1
SDN:S04::S0439
2006-10-02 18:26:59.0
SDN:S04::S0439
1
25cm path length red light transmissometer
An instrument that emits red (usually 660nm wavelength) light and measures how much of it reaches a receptor accurately located 25 cm away from the transmitter.
2006-10-02 18:26:59.0
SDN:S04::S0439
accepted
false