NGR Quick Start Guide

NGR Quick Start Guide
Introduction
Getting Started
Measure a Sample
Load the Results
Data Review
Credits
Archived Versions

Introduction:
The Natural Gamma Ray Logger (NGRL) measures the ammount of natural gamma radiation within whole-round core sections.
Preparing the Instrument:
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Preparing the Section (Samples ??):

1. Wipe off excess moisture and/or mud from the core line.
2. Tape any drill holes, when applicable.

Note: All core sections entering the NGR must be completely dry. Any moisture or liquids present will damage the instrument.
Making a Measurement:
Note: If you would like to change measurement parameters, please contact the PP technician.

1. Place section in the core tray. Make sure the section is oriented blue endcap towards the instrument, and is flush against the top of the metal boat (Figure ).
2. Click Start. The Section Information screen is displayed.
3. Place the cursor in the SCAN field and scan the section label. SAMPLE ID and LIMS ID automatically fills. These ID tags contain information on expedition, site, hole, core, section number and length.

Additional entry field options are the LIMS and MANUAL tags.

1. Enter sample length into User Length. Round down to the nearest centimeter.
2. Double-click MEASURE.
3. The boat moves to the first measurement position, and begins measurements. If selected, the boat moves to the second position, and begins measurements. The typical measurement rate is 300 seconds each position.
4. Once the measurement is complete, the boat returns to the original position.
5. All instrument data are stored in C:\DATA\IN
6. Data is automatically uploaded to the LIMS database, and is available to view on LORE and LIVE. If data is not instantly visible, please contact the PP technician.