COLO.Science — Electrochemistry · DO meters
VIKING-DO511 Portable DO Meter
VIKING-DO511 is a portable touchscreen dissolved oxygen meter with an optical (luminescence) sensor — no electrolyte, no membrane change and no oxygen consumption — with GLP memory, USB 2.0, Bluetooth and IP67 protection. It combines a 4.3″ colour touchscreen, DO measurement from 0.00 to 20.00 mg/L (±0.3 mg/L), saturation 0.0–200.0 %, air-saturated water or zero-oxygen calibration, barometric and salinity correction, a 1000-result memory (GLP), USB and Bluetooth connectivity and IP67 protection.
Overview
Applications
- Wastewater treatment: aeration control, activated sludge and effluent checks.
- Aquaculture and environment: fish farms, rivers, lakes and monitoring points.
- Field and on-site: compact IP67 housing for sampling points and plants.
- Food, beverages and process water: oxygen in process water, fermentation and quality control.
Why VIKING-DO511
- Clear display: 4.3″ colour touchscreen with guided menus for measurement, calibration and data.
- Sensor: optical sensor: no electrolyte, no membrane change, no polarisation time.
- Corrections: barometric pressure and salinity factor for accurate mg/L in any sample.
- Data traceability: 1000 results stored per parameter with date, time and GLP records.
Technical specifications
| Model | VIKING-DO511 |
| SKU | PRO2427 |
| Sensor type | Optical (luminescence) |
| DO range | 0.00 to 20.00 mg/L |
| DO resolution | 0.01 mg/L |
| DO accuracy | ±0.3 mg/L |
| Saturation range | 0.0–200.0 % |
| Saturation accuracy | ±10.0 % |
| Units | mg/L (ppm), % |
| Calibration | Air-saturated water or zero oxygen |
| Pressure | Barometric pressure compensation |
| Salinity correction | Manual salinity factor correction |
| Temperature range | 0 to 50 °C |
| Temperature accuracy | ±0.1 °C |
| Temperature compensation | ATC / MTC |
| Reading modes | AutoRead (fast / medium / slow), timed, continuous |
| Reading prompts | Reading, Stable, Locked |
| Display | 4.3″ colour touchscreen |
| Data memory | 1000 results per parameter, GLP |
| Management | Users, calibration, electrodes, methods, data analysis |
| Electrode input | 4-pin connector (DO + temperature) |
| Outputs | USB 2.0 (flash drive, PC, scanner), Bluetooth |
| Auto power-off | 300 / 600 / 1200 / 1800 / 3600 s or off |
| Power supply | Rechargeable Li battery; adapter 100–240 V AC / 5 V DC |
| Protection | IP67 |
| Dimensions | 90 × 255 × 40 mm |
| Weight | approx. 500 g |
COLO.SCIENCE VIDEO
VIKING-DO511 operation video
Installation, settings, calibration and DO measurement — step by step.
VIKING-DO511 operation video (4:16). Open the video in a new window
ELECTRODES AND ACCESSORIES
Electrodes and accessories for the VIKING-DO511 portable DO meter
The VIKING-DO511 is delivered with the optical DO electrode (luminescence) (PRO6164), which measures dissolved oxygen and temperature through the 4-pin connector. The optical sensor needs no electrolyte or membrane change.
PRO6164
Optical DO electrode (luminescence)
DO + temperature, 0.00–20.00 mg/L, no electrolyte and no membrane change, POM body, Φ16×150 mm, 4-pin connector, 3 m cable.
Standard delivery
—
Zero-oxygen calibration powder (100 mL)
Prepares the zero-oxygen solution for zero-point calibration.
Standard delivery
—
Silicone protective case and wristband
Shock-absorbing silicone sleeve and wristband for safe one-hand field use.
Standard delivery
PRO7006
Carrying case
Protective case for the meter, electrode and buffers in field use.
Standard delivery
PRO6163
Polarographic DO electrode DO-958-Q
DO + temperature, 0–20 mg/L (0–50 mg/L on dedicated meters), ABS body, 5–40 °C, Φ12×120 mm, 4-pin connector, 1 m cable.
Optional
More electrodes and accessories
- Zero-oxygen calibration powder (100 mL)
Tell us your sample and we will confirm the right electrode for your VIKING-DO511 portable DO meter. Full electrode range: Electrochemistry catalogue →
Selection guidance
VIKING-DO511 is chosen where maintenance must be minimal: the optical sensor needs no electrolyte or membrane change, does not consume oxygen and is ready to measure without polarisation time. COLO.Science helps you choose the electrode and consumables.
Configuration checklist
- Sample type: wastewater, surface water, aquaculture, BOD bottles, process water.
- Range: expected DO and saturation (supersaturated samples need a wider range).
- Sensor: polarographic (low cost) or optical (low maintenance).
- Documentation: memory, GLP records, USB export or printer.
- Need more?: see VIKING-DO600.
Sales and support for international customers
COLO Lab ExpertsPolje ob Sotli 4, SI-3255 Buče, Slovenia
Phone: +386 70 713 437 · Email: sales@colo.si · Web: colo.si
We supply laboratories across Europe directly and through partners. B2B prices are quoted net, excluding VAT.
