COLO.Science — WATER QUALITY / DISSOLVED OXYGEN — VIKING-DO500
VIKING-DO500 DO Meter
VIKING-DO500 DO meter is a benchtop dissolved oxygen instrument for
DO concentration, DO saturation and temperature measurement. It combines a
7.0″ high-contrast color LCD touchscreen, polarographic DO sensor technology,
GLP-compliant data storage, GMP log management, automatic barometric pressure compensation,
manual salinity correction, USB 2.0 and RS-232 communication, and IP54 protection
for routine water-quality laboratories, wastewater control, aquaculture, process monitoring and education.
| Overview | Video soon | RFQ |
COLO.SCIENCE — BENCHTOP WATER QUALITY / DISSOLVED OXYGEN ANALYSIS
Benchtop DO meter for dissolved oxygen, DO saturation and temperature
The VIKING-DO500 DO meter is designed for laboratories that require a compact benchtop instrument
for dissolved oxygen concentration, oxygen saturation and temperature measurement. The 7.0″ touchscreen gives direct access
to calibration, method setup, reading modes, data management and log management.
VIKING-DO500 supports air-saturated water or zero oxygen calibration, automatic barometric pressure compensation,
manual salinity factor correction and selectable pressure units. It is suitable for routine water testing,
wastewater laboratories, aquaculture, process water monitoring and teaching laboratories.
Key features
- Benchtop DO meter for dissolved oxygen, DO saturation and temperature.
- 7.0″ high-contrast color LCD touchscreen for direct operation and result review.
- DO range 0.00 to 99.99 ppm with 0.01 ppm resolution.
- DO saturation range 0.0 to 600% with 0.10% resolution and ±2.0% accuracy.
- Automatic barometric pressure compensation and manual salinity factor correction.
- USB 2.0 and RS-232 communication for PC, printer, scanner, flash memory or autosampler workflow.
Suitable for
- Drinking water, wastewater and surface-water laboratories.
- Aquaculture, fisheries and aeration control.
- Environmental testing and process-water quality monitoring.
- Routine QA/QC checks where DO concentration and saturation are evaluated together.
- Education, research and dissolved oxygen method training.
- Laboratories requiring GLP storage, GMP logs and connected result export.
TECHNICAL SPECIFICATIONS — VIKING-DO500 DO METER
| Instrument | VIKING-DO500 |
| Model | DO-500T |
| SKU / Product number | PRO3167 |
| Product type | Benchtop dissolved oxygen meter with touchscreen |
| Measured parameters | DO / temperature / DO saturation |
| Sensor type | Polarographic |
| Display | 7.0″ color high-contrast LCD touchscreen, backlight |
| DO range | 0.00 to 99.99 ppm |
| DO accuracy profile | 0.00–50.00 ppm: ±0.10 ppm · 50.0–99.99 ppm: ±0.50 ppm |
| DO resolution | 0.01 ppm |
| Calibration reminder | Yes |
| Calibration points | Air-saturated water or zero oxygen point |
| DO saturation range | 0.0 to 600% |
| DO saturation resolution / accuracy | 0.10% · ±2.0% |
| Temperature range | -10 to 135 °C / 14 to 275 °F |
| Temperature resolution / accuracy | 0.1 · ±0.1 °C |
| Temperature units | °C, °F |
| Temperature compensation | ATC / MTC |
| Barometric compensation | Automatic |
| Salinity correction | Manual salinity factor correction |
| Selectable pressure units | kPa, mbar, Torr, Atm |
| Reading modes | Auto-Read Fast / Medium / Slow, Timed, Continuous |
| Reading prompts | Reading, Stable, Locked |
| Data storage | 1000 groups, GLP-compliant |
| Log management | Yes, GMP log support |
| Data analysis | Review, compare and recalculate results |
| DO probe input | DO with temperature probe, 4-pin aviation connector |
| USB | USB 2.0 — flash memory device, PC, scanner |
| RS-232 | Printer, auto-sampler |
| Factory reset | Factory default restore |
| Date and time | Yes |
| Auto shutdown | 1–60 min or off |
| IP rating | IP54 |
| Power | AC adapter, 100–240 V AC input, DC 24 V output |
| Dimensions / weight | 220 × 195 × 68 mm · 950 g |
| Included / typical kit | PRO6163 polarographic DO electrode kit with membrane covers, zero oxygen calibration solution, dissolved oxygen electrolyte, 3 membrane covers, touch pen and COLO-6 electrode stand |
Final DO measurement performance depends on probe condition, membrane quality, electrolyte status, calibration routine,
sample temperature, pressure compensation, salinity correction and laboratory handling. Confirm final kit contents and accessories before ordering.
Calibration, compensation and GLP/GMP data management
DO calibration workflow
VIKING-DO500 supports air-saturated water calibration and zero oxygen calibration. The calibration reminder helps maintain routine traceability for dissolved oxygen measurements.
Pressure and salinity correction
Automatic barometric pressure compensation and manual salinity factor correction support reliable measurement across freshwater, wastewater, process water and high-ionic-strength samples.
GLP data and GMP logs
The instrument stores 1000 data groups and supports GLP records, GMP log management, result review, comparison and recalculation for laboratory documentation.
COLO.SCIENCE VIDEO
VIKING-DO500 video presentation is in preparation
The video will show touchscreen operation, DO calibration, probe preparation, membrane and electrolyte workflow,
salinity and pressure correction, GLP/GMP data handling and practical benchtop use.
Benchtop dissolved oxygen workflow
DO electrode kit
Typical delivery includes the PRO6163 polarographic DO electrode kit with membrane covers, zero oxygen solution,
dissolved oxygen electrolyte, touch pen and COLO-6 electrode stand.
Connected reporting
USB 2.0 and RS-232 outputs support PC, flash memory, scanner, printer and autosampler workflows for structured result documentation.
COLO.SCIENCE KNOWLEDGE
Learn more about water quality and electrochemical analysis
Explore COLO.Science content about dissolved oxygen, water-quality testing, electrochemical measurement,
calibration workflows and laboratory instrument selection.
Applications and laboratory value
Water and wastewater laboratories
VIKING-DO500 is suitable for dissolved oxygen measurement in drinking water, wastewater, surface water and process-water samples.
Aquaculture and environmental control
DO concentration and DO saturation are important for aquaculture, fisheries, aeration control and environmental water monitoring.
Industrial and process QA/QC
The instrument supports routine checks where oxygen level, temperature, pressure compensation, salinity correction and result documentation are required.
Education and method training
Touchscreen operation, calibration routines, GLP storage and GMP logs make VIKING-DO500 useful for teaching laboratories and applied method training.
Selecting the right DO configuration
When selecting the VIKING-DO500 DO meter, the user should consider sample type, expected DO range,
temperature, salinity, barometric-pressure conditions, reporting workflow and probe maintenance requirements.
Polarographic DO measurement requires attention to membrane condition, electrolyte status and calibration routine.
COLO.Science can support configuration with the appropriate DO electrode, zero oxygen solution, electrolyte, membrane covers,
electrode stand, communication workflow and documentation package for laboratory, environmental or process applications.
VIKING-DO500 DO meter for dissolved oxygen testing
VIKING-DO500 DO meter is a practical choice when a laboratory needs a benchtop dissolved oxygen meter
for DO concentration, DO saturation and temperature. The large touchscreen, polarographic sensor support,
GLP storage, GMP logs and USB/RS-232 communication make the instrument suitable for routine water-quality work
and connected laboratory documentation.
In daily use, dissolved oxygen results depend on calibration discipline, probe condition, membrane covers, electrolyte handling,
sample temperature, salinity correction and barometric compensation. VIKING-DO500 provides the measurement platform, while
COLO.Science can help define the correct accessories and maintenance items for the final workflow.
Configuration notice
Dissolved oxygen meters may be delivered in different configurations depending on selected probe, electrolyte, membrane covers,
calibration materials, electrode stand, communication accessories and local stock. The official quotation defines the final scope of delivery.
Website content is intended for general product presentation and may not represent the exact delivered configuration.
Specifications may change without prior notice.
