Meter Description; Operation - Extech Instruments VB450 User Manual

Meter Description
1. LCD Display
2. Three‐position switch
(selects measurement
units)
3. Sensor and magnet
4. Lanyard
5. Power and Data Hold
button
6. Service access nut (do not
loosen; for service use
only)
7. Sensor secure nut (turn
counter‐clockwise to loosen)
Battery Compartment on rear of meter
Operation
Battery Installation and Replacement
Remove the rear battery compartment door by sliding in the direction of the arrow. Install or
replace 9V battery (observe polarity) and replace the cover.
During operation, if the
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.
Selecting units of measure
Press and hold the power button. The display will illuminate and an arrow will indicate the units
selected. Slide the function switch on the top of the meter to select the units desired.
7
symbol appears in the display the battery needs to be replaced.
3
2
1
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EXTECH INSTRUMENTS
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