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340
Ballantine 340 Manuals
Manuals and User Guides for Ballantine 340. We have
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Ballantine 340 manual available for free PDF download: Instruction Manual
Ballantine 340 Instruction Manual (24 pages)
RF MILLIVOLTMETER
Brand:
Ballantine
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
3
1 General Information
6
Features
6
Some Applications of the Model 340
6
Technical Characteristics
6
2 Operation
6
Power Connection
6
Line Voltage Conversion
6
Starting Procedure
6
Warmup Period
8
Function of Controls
8
Voltage Measurements
8
For True RMS Voltage Measurements below 30 MV
8
For True RMS Voltage Measurements above 30 MV
8
Possible Error Sources
9
Indicator Remains in Extreme Left Position
9
Indicator Remains in Extreme Right Position
9
Indicator Beats or Flutters
9
Loading Errors
9
Voltage Drop in Connecting Leads
9
Stray Field Pickup
10
Transmission Line Effects
10
Ground Current Errors
10
Response and Waveform Errors
10
Use of the DB Scale
11
Effect of DC Component
11
Overload Characteristics
11
Effect of Power Line Voltage Variations
11
DC Output
11
3 Circuit Description
11
Probe
12
Model 1340 Probe Attenuator
12
Model 2340 Coaxial Adapter
12
Model 4340 Probe Tip
12
Model 5340 Tee Adapter
12
Model 6340 High Voltage Attenuator
12
Chopper Input
12
Input Amplifier
13
Midsection Attenuator
13
Output Amplifier and Signal Rectifier
13
Power Supply
13
4 Maintenance
13
General
13
Recommended Maintenance
13
Necessary Maintenance Equipment
13
Stable Signal Source
13
Sensitive AC Vacuum Tube Voltmeter
13
Sensitivity Adjustment
14
Noise Check
14
Range Switching Check
14
DC Output Check
14
Stability with Line Voltage
14
5 Servicing and Troubleshooting
15
Necessary Equipment
15
Simple Service Problems
15
Removal of the Instrument Case
15
Pilot Light Replacement
15
Fuse Replacement
15
General Instructions
15
Signal Tracing
16
Chopper Replacement
16
Probe Replacement
16
Troubleshooting Chart
16
6 Shipping Instructions
18
Line Voltage Conversion
20
7 Replacement Parts List
21
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