LUDLUM 177-56 Manuals

LUDLUM 177-56 Manuals

Manuals and User Guides for LUDLUM 177-56. We have 1 LUDLUM 177-56 manual available for free PDF download: Technical Manual

LUDLUM 177-56 Technical Manual

LUDLUM 177-56 Technical Manual (51 pages)

RATEMETER

Brand: LUDLUM | Category: Measuring Instruments | Size: 12 MB

Table of Contents

Table of Contents
6
Introduction
8
Getting Started
9
Unpacking and Repacking
9
Preparing the Instrument for Use
9
Operating the Instrument
10
Specifications
11
Description of Controls and Functions
13
Front Panel
13
Back Panel
14
CAL Control - Alpha
15
Internal Controls (Overhaul Only)
16
CAL Control - Beta
16
Safety Considerations
17
Environmental Conditions for Normal Use
17
Cleaning Instructions and Precautions
17
Warning Markings and Symbols
18
Electrical Safety Precautions
18
Calibration and Maintenance
20
Calibration
20
Establishing an Operating Point
21
Maintenance
22
Troubleshooting
23
Troubleshooting Electronics that Utilize a GM or Scintillation Detector
23
Troubleshooting GM Detectors
24
Troubleshooting Scintillators
25
Technical Theory of Operation
26
Amplifier
26
Discriminator
26
Digital Analog Conversion
26
Time Constant
27
Reset
27
High Voltage (HV)
27
Low Voltage
27
Battery Charge
28
High Voltage Test
28
Battery Test Voltage
28
Recycling
29
Parts List
30
Model 177-56 Ratemeter
30
Calibration Board, Drawing 347 × 132
33
Power/Data Board, Drawing 347 X 489
37
Wiring Diagram, Drawing 347 × 613
37

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