K-M1 measures the electric power frequency optically from lighting. The frequency range is 0-99.99 Hz and the measuring time is 12 seconds. The longer measuring time allows to measure the average value in the case of the frequency is fluctuating. K-M1 is equipped with a pulses per second function which can be used to measure the frame rate of a movie camera.
Casing made of ABS plastics, dimensions: 115 x 68 x 25 mm (w/o switch and connector)
Two modes: frequency meter and frame rate meter
Frequency range: 0-99.99 Hz or fr/s
Measuring time: 12 s
Sensitivity: 10 lx
A connector which Can be use to connect the meter to a camera or other film equipment.
Battery 9 V (6LR61)