ammeter
That's the purpose of the "ammeter".
Cephalometer
An instrument that measures very high temperatures is called a pyrometer. The most modern type of pyrometer measures thermal radiation through pyrometry.
seismograph
a thermometer
A compass.
An ammeter. It measures the electrical current output.
An instrument that measures electric current in amperes.
an 'ammeter'
This could describe a magnetic compass.
wind vane
galvanometer
That's the purpose of the "ammeter".
A thermometer is sufficient.
An anemometer measures wind speed A wind vane shows the wind direction
A simple instrument to measure wind direction is an windsock. There is at least one at every airfield.
It measures the current.