Equipment information

Spraque Electric Company 600a Analyzer
Manufacturer:
Model:
600a
Date:
1970
Category:
Group:
Description:
Interference Locator

Information

General. The Sprague Model 600A interference Locator is a rugged, wide-range, portable instrument designed especially to meet the needs of electric utilities, laboratories, industries and others concerned with the detection and location of sources of r-f transmissions and interference. Special attention has been given to the design details which contribute to the reliability and convenience of use. 1.2 Operating Frequency and Sensitivity. The Model 600A Interference Locator covers from 540 kHz to 220 MHz in six tuning ranges with a sensitivity of 2 microvolts or better at all frequencies, for a 5% output meter deflection. 1.3 Application. The Model 600A interference Locator is designed for the rapid detection and location of AM/FM radio and TV signal sources. Other effective uses include the following: a. Location of communications interference sources (corona noise, power line leaks) by electric utilities. b. Maintenance programs, both preventive and otherwise, since many faults will begin to radiate r-f noise before actual failure occurs. c. Laboratory and other testing and investigative applications. The instrument is useful as an r-f null detector or voltmeter when so calibrated. d. Direction finding in marine applications. e. Detection and location of sources of r-f transmissions within the frequency range of the instrument.

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Service and User Manual
Manual Type:
Service and User Manual
Pages:
20
Size:
3.60 Mbytes (3778703 Bytes)
Language:
english
Revision:
Manual-ID:
IL-110
Date:
01 January 1970
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
22 January 2021
MD5:
8bf8278cdc7f790cf42b73eb47120b83
Downloads:
148

Information

1. Introduction 4 1.1 General 4 1.2 Operating Frequencies and Sensitivity 4 1.3 Applications 4 1.4 Specifications 4 1.5 Block and Schematic Diagrams 4 2. Circuits 4 2.1 General 4 2.2 Detailed Block Diagrams 5, 6 3. Antenna Systems 7 3.1 General 7 3.2 VHF Dipole Antenna 7 3.3 All-Wave Rod Antenna 7 3.4 Directional Loop Antenna 8 3.5 RF Probe Antenna 8 3.6 Antenna Mounting 8 3.7 Short Coaxial Cable 8 3.8 Long Coaxial Cable 9 4. Operation 9 4.1 General 9 4.2 Attaching the Antenna 9 4.3 Applying Power 9 4.4 Range Selection 9 4.5 Antenna Peaking 9 4.6 RF Attenuation 9 4.7 Zero Set 9 4.8 Volume 9 4.9 Tuning 9 4.10 Meter 10 4.1 1 Dial Lights 1 0 4.12 Audio Output 10 4.13 External Meter 10 5. Location Procedures 1 0 5.1 General 10 5.2 Initial Readings 10 5.3 Final Readings 1 1 6. Service and Maintenance 1 1 6.1 General 1 1 6.2 Alignment 12 6.3 Voltage Chart 12 6.4 Dial Cable Re-stringing 13 7. Appendix 14 Specifications and Performance Characteristics 14 Schematic Diagram 15 Parts List 16, 17, 18

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