pH/ORP/Ion/DO/BOD/Temperature Meter Compact and Powerful Water quality analysis is repeatedly performed in laboratories on a daily basis. Our compact and powerful benchtop model was developed to provide simplicity with excellent on-site usability. -2.000 to 20.000 pH range 0.1, 0.01, & 0.001 pH resolutions USA, NIST, NIST2, DIN, and Custom pH buffer groups Up to 6 pH calibration points Offset, segment and average slopes data after pH calibration Adjustable calibration alarm up to 90 days -2000.0 to +2000.0 mV range with ORP calibration option 0.000 μg/L to 9999 g/L ion range with 3 selectable units Up to 5 user-defined ion calibration points Segment and average slopes data after ion calibration Measures dissolved oxygen (DO) and biochemical oxygen demand (BOD) Up to 60.00 mg/L / 600.0% DO range Compensates salinity, atmospheric pressure, and temperature effects in DO Pre-programmed 5-day BOD method with seed correction option Up to 2 DO calibration points Compatible with galvanic DO electrodes -30.0 to 130.0°C / -22.0 to 266.0°F temperature range with calibration option Auto stable, auto hold, and real time measurement modes Electrode status, temperature, and reading stability indicators viewable at a glance Large memory accepting up to 2000 data sets with date/time stamp Auto data log function with adjustable time interval Real time clock facilitating time-dependent functions Adjustable auto shut-off time up to 30 mins. Password protected set-up mode for security Software upgrade capability PC communication via USB cable and complimentary DAS20 data acquisition software Printer communication via RS232 cable 5” Digital, custom LCD display with backlight Sleek design with easy-to-use interface and audible key sound feedback Small meter footprint with adjustable, integrated electrode stand 3 Years warranty Manufacturer article number: 3200930551