Avometer 8 Mk 6 Manual !!INSTALL!!
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Avometer 8 Mk 6 Manual !!INSTALL!!
How to Use the Avometer 8 Mk 6: A Guide for Beginners
The Avometer 8 Mk 6 is a universal analog multimeter that can measure various electrical quantities such as voltage, current, resistance and decibels. It was introduced in 1972 by AVO Ltd., a British company that specialized in electrical measuring instruments. The Avometer 8 Mk 6 is a versatile and reliable device that can be used for various applications such as testing, troubleshooting and repairing electrical circuits.
In this article, we will explain how to use the Avometer 8 Mk 6 for some basic measurements. We will also provide some tips and precautions to ensure accurate readings and avoid damage to the instrument or the circuit under test.
Basic Features of the Avometer 8 Mk 6
The Avometer 8 Mk 6 has a rectangular metal case with a large circular dial on the front panel. The dial has a pointer that indicates the measured value on different scales. The dial also has a screw on the face of the panel that can be used to adjust the pointer to zero if necessary.
The front panel also has two rotary switches that select the type and range of measurement. The left-hand switch has four positions: OFF, RESISTANCE, AC and DC. The right-hand switch has eight positions: 0.05 mA, 0.3 mA, 1 mA, 10 mA, 100 mA, 1 A, 10 A and VOLTS. The VOLTS position has a sub-switch that selects one of seven voltage ranges: 2.5 V, 10 V, 25 V, 100 V, 300 V, 600 V and 1000 V.
The front panel also has four terminals that connect to the circuit under test. The lower pair of terminals are used for all ranges on the switch knobs, except for the highest voltage range (1000 V). The left-hand terminal is common for both AC and DC measurements. The right-hand terminal is positive for DC measurements and hot for AC measurements. The upper pair of terminals are used only for the highest voltage range (1000 V). The left-hand terminal is negative for DC measurements and neutral for AC measurements. The right-hand terminal is positive for DC measurements and hot for AC measurements.
The front panel also has a movement reverse switch marked "REV. M.C." that can be used to change the polarity of the DC measurement or the phase of the AC measurement. This can be useful for certain tests such as checking diodes or capacitors.
The Avometer 8 Mk 6 has an automatic overload cut-out that protects the instrument from excessive current or voltage. If the cut-out trips, it interrupts the main circuit and prevents damage to the instrument. To reset the cut-out, disconnect the leads from the supply, set the instrument horizontally and press the reset button on the side of the case.
How to Measure DC Voltage
To measure DC voltage with the Avometer 8 Mk 6, follow these steps:
Set the left-hand switch to DC position.
Set the right-hand switch to VOLTS position.
Select a suitable voltage range with the sub-switch. If you are not sure about the voltage level, start with the highest range (1000 V) and work downwards until you get a clear reading on the dial.
Connect the leads to the appropriate terminals on the front panel. For voltages up to 600 V, use the lower pair of terminals. For voltages above 600 V, use the upper pair of terminals. Observe the polarity shown at the terminals: red lead to positive terminal and black lead to negative terminal.
Connect the leads to the circuit under test. Be careful not to touch any live parts or short-circuit any components.
Read the measured value on the dial. Use the scale that matches your selected voltage range. For example, if you selected 100 V range, use
the scale marked "100". If necessary, adjust
the pointer to zero with
the screw on
the face of
How to Measure AC Voltage
To measure AC voltage with
follow these steps:
the left-hand switch ec8f644aee