Equipment information:

AVO Avometer 7 Analog multimeter
Manufacturer:
AVO
Model: Avometer 7
Date:
Category: Measurement instruments
Group: Analog multimeter
Description:
Information:
                                    Since its conception in 1923, the AvoMeter has maintained a
distinct lead upon all its competitors. It can to-day, quite
rightly, be termed the most popular instrument of its type
in the World, for in no other instrument can one find such a
unique combination of ranges, and comprehensive automatic
overload protection, in addition to a high degree of
accuracy, reliability and simplicity of use.
During World War II, tens of thousands of these meters were
produced for the Armed Forces, Research Laboratories,
Factories, etc., and it is largely due to the unparalleled
service which they gave in the most arduous conditions that
the same type of instrument is to-day selling so well
throughout the globe.
The manufacture of so comprehensive an instrument in such a
compact form and produced at a moderate price is a major
achievement. The Model 7 AvoMeter incorporates a very large
number of useful ranges, but if tests outside the already
wide limits of the instrument are required it will generally
be found possible to extend the scope of the instrument by
means of one of the many accessories which are available.
Although the instrument is widely noted for its ability to
withstand hard usage, remember that its mechanism deserves
the careful treatment which one would extend to any valuable
apparatus. Given a reasonable amount of care and attention,
not forgetting the removal of exhausted batteries, this
instrument will give years of lasting satisfaction.

These manuals are available for the above equipment:

AVO -- Avometer 7 -- Service and User Manual
File name: AVO-6002-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 29
Size: 2.50 Mbytes (2617848 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: 54d6022a69c87901e94836ef5b40dd32
ed2kID: 9ac677f6e799bff1131ac806004033bb
Downloads: 285 since 10 May 2014
Information:
Foreword .. .. .. .. .. .. .. 3
Introduction .. .. .. .. .. .. .. 5
Table of Ranges .. .. .. .. .. .. 6
Scope of Instrument .. .. .. .. .. 7
Limits of Accuracy .. .. .. .. .. 8
Design and Construction of the AvoMeter .. .. 8
Range Controls .. .. .. .. .. .. .. 9
Overload Protection .. .. .. .. .. .. 9
The Movement .. 10
Scaling .. ...............................
............................................. 10
Ranges .. .. .. .. .. .. .. 10
Replacement of Internal Batteries and Cell .. .. 12
Operation of Instrument .. .. .. .. .. 12
Current Measurement .. .. .. .. .. 13
Voltage Measurement .. .. .. .. .. 14
Resistance Measurements .. .. 15
The 10,000 Ohms and 100,000 Ohms Ranges 16
The Megohm Range .. .. .. 17
Battery Condition .. .. .. .. 17
The 10 and 40 Megohm Ranges .. 17
Capacity Measurement .. .. .. 18
Power and Decibel Measurements 19
Power Measurements .. .. .. 19
Decibel Measurements .. .. .. .. 20
Accessories .. .. .. .. .. .. .. 21
Multipliers .. .. .. .. .. .. 21
Shunts .. .. .. .. .. .. .. .. 21
Transformers .. .. .. 22
Resistance Range Extension Unit .. .. .. 22
The Power and Decibel Extension Unit .. .. .. 23
Circuit Diagram of Model 7
Avometer............................... 28
AVO-6002-Manual-Page-1-Picture
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