INSTRUCTION BOOK NO. 1-8400R
A.W.A. VALVE VOLTMETER
TYPES 4M800 AND 5M800
Amalgamated Wireless (A’sia) Limited
47 York Street,
SYDNEY
Revised 250246
200944
(i)
INDEX
SECTION PAGE NOS.
1. DESCRIPTION:
1.1 Application 1
1.2 Principles of Operation 1
1.3 Summary of Characteristics 2
1.4 Construction and Circuit Description 3
1.5 Controls
1.5.1 Operating Controls 6
1.5.2 Preset Controls Accessible
Front Panel 6
1.5.3 Preset Controls not Accessible
Unless the Instrument is Removed
from its Case 7
1.6 Valve List 8
2. INSTALATION: 8
3. OPERATING INSTRUCTIONS:
3.1 Preliminary Adjustments 8
3.2 Operation 9
4. MAINTENANCE:
4.1 Necessity for Adjustments 9
4.2 Re-adjusted of SET ZERO Preset Controls 10
(ii)
4.3 Re-adjustments of Calibration 10
4.4 Typical Operating Voltages and Currents 10
5 COMPONET SCHEDULE: 11
6 EQUIPMENT SCHEDULE: 13
7 DIAGRAMS: DRG.NO.S
Valve Voltmeter, types
4M and 5M8400 8400D7
Circuit Diagram
Circuit Code for Types 8400D8
4M and 5M8400 to D12
Input Resistance Graph
For types 4M and
5M8400 8400D16
...
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