Lutron DO-5510 Dissolved Oxygen Meter / Lutron DO 5510
Memory Recall: Records Maximum, Minimum and Average readings with RECALL.
Power off: Auto power off saves battery life, or manual off by push button.
Over input indication: Indication of.
Data Output: RS 232 PC serial interface.
Operating Temperature: 0 to 50 ( 32 to 122 ) .
Operating Humidity: Max. 80% RH.