Advert Description
Vintage, 1950s, Mk.1, AVO Multiminor Meter in case with original leads.
This meter, part number 50102-A and serial number 40628/1, is fully functional, is in very good condition and is made available by collection from my home address..
I am also happy to deliver the item by hand within a 50 mile radius of where I live, should a to be agreed, non-returnable contribution towards my travel expenses be made available in advance of travel.
A detailed description of the meter can be found below, courtesy of the 'RichardsRadios' website:
Larger 3 inch moving coil meter
Multiminors Mk I-V all had the same sensitivity and ranges
DC 2.5, 10, 25, 100, 250, 1000 volts - sensitivity 100uA
DC 0.1, 1, 10, 100, 1000 mA
AC 10, 25, 100, 250, 1000 volts - sensitivity 1 mA
(no non-linear scale)
R 20k, 2M ohm (125, 12.5k ohm center)
Wireless World advert 1958:
This sturdy, multi-range test meter is remarkable for the wide range of test facilities which have been so neatly incorporated. Full advantage has been taken of printed resistor techniques to produce a compact instrument of low weight.Features:
Composite printed resistors and robust range switch similar to that used in the famous AvoMeter. Eighteen fixed silver plated contacts embedded in a ring of high-grade moulding material are swept by a double contact rotor arm. Meter movement is enclosed to give protection against the infiltration of dust.
7 D.C. Voltage Ranges: 0-1,000 V. 5 A.C. Voltage Ranges: 0-1,000 V.
5 D.C. Current Ranges: O-IA.
2 Resistance Ranges: 0-20,0000 ohm 0-2M ohm
Sensitivity:
10,000 ohms/Volt on D.C. voltage ranges.
1,000 ohms/Volt on A.C. voltage ranges.
Accuracy:
3% of full scale value on D.C.
4% of full scale value on A.C.