No meter warm-up required —take DO measurements right away
Low maintenance galvanic
probe comes with 10 or 25 ft length cable
Memory stores and
recalls up to 50 readings plus temperature
Real-time clock stamps
stored data and calibration data with date and time
Key in salinity and
pressure manually; meter automatically calculates offset values
Dual display shows mg/L
(ppm) or % saturation plus temperature (°C/°F selectable)
Hold function, Ready
indicator, automatic shutoff
Perfect for conditions that ruin ordinary dissolved oxygen meters!
The completely waterproof OAKTON DO 300 meter reads dissolved oxygen in
mg/L, ppm or % saturation. Its waterproof construction lets you
thoroughly wash the meter to maintain working condition.
This meter does the work for you. It automatically calculates
barometric pressure and salinity offset values, and it guarantees high
accuracy with independent 100%, zero, and offset adjustment
capabilities. Each meter includes an easy-to-service dissolved
oxygen/temperature probe, electrolyte solution, and batteries.
Click below to download Acrobat (.pdf)
file of:
DO
300 meter product bulletin
DO
300 meter manual
Tech Tip:
Comparison between Polargraphic and Galvanic DO sensor technologies
| Measures |
Dissolved oxygen, °C, °F |
| % 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 |
| TemperatureRange |
0.0 to 50.0°C, 32.0 to 122.0°F |
| TemperatureResolution |
0.1°C |
| TemperatureAccuracy |
±0.3°C, ±0.3°F |
| TemperatureCalibration |
Offset 0.1° increments |
| ATC |
automatic from 0 to 50°C |
| Memory |
Up to 50 sets with temperature |
| Real Time Clock |
Yes |
| 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 |
| 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 |
1.4 lb (0.6 kg) |
|