The one meter you need for taking DO, pH and temperature readings in rugged environments

Waterproof and dustproof housing (IP67 rating) that floats!
Toggle between Dissolved Oxygen/°C and pH/°C readings
Easy push-button Dissolved Oxygen and pH calibration
Auto-ranging for Dissolved Oxygen measurements; Auto-buffer recognition for pH calibration
Features selectable automatic endpoint display to "hold" reading when it is stable for more than five seconds
°C/°F selectable
Selectable Manual or Automatic Temperature
Compensation with separate temperature readout
Easy to clean housing
Hold function; "Ready" indicator; Error messages; Auto-off function

The microprocessor-based OAKTON waterproof pH/DO 300 meter meets IP67 ratings for dustproof and waterproof ingress protection.

Advanced setup mode lets you customize meter parameters and view calibration values and electrode slope for both pH and Dissolved Oxygen for diagnostic purposes. All functions are accessible from the waterproof keypad.

Click below to download Acrobat (.pdf) file of:
pH/DO 300 meter product bulletin
pH/DO 300 meter manual
Tech Tip: Comparison between Polargraphic and Galvanic DO sensor technologies

Measures	pH, DO, °F, °C
pHRange	-2.00 to 16.00 pH
pHResolution	0.01 pH
pHAccuracy	±0.01 pH
pHCalibration	5 points (pH 1.68, 4.01, 7.01, 10.01, 12.45)
% saturationRange	0.0 to 200.0%
% saturationResolution	0.1%
% saturationAccuracy	±1.5% full scale
mg/l (ppm)Range	0.00 to 20.00 mg/l (ppm)
mg/l (ppm)Resolution	0.01 mg/l (ppm)
mg/l (ppm)Accuracy	±1.5% full scale
Salinity correction	Range: 0.0 to 50.0 ppt; Resolution: 0.1 ppt; Method: Key in manually and automatic correction
Barometric pressure correction	Range: 500 to 1499 mm Hg; Resolution: 1 mm Hg; Method: Key in manually and automatic correction
TemperatureRange	0.0 to 50.0°C
TemperatureResolution	0.1°C
TemperatureAccuracy	±0.3°C
TemperatureCalibration	offset up to ±0.5°C
ATC	manual or automatic from 0.0 to 100.0°C
Power	4 1.5 V AAA batteries, >200 hours continuous use
Memory	Up to 16 sets with temperature
Dual Display	Yes
Waterproof/Dustproof (IP67)	Yes
Dimensions	7.5" x 3.5" x 1.75" (19 x 9 x 4.5 cm)
Shipping weight	2.0 lb (0.9 kg)

Waterproof pH/DO 300 Meter
(pH Meter) from Oakton

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