DO2 range % air saturation	0 to 199%
DO2 range % oxygen saturation	0 to 25.0%
DO2 range concentration (mg/l)	0 to 19.99mg/l
Resolution	1%, 0.1%, 0.01mg/l
Accuracy	±2% within 10°C of calibration temperature
Temperature range	–10 to 60°C
Temperature resolution	0.1°C
Temperature accuracy	±0.5°C
ATC/Manual	0 to 60°C
Data Logging	250 readings storage and 20 BOD sets (10 samples per set)
Clock	24 hour, hrs/min/sec or day/month/ year, leap year corrected
GLP	Calibration reminder, alarm outputs, security code protected user data
Outputs	Analogue, RS232 and IrDA
Connector	7–pin DIN