Model 44-150-3 Gamma GM Detector
Ludlum Measurements, Inc.
Page 2
May 2021
Unpacking and Repacking
Remove the calibration certificate or detector functional check
certificate and place it in a secure location. Remove the
detector(s) and accessories (if applicable) and ensure that all
items listed on the packing list are in the carton. If multiple
detectors are included, refer to the calibration certificates for
serial number (SN) matches. The Model 44-150-3 serial
number is located on the side of the detector.
To return an instrument or detector for repair or calibration,
provide sufficient packing material to prevent damage during
shipment and affix appropriate warning labels to promote
careful handling.
Every returned instrument must be accompanied by an
Instrument Return Form
, which can be downloaded from
the Ludlum website at
. 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.