Analogue Wattmeter - Active Power meter with Accessory Transducer - single-phase - 90° Scale, 144x144
Analogue Wattmeter - Active Power meter with Accessory Transducer - three-phase system 3 wires, balanced load - 90° Scale, 144x144
Analogue Wattmeter - Active Power meter with Accessory Transducer - three-phase system 4 wires, balanced load - 90° Scale, 144x144
Analogue Wattmeter - Active Power meter with Accessory Transducer - three-phase system 3 wires, unbalanced load - 90° Scale, 144x144
Analogue Wattmeter - Active Power meter with Accessory Transducer - three-phase system 4 wires, unbalanced load - 90° Scale, 144x144