Digital Flame Photometer (Na, K, Ca, Li) Vernier Caliper 0 to 150 MM 30~130dB Linearith range 50dB /
Baker’s notes & crumb story
Description
Digital Flame Photometer (Na, K, Ca, Li) Vernier Caliper 0 to 150 MM 30~130dB Linearith range 50dB 30~130dB Linearith range 50dB 100dB Frequency weighting A C Digital Display 4digits Sample rate 2 times second Bar graph 50 dB scale at 1 dB step for monitoring "name":"Ishihara Color Blindness Test Book Available In 24 Plates & 38 Plates 11"