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14C
LUDLUM 14C User Manual
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Model 14C Survey Meter
Ludlum Measuremen
ts, Inc.
Page
25
July 2022
11.
Dra
w
ing
s and Diagrams
MAIN BOARD, Drawing 464 × 454 (4 sheets)
MAIN CIRCUIT BOARD LAYOUT, Drawing 464 ×
455
A (2 sheets)
HV POWER SUPPLY BOARD, Drawing 464 × 302
HV POWER SUPPLY BOARD LAYOUT, Drawing 464 × 303
MAI
N WI
RIN
G DI
AG
RAM,
Dr
awin
g
464
×
175
28
30
Table of Contents
Table of Contents
3
Introduction
5
Getting Started
6
Unpacking and Repacking
6
Battery Installation
6
Connecting a Detector to the Instrument
7
Battery Test
7
Instrument Test
7
Reading the Meter-Face Dial
7
Operational Check
10
Specifications
11
Identification of Controls and Functions
12
Safety Considerations
13
Environmental Conditions for Normal Use
13
Warning Markings and Symbols
13
Cleaning and Maintenance Precautions
14
Calibration and Maintenance
15
Calibration
15
Establishing an Operating Point
15
Setting Overload
16
Range Calibration
16
Maintenance
16
Recalibration
16
Batteries
16
Troubleshooting
18
Troubleshooting Electronics Which Utilize a GM Detector or Scintillator
18
Troubleshooting GM Detectors
20
Troubleshooting Scintillators
20
Technical Theory of Operation
21
Recycling
23
Parts List
24
Model 14C Survey Meter
24
Main Board, Drawing 464 × 454
24
HV Power Supply Board, Drawing 464 × 302
26
Wiring Diagram, Drawing 464 × 175
27
Drawings and Diagrams
29
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LUDLUM 14C Specifications
General
Brand
LUDLUM
Model
14C
Category
Measuring Instruments
Language
English
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