Extech Instruments VB300 Manual do Utilizador descarregar pdf (Página 10)

VB300-en-US_V1.4 8/14

BatteryReplacement

The VB300 does not lose its stored readings when the battery expires or when the

battery is replaced. The data logging process will howeverbe stopped and cannot be

re‐started until the battery has been replaced and the logged data has been

downloadedtoPC.



Thebatterylifeis

ratedforapprox.1000hours.Ifindoubt,replacethebatterybefore

logging critical data. Use only 3.6V lithium batteries. Before  replacing the battery,

removethedataloggerfromthePC.



Note: When the VB300 is connected to the USB port, its battery discharges at a

higher rate than normal. To

conserve battery life, do not leave the VB300

connectedtotheUSBportforaprolongedperiodoftime.



1. Remove the two Phillips screwsidentified with the two smaller arrows in the

diagrambelow.

2. Slidethebatterycompartmentcoverinthedirectionofthelargerarrow.

3. Replace

thebatterywithoneofthesametype(3.6Vlithium,½AA1.0Ah,Saft

LS‐14250orequiv).

4. Closethebatterycompartmentandtightenwiththetwoscrews.



WARNING: Handle lithium batteries carefully, observe warnings on battery casing.

Disposeofinaccordancewithlocalregulations.



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Extech Instruments VB300 Manual do Utilizador Página 10