Model 3000 Survey meter User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-1 April 2021
1. Turn the instrument over so that the bottom of
the instrument is facing up.
2. Use a straight medium-sized screwdriver to turn
the single screw on the battery cover one-quarter
turn counter-clockwise.
3. Release and remove the battery cover.
4. Replace four AA batteries.
5. Replace the cover and turn screw one quarter of
a turn clockwise to secure.
Getting Started
Unpacking and Repacking
Remove the calibration certificate and place it in a secure location. Remove
the instrument and ensure that all of the items listed on the packing list are
in the carton. Check individual item serial numbers and ensure calibration
certificates match between instruments and detectors (if applicable). The
Model 3000 serial number is located on a label on the front side of the unit.
To return an instrument for repair or calibration, provide sufficient packing
material to prevent damage during shipment.
Every returned instrument must be accompanied by an Instrument
Return Form, which can be downloaded from the Ludlum website at
www.ludlums.com. Find the form by clicking the “Support” tab and
selecting “Repair and Calibration” from the drop-down menu. Then choose
the appropriate Repair and Calibration division where you will find a link to
the form.
Battery Installation
A low-battery indicator appears at the top of the LCD when less than 16
hours of battery life remain. When this indicator is present, follow these
steps to replace the four standard AA batteries:
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