The Oakton PD 650 pH/dissolved oxygen (DO) multi-parameter meter measures your choice of pH, mV, or ISE and dissolved oxygen (DO), and is handheld, dustproof and has a waterproof casing. The meter features ATC, with push-button, pH calibration up to six points each, for pH and conductivity, and three points for DO. It also has auto-buffer options, and recognition of USA, National Institute of Standards and Technology (NIST), Deutsches Institut für Normung (DIN) and PWB standards, for ease of use. It has a large, backlit, LCD screen to provide ease of viewing, and to display indicators. The meter has an adjustable alarm to remind you when calibration is due. It stores up to 500 data sets, and has IrDA wireless technology for data communication. The meter has a built-in, real time clock with time and date stamping, set-point alarms, and a built-in stand. It comes with an electrode status indicator and password protection. The meter has manual or automatic temperature compensation of 0 to 100 degrees C. It has a pH range of -2.00 to 20.00, resolution of 0.1/0.01/0.001 and accuracy of + or - 0.002 pH + 1 LSD. Temperature compensation range of -10.0 to 110.0 degrees C (14.0 to 230.0 degrees F), resolution of 0.1 degree C (0.1 degree F), and an accuracy of + or - 0.5 degrees C (+ or - 0.9 degrees F). MV range is + or - 2000.0, resolution of 0.10, and accuracy of + or - 0.2 mV + 1 LSD. Ion range is 0.001 to 19900, ppm, molar, mg/L, resolution of 2 or 3 digits, and accuracy of 0.5% FS (monovalent) 1% FS (divalent). DO range is 0 to 600%/90 mg/L, resolution of 0.1%, 0.01 mg/L, accuracy of + or - 2%, + or - 0.2 mg/L. The dissolved oxygen probe is galvanic. The meter dimensions are 2.25(d) x 3.25(w) x 7.25(h) inches (8.3 x 18.4 x 5.7 cm), and it weighs 380g (without rubber boot). The meter has the ability to store up to 500 data sets, and has research-grade accuracy. Time and date stamping meets Good Laboratory Practice (GLP) standards, and the meter is Ingress Protection (IP) 67-rated, for protection against solid objects or liquids. The meter works with four 1.5V AA batteries (not included) or optional AC adapter.

PD 650 pH/ Dissolved Oxygen Meter
Ideal for wastewater and aquaculture!

• Durable waterproof and dustproof design with IP67 rating – Even with no probes attached
• Push-button calibration for all parameters – 6 points each for pH and conductivity; 3 points for DO
• Large backlit graphic display – Multiline display with electrode status indicator, calibration data, and more
• User-settable “calibration due” alarm – Out-of-date or unperformed calibrations are now things of the past!
• Built-in real-time clock – Time-and-date stamping meets Good Laboratory Practice (GLP) standards
• Store up to 500 data sets – Infrared IrDA wireless technology makes PC downloading convenient and easy
• Set point alarms – Audible warning when readings are outside set points limit
• Research-grade accuracy – Resolution to 0.001 pH and accuracy to ±0.002 pH
• Electrode status indicator – Calibration data provides electrode diagnostic tool
• Password protection – Security for calibration and setup menus
• Rugged rubber boot – Protects meter from impact (optional; included with kit)