRWWXUQRII
Low Battery Indication
$FRQVWDQWEDWWHU\LFRQ
LQWKHPLGGOHOHIWDUHDRI
Warning
To avoid false readings, which could lead to possible
electric shock or personal injury, replace the battery
as soon as the battery icon (
) appears.
The Meter Structure
7KH)LJXUHVKRZVWKH0HWHUVWUXFWXUH
/&''LVSOD\
)XQFWLRQDO%XWWRQV
5RWDU\6ZLWFK
,QSXW7HUPLQDOV
Model DM-442B: OPERATING MANUAL
www.calcert.com
1.800.544.2843
0
5
10
15
20
25
30