1877 Lusterleaf Rapitest light intensity meter measures both sunlight and artificial light
A precision instrument that measures light intensity in foot-candles (both sunlight and artificial light) expressly for the purpose of plant care. The meter is equipped with the Universal Sensor Probe which is capable of reading light at any angle in any location. Its permanently calibrated and provides instant readings. No batteries required. The accompanying pamphlet provides an abundance of information on light and plant growth as well as a list of light intensities and exposure times for over 230 plants.
Easy to use:
- Move the meter switch to the position corresponding with the type of light to be measured (direct sunlight or artificial light).
- Position sensor at leaf level.
- Note the light level and check the enclosed plant list for light requirements.