photosynthetic, PAR, 水中光度

product heading	光合成的發光記錄器 Photosynthetic Irradiance Recording System (submersible)
product details	DESCRIPTION The submersible photosynthetic irradiance recording system is a low cost integrating light sensor, providing high resolution data and is one of the products under the new data recording system range. Both the recorder and sensor are included in one encapsulated housing.


technical specs	SPECIFICATION cosine corrected photosynthetic irradiance sensor 400-700nm cosine corrected solar irradiance sensor 400-1100nm integrated count output recorded by data recorder integration period is user defined WATERPROOF RECORDER The data recorder is waterproof and submersible to 20 metres. RECORDER MEMORY The data recorder has 64k memory. SENSOR READINGS The data recorder records 16350 light sensor readings. The interval between readings can be set when the recorder is started at any interval between 2 minutes (720 readings per day) and 30 minutes (48 readings per day). SIZE The physical size of this system (data recorder and light sensor) is 39mm diameter and 160mm long. BATTERIES The data recorder includes two (2) long life lithium batteries. APPLICATIONS Underwater light measurement, light measurement in air.