Product Description
Dissolved oxygen readings change quickly once a sample leaves the water, so measuring on site matters. The OHAUS Starter 300D portable DO meter puts dependable DO and temperature measurement in a compact handheld unit.
This listing is for OHAUS item number 30219116: Starter 300D Portable Dissolved Oxygen Meter ST300D-G, with STDO11 and STTEMP30 Electrodes. It reads 0.00 to 19.99 and 20.0 to 45.0 mg/L, 0 to 400% saturation and 0 to 50 °C, with ±1% DO accuracy and 2-point calibration. A 30-result memory stores readings, the ABS housing includes a wrist strap, and four AAA batteries provide about 250 hours of use. The ST300D and ST300D-G include STDO11 DO and STTEMP30 temperature electrodes; the ST300D-B is meter only. Add it to your LIGHT LABS order and keep your lab running with genuine OHAUS equipment.
Key Features
- Wide DO Range – 0 to 45 mg/L and 0 to 400% saturation
- Temperature Measurement – 0 to 50 °C with ±0.3 °C accuracy
- 2-Point Calibration – straightforward setup
- 30-Result Memory – stores field readings
- Battery Powered – about 250 hours on four AAA batteries
Specifications
| Item Number | 30219116 |
| Brand | OHAUS |
| Description | Starter 300D Portable Dissolved Oxygen Meter ST300D-G, with STDO11 and STTEMP30 Electrodes |
| Measurement Range | 20.0 – 45.0 mg/L;0.00 – 19.99;200 – 400%;0 – 50°C |
| Measurement Resolution | 0.1%;1%;1 mg/L;0.1 °C;0.1 ppm;1 ppm;0.1 mg/L |
| Accuracy | ± 1%;± 0.3 mg/L;±0.3 °C |
| Display | LCD |
| Electrode | STTEMP30 (Included);STDO11 (Included) |
| Accuracy DO | 1 % |
| Accuracy ± (Temperature) | 0.3 °C |
| Battery Life | 250 Hours with Disposable Batteries |
| Calibration | 2 Point |
| Dimensions | 6.69 in x 1.38 in x 3.54 in (170 mm x 35 mm x 90 mm) (LxHxW) |
| In-Use Cover | No |
| Measurement Range DO | 0 % – 200 % ; 200 % – 400 % ; 0 ppm – 20 ppm ; 20 ppm – 45 ppm |
| Measurement Range (Temperature) | 0 °C – 50 °C |
| Net Weight | 0.35 lb (0.16 kg) |
| Parameter | Dissolved Oxygen |
| Power | 4 AAA (LR03) Batteries (Included) |
| Resolution (DO) | 0.01;0.1 |
| Resolution Range (DO) | 0 – 19.9 ; 20 – 45 |
| Temperature compensation | Automatic |
Related Models
- 30031655 – Starter 300D Portable Dissolved Oxygen Meter ST300D, with STDO11 and STTEMP30 Electrodes
- 30031656 – Starter 300D Portable Dissolved Oxygen Meter ST300D-B, Meter Only, 0-45 mg/L
Applications
- Aquaculture
- Environmental water monitoring
- Wastewater aeration checks
- Teaching labs
- Field sampling
