Ferranti kWh Electricity Meters FNN2Q / F2Q-100 (Part 3)

This is part 3, showing the Ferranti Hollinwood electricity meter model FNN2Q in operation.
150 rev/kWh, 240V, 50Hz, single phase, 2 wire.

1973. This one is in a poor state, having been left out in the rain or some other wet location. The inside is very dirty and there is significant corrosion.
Despite that, it still records accurately.

Load is four 50W halogen lamps, current approximately 16A with a voltage of 250V. Equivalent to a 4kW load, or 600 revolutions/hour, 10 revolutions per minute.

Part 1: http://youtu.be/vYHAYHIobrQ
Part 2: http://youtu.be/stwyWUpxvX4

Видео Ferranti kWh Electricity Meters FNN2Q / F2Q-100 (Part 3) канала John Ward