Viking 202S Portable Colorimeter for Water Quality Analysis
Viking 202S Portable Colorimeter
OVERVIEW
The Viking 202S Portable Colorimeter for water quality analysis is built for professionals who demand accurate and reliable results in the field or lab. With compact design and intuitive operation, it simplifies colorimetric testing across multiple applications.
Equipped with a 3-inch color display and a high-precision optical filter system, it delivers stable and accurate measurements. The instrument supports direct concentration reading, automatic power-off, and features a built-in standard curve with the option for custom curve setup. Calibration up to 7 points is possible, with a factory calibration restore function.
With a large memory capacity of up to 5000 test records, a rechargeable battery providing up to 10 hours of operation, and Micro USB data output, the Viking 202S is designed for demanding field and laboratory use. Its IP54 rating ensures durability in various environments.
Viking 202S Portable Colorimeter – platinum-cobalt colorimetry, range 20‑500 PCU, accuracy ±5%, resolution 0.01 PCU. Stores up to 5000 records, 3″ color screen, rechargeable battery (10h operation), Micro USB, IP54. Ideal for environmental monitoring, industrial water testing, and field analysis.
COLO.Science · Reliable water quality analysis for lab and field.
COLO.SCIENCE KNOWLEDGE
Practical insights for colorimetric analysis
Explore COLO.Science articles on colorimetry principles, platinum-cobalt method, field water testing tips, and parameter-specific guides (chlorine, iron, manganese, COD, ozone, phosphate).
Product Overview
The Viking 202S Portable Colorimeter is designed for professionals requiring accurate and reliable colorimetric analysis of water samples. Its compact, portable design combined with a high-precision optical system makes it ideal for both field and laboratory use. Whether monitoring environmental water quality, testing industrial effluents, or conducting routine lab analysis, the Viking 202S delivers dependable performance with user-friendly operation.
Configuration notice — delivery depends on selected options
Colorimeters may be delivered in different configurations depending on the application and selected accessories (parameters, reagents, etc.). The official PDF technical specification defines the exact configuration, included components and available options for each model/variant. Content shown on this website is provided for general informational purposes only and may not represent the final delivered configuration. Specifications may change without notice.
Key Features
High-precision optical filter
Direct concentration reading
Built-in & custom curves
7-point calibration
5000 records storage
Rechargeable battery
Micro USB output
IP54 rating
Measurement
High‑Precision Colorimetric Analysis with Flexible Calibration
Accurate & stable readings
High-precision optical filter system and silicon photodiode light source ensure stable, repeatable measurements across the 20–500 PCU range.
Flexible calibration
Up to 7-point calibration with factory restore option. Built-in standard curves plus support for user-defined custom curves.
Large data capacity
Store up to 5000 test records with easy recall. Micro USB port allows convenient data export to PC.
Measurement Specifications
- Method: Platinum-Cobalt Colorimetry
- Range: 20–500 PCU
- Absorbance range: –0.3 to 3 A
- Accuracy: ±5%
- Resolution: 0.01 PCU
- Colorimetric method: Tube-based
Hardware & Display
- Display: 3-inch color screen
- Light source: Imported silicon photodiode
- Power: Rechargeable Li‑ion / AC adapter
- Battery life: Up to 10 hours
- Waterproof: IP54
- Data output: Micro USB
Physical & Environmental
- Dimensions: 100 × 210 × 70 mm
- Net weight: 1 kg
- Shipping size: 355 × 265 × 150 mm
- Gross weight: 2 kg
- Operating temp: 5–40 °C
- Humidity: ≤85% RH (non-condensing)
Technical Specifications (Viking 202S)
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | VIKING202S | Type | Portable Colorimeter |
| Measurement principle | Beer-Lambert Law, Photometric | Parameters | Cl, Fe, Mn, COD, O3, PO4 (version dependent) |
| Light source | Pulsed Xenon Lamp | Measurement time | 1 second |
| Power supply | 4× AAA / AC adapter | Operating temp. | 0 °C to 40 °C |
| Dimensions | 102 × 217 × 63 mm | Weight | ~550 g |
| Interface | RS-232, USB (model dependent) | Supported standards | JIS Z 8722, CIE D65 |
Note: For the complete specification table, please refer to the Viking 202S catalog (PDF).
Standard Delivery
- Viking 202S Portable Colorimeter main unit
- Sample bottles (5 pcs)
- Power adapter (charger)
- User manual
Exact kit contents may vary by region and selected parameter configuration; please refer to the current catalog and quotation for final configuration.
Colorimeter Series — Key Differentiators
Compare COLO portable colorimeters by range, data capacity and key features to choose the best fit for your lab or field work.
| Parameter | Viking 101 | Viking 150 | Viking 202S | Viking 300 |
|---|---|---|---|---|
| Measurement range | 0–100 PCU | 10–250 PCU | 20–500 PCU | 5–1000 PCU |
| Data storage | 1000 records | 2000 records | 5000 records | 10000 records |
| Calibration points | 3-point | 5-point | 7-point | 7-point |
| Display | 2.4″ mono | 2.8″ color | 3″ color | 3.5″ touch |
| Waterproof rating | IP42 | IP42 | IP54 | IP67 |
Viking 202S — Your reliable partner for colorimetric analysis
The Viking 202S Portable Colorimeter combines a wide measurement range, high‑capacity data storage, and intuitive operation – everything you need for accurate and efficient water quality testing, backed by COLO.Science.
COLO.Science · Reliable water quality analysis for lab and field.

