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3-98
LUDLUM 3-98 Manuals
Manuals and User Guides for LUDLUM 3-98. We have
1
LUDLUM 3-98 manual available for free PDF download: Manual
LUDLUM 3-98 Manual (17 pages)
SURVEY METER
Brand:
LUDLUM
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
3
1 General
4
2 Specifications
4
3 Description of Controls and Functions
4
4 Operatingprocedures
5
5 Calibration
5
Detector Operating Point
5
Calibrating CPM Meter Dial
6
6 Maintenance
6
7 Theoryofoperation
7
Input
7
Amplifier
7
Discriminator
7
Audio
7
Digital Analog Convertor
7
Scaleranging
7
Meterdrive
7
Metercompensation
7
Fastblow Time Constant
7
Low Voltage Reference
8
High Voltage Supply
8
Partslist
9
Model 3-98 Survey Meter
9
Circuit Board. Drawing 363 X 525
9
Calibration Board. Drawing no 363 X 528
10
363 X 582
10
Drawingsanddiagrams
12
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