Ludlum Measurements 375 - Table of Contents

Ludlum Measurements, Inc. May 2017
Table of Contents
Introduction 1
Getting Started 2
External Detector (Option) 2-1
Power Up 2-1
Radiation Units 2-2
Checking Parameters 2-2
*Model 375 Series One 2-3
Setting Alarm Points 2-3
Operational Check 2-4
Return for Repair and Calibration 2-5
Specifications 3
Operator Controls and Setup 4
Calibration Controls 4-1
Dipswitch (under calibration cover) 4-2
RS-232 Output 4-3
9-Pin Remote Data Connector 4-3
9-Pin Relays Connector 4-4
Typical Internal Detector Setups 4-4
Common Options and Modifications 5
Relay Options 5-1
Ethernet Interface Option 5-5
Time and Date Stamp Option 5-5
Printer DIP Switch Settings 5-6
Sigma Alarm Modification Option 5-7
4 to 20 mA Isolated Output Driver Option 5-8
Safety Considerations 6
Environmental Conditions for Normal Use 6-1
Cleaning Instructions and Precautions 6-1
Warning Markings and Symbols 6-2
Electrical Safety Precautions 6-3
Replacement of Main Fuse 6-4