|Marconi TF 2600 Analog multimeter|
INTRODUCTION The TF 2600 is a wide-range a.c. voltmeter of high sensitivity and stability; 12 ranges, giving full-scale deflections from 1 mV to 300 V, enable voltages down to the order of 100 to be measured. An amplifier-rectifier type instrument, it maintains good accuracy with moderately distorted waveforms. A cathode follower input stage, with associated attenuators, regulates the signal level to a four-valve amplifier,, the output of which energizes a moving coil meter via a full-wave crystal rectifier. The meter is calibrated in terms of the r,m* s* value of a sinewave, but responds to the average value; it is also calibrated in decibels relative to 1 mW in 600ft, giving a range of -72 to +52 dBm. The output of the Amplifier section is made available at a pair of f ront-panel terminals. This provides a pre-amplifier facility, having a response similar to that of the instrument as a whole, with an output of up to 300 mV on any range.
These manuals are available for the above equipment:
|Marconi -- TF 2600 -- Service and User Manual|
|Manual Type:||Service and User Manual|
|Size:||349.71 Kbytes (358104 Bytes)|
|Quality:||Scanned document, reading partly badly, partly not readable.|
|Upload date:||23 December 2018|
|Downloads:||67 since 23 December 2018|
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