Extech 407510 Digital Handheld Dissolved Oxygen Meter

• Super large 1.4" (36mm) LCD display
• Dual display of oxygen and temperature
• Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C)
• Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe
• Fast 0.8 second sampling time
• Recall Min/Max/Average readings
• Data Hold
• Built-in RS-232 PC serial interface with optional data acquisition software and datalogger
• Auto power off saves battery life
• 0.8"(20mm) diameter probe on 13ft (4m) cable, 3 membranes, rubber holster, 9V battery and hard vinyl carrying case

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.