COLO.Science · Technical Specification
VIKING-DO511
Touch Screen Portable Dissolved Oxygen Meter · Optical DO / Temperature · IP65
VIKING-DO511 Touch Screen Portable DO Meter is a professional portable dissolved oxygen meter
for field and laboratory measurement of dissolved oxygen, oxygen saturation and temperature. The instrument combines
optical DO sensing, a 4.3″ color touchscreen, Auto-Read measurement modes, Auto-Hold endpoint locking,
GLP-compliant data storage, USB connectivity, rechargeable Li battery and IP65 protection in a robust portable format.
Portable DO meter
Optical DO
DO ppm
% saturation
Temperature
4.3″ touchscreen
Auto-Hold
Pressure compensation
Salinity correction
USB
IP65
VIKING-DO511 · touch screen portable dissolved oxygen / temperature meter · main instrument
Model / SKU
VIKING-DO511
PRO2427
PRO2427
Address / HQ
Polje ob Sotli 4
SI-3255, Slovenia
SI-3255, Slovenia
Contact
sales@colo.si
+386 64 222 724
+386 64 222 724
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VIKING-DO511 · Touch Screen Portable DO Meter
Technical data sheet · Informational document · Controlled electronic document
Product page: VIKING-DO511 on colo.si
Product page: VIKING-DO511 on colo.si
VIKING-DO511 · technical specification
Portable optical DO meter for dissolved oxygen, oxygen saturation and temperature measurement
DO 0.00 to 20.00 ppm
0.0 to 200.0%
Temp. 0 to 50°C
Optical sensor
Auto / timed / continuous read
— Rugged portable DO measurement for field, water quality and laboratory workflows
📋 Product Overview
Application profile
Water quality monitoring: suitable for drinking water, wastewater, surface water, aquaculture and routine environmental checks.
Field and laboratory use: portable touchscreen format with protective case, wristbands and carrying case for mobile operation.
Industrial sampling: supports dissolved oxygen checks in process water, effluent control and quality assurance sampling.
Education and research: suitable for practical training in dissolved oxygen measurement, oxygen saturation and temperature compensation.
Design and handling advantage
Optical DO measurement: optical electrode principle supports practical field measurements without a polarographic membrane workflow.
Touchscreen interface: 4.3″ color high-contrast LCD touchscreen for setup, calibration, measurement and stored data review.
Endpoint control: Auto-Read with Fast / Medium / Slow stability settings and Auto-Hold endpoint locking.
Data traceability: GLP-compliant storage for 1000 groups with review, compare and recalculation tools.
Key features
DO measurement: 0.00 to 20.00 ppm range with 0.01 mg/L resolution and ±0.3 ppm accuracy.
DO saturation: 0.0 to 200.0% range with 0.10% resolution.
Temperature: 0 to 50°C measurement range with ATC / MTC support.
Compensation: automatic / manual barometric pressure compensation and manual salinity factor correction.
Connectivity: USB 2.0 interface for data connection.
Protection: IP65 waterproof housing and rechargeable Li battery for portable operation.
Core technical summary
| Parameter | Specification |
|---|---|
| Model | VIKING-DO511 |
| Model code / SKU | DO511T / PRO2427 |
| Instrument type | Portable optical dissolved oxygen meter with temperature measurement |
| Display | 4.3″ color high-contrast LCD touchscreen |
| DO range | 0.00 to 20.00 ppm |
| DO accuracy | ±0.3 ppm |
| DO saturation | 0.0 to 200.0% |
| Temperature range | 0 to 50°C |
| Data logging | 1000 groups · GLP-compliant |
| Protection | IP65 |
Sensor typeOptical DO
DO accuracy±0.3 ppm
Data memory1000 groups
ProtectionIP65
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📊 Technical Specifications
Measurement ranges and performance
| Parameter | Specification |
|---|---|
| Dissolved oxygen range | 0.00 to 20.00 ppm |
| DO resolution | 0.01 mg/L |
| DO accuracy | ±0.3 ppm |
| DO saturation range | 0.0 to 200.0% |
| DO saturation resolution | 0.10% |
| DO saturation accuracy | ±10.0% |
| Temperature range | 0 to 50°C |
| Temperature resolution | 0.1 |
| Temperature accuracy | ±0.2 relative |
| Sensor type | Optical dissolved oxygen sensor |
| Calibration | Air-saturated water or zero point |
| Pressure compensation | Automatic / manual barometric pressure compensation |
| Pressure units | kPa / mbar / Torr / Atm |
| Salinity correction | Manual salinity factor correction |
Measurement and reading modes
| Function | Technical note |
|---|---|
| Auto-Read | Fast / Medium / Slow reading stability options. |
| Timed Read | Timed reading mode for scheduled measurement intervals. |
| Continuous Read | Continuous measurement display for real-time monitoring. |
| Reading prompts | Reading / Stable / Locked prompts. |
| Endpoint capture | Auto-Hold function for endpoint detection and locking. |
System, data and connectivity
| Parameter | Specification |
|---|---|
| Display | 4.3″ color high-contrast LCD touchscreen with backlight. |
| Menu management | User, calibration, electrode, method and data management. |
| Data capacity | 1000 data groups. |
| GLP support | GLP-compliant data storage with review / compare / recalculate tools. |
| Optical DO probe input | 6-pin aviation connector. |
| Output / connectivity | USB 2.0. |
| Auto shutdown | 300 / 600 / 1200 / 1800 / 3600 seconds, or off. |
| Power supply | Rechargeable Li battery; AC adapter 100–240 V AC input, 5 V DC output. |
| Protection rating | IP65 waterproof housing. |
| Dimensions | 90 × 255 × 40 mm. |
| Weight | Approx. 500 g / 1.1 lb. |
| Product page | Open VIKING-DO511 product page |
| PDF catalog | Open VIKING-DO511 PDF |
Specification note
Probe selection: final configuration should match the sample matrix, cable length and required field or laboratory workflow.
Compensation: pressure and salinity settings should be checked for the measurement location and sample conditions.
Field use: carrying case, protective case, rechargeable battery and IP65 housing support portable measurement workflows.
Technical values are provided for product selection and orientation. Final delivered configuration, probe type, accessory set and documentation should be confirmed through the official COLO.Science quotation or manufacturer-confirmed offer.
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🧰 Standard Delivery, Accessories and Visual Support
Typical standard delivery
Optical DO electrode: DO-968-HC optical dissolved oxygen electrode with 3 m cable.
Zero oxygen calibration solution powder: supplied in vial format for zero-point calibration support.
Electrode holder: support accessory for stable probe handling.
Protective case: silicone rubber protective case with wristbands.
Touch pen: accessory for touchscreen operation.
Carrying case: protective storage and transport case for field and laboratory use.
Product image references
Configuration notice — delivery depends on selected options
Dissolved oxygen meters may be delivered in different configurations depending on application, selected probe, cable length, calibration requirements and accessory set. The final quotation and manufacturer-confirmed specification define the exact delivered configuration.
Display and operation
Display: 4.3″ color high-contrast LCD touchscreen.
Operation: touch interface with user, calibration, electrode, method and data management.
Reading prompts: Reading / Stable / Locked indicators support repeatable endpoint documentation.
Input connectors
DO probe input: 6-pin aviation connector for the optical DO electrode.
Connectivity: USB 2.0 output for data connection.
Power: rechargeable Li battery with AC adapter, 100–240 V AC input and 5 V DC output.
Field workflow
Protection: IP65 housing for demanding field and laboratory environments.
Data: 1000 GLP groups with stored measurement records.
Compensation: pressure and salinity correction for practical water samples.
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COLO.Science · Final Support Page
Manufacturer and support
COLO Lab Experts
Polje ob Sotli 4, SI-3255, Slovenia
Selection guidance: Send the sample type, expected dissolved oxygen range, salinity conditions, measuring location,
field/laboratory use case and preferred probe configuration. COLO.Science can help confirm the correct VIKING-DO511 configuration
and accessory set for your water quality workflow.
Quick contact
COLO.Science · VIKING-DO511 touch screen portable dissolved oxygen meter support
Need help selecting the correct portable DO meter configuration?
Send the sample matrix, measurement range, salinity and pressure conditions, required reporting format and expected field or laboratory use. COLO.Science can help confirm whether VIKING-DO511 is the correct configuration for your water quality, environmental or QA/QC workflow.
Technical and commercial configuration disclaimer:
This technical specification is provided for orientation, product selection and general information only. It does not represent the final binding technical specification, delivered configuration, accessory set, procurement requirement or acceptance criterion for a specific unit. The final official technical specification is only the specification confirmed by the manufacturer and issued for the exact configuration through an official COLO.Science quotation, proforma invoice, contract document, order confirmation or manufacturer-approved technical offer. Any values, options, accessories or configurations shown in this document must be verified for the specific delivery and should not be used as an exclusion or elimination criterion in procurement procedures without written manufacturer confirmation.
This technical specification is provided for orientation, product selection and general information only. It does not represent the final binding technical specification, delivered configuration, accessory set, procurement requirement or acceptance criterion for a specific unit. The final official technical specification is only the specification confirmed by the manufacturer and issued for the exact configuration through an official COLO.Science quotation, proforma invoice, contract document, order confirmation or manufacturer-approved technical offer. Any values, options, accessories or configurations shown in this document must be verified for the specific delivery and should not be used as an exclusion or elimination criterion in procurement procedures without written manufacturer confirmation.
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