Using the CK722 this directional photometer was published in Radio Electronics magazine in July 1961. The sensor is an LDR, and the indicator is of the analogue type.
Directional light meter CK722 (CB23757E)
- Details
- Written by: Newton C. Braga
Using the CK722 this directional photometer was published in Radio Electronics magazine in July 1961. The sensor is an LDR, and the indicator is of the analogue type.
