Instrument: LI-COR LI-1000 Data Logger

"The LI-1000 DataLogger is a 10 channel datalogger that functions both as a data logging device and a multichannel, autoranging meter. The electronics of the LI-1000 have been optimized for highly accurate measurement of LI-COR radiation sensors which have a current signal" (from LI-COR Datalogging Instruction Manual, p 1). LI-COR began manufacturing these instruments in 1985 and discontinued in 1998. Serial Numbers for this model have the prefix of LDL-XXXX. (www.licor.com)