COLO.Science — Water Quality · Turbidity meters
VIKING-TU500 Benchtop Turbidity Meter
VIKING-TU500 measures turbidity of drinking water, process water and wastewater by the nephelometric (or ratio) method with a 860 nm LED (ISO 7027): 0–500 NTU, ±2 % of reading + 0.02 NTU, zero and 1–5-point Formazin calibration, 1000-result GLP memory.
Overview
Applications
- Drinking water: turbidity control after filtration and disinfection.
- Wastewater: influent, effluent and clarifier monitoring.
- Industry: process water, beverages, pharma and chemicals.
- Environment: surface water and field sampling.
Why VIKING-TU500
- Accuracy: ±2 % of reading + 0.02 NTU
- Calibration: Zero + 1–5 points with Formazin standards
- Light source: 860 nm LED (ISO 7027)
- Data memory: 1000 results, GLP (user ID, date, time)
Technical specifications
| Model | VIKING-TU500 |
| SKU | PRO7159 |
| Light source | 860 nm LED (ISO 7027) |
| Measuring principle | Nephelometric or ratio |
| Range (auto) | 0.00–9.99 / 10.0–99.9 / 100–500 NTU |
| Resolution | 0.01 / 0.1 / 1 NTU |
| Accuracy | ±2 % of reading + 0.02 NTU |
| Repeatability | ≤0.5 % |
| Stability | ±0.5 % FS / 30 min |
| Units | NTU, FNU, EBC |
| Reading modes | Continuous, average and auto reading |
| Calibration | Zero + 1–5 points with Formazin standards |
| Data memory | 1000 results, GLP (user ID, date, time) |
| Data output | RS-232 (printer) |
| Display | 5.7″ LCD |
| Power supply | Adapter 100–240 V AC / 24 V DC |
| Dimensions | 300 × 200 × 88 mm |
| Weight | approx. 1.5 kg |
ACCESSORIES AND CONSUMABLES
Accessories for the VIKING-TU500
The VIKING-TU500 is delivered with 5 turbidity vials, power adapter. Calibration standards are ordered separately to match the measuring range; spare vials and silicone oil keep the readings reliable.
PRO7162
Turbidity vials, 5 pcs
Optical glass sample vials with screw caps; keep them clean and scratch-free, mark the orientation.
Standard delivery
Consumables on request
- PRO7165 — Turbidity standards 20/200/500 NTU
- Silicone oil and lint-free cloth
- PRO7162 — Turbidity vials, 5 pcs
- RS-232 printer
- PRO7163 — Turbidity standards 20/200/500/1000/2000 NTU
Standards, vials and consumables on request. Full catalogue: Electrochemistry catalogue →
Selection guidance
VIKING-TU500 is chosen for drinking and process water up to 500 NTU at an economical price. COLO.Science helps you choose standards and vials.
Configuration checklist
- Range: low turbidity (drinking water) or up to 500 NTU (wastewater).
- Standard: ISO 7027 (LED) or US EPA 180.1 (tungsten lamp).
- Place of use: laboratory bench or field (IP65 portable).
- Calibration: weekly in routine work or before critical tests, from the lowest to the highest standard, then verification.
Where the VIKING-TU500 benchtop turbidity meter fits
The VIKING-TU500 benchtop turbidity meter is intended for routine turbidity measurement in drinking water, process water and wastewater laboratories. With a measuring range of 0–500 NTU and measurement according to ISO 7027, the VIKING-TU500 benchtop turbidity meter covers both low-turbidity samples such as treated drinking water and more heavily loaded samples from process control. Calibration is carried out with formazin or equivalent polymer standards, and results are shown in NTU. COLO.Science supports the instrument with standards, cuvettes, installation advice and service, so that it stays within specification throughout its working life.
Calibration and care of the VIKING-TU500 benchtop turbidity meter
Reliable turbidity results depend on clean cuvettes and regular verification. Before each series, wipe the cuvette with a lint-free cloth, check that it is free of scratches and air bubbles, and align it in the measuring chamber. Verify the VIKING-TU500 benchtop turbidity meter against a calibration standard at the interval required by your quality procedure, and recalibrate when the reading falls outside the permitted tolerance. Store standards as specified by their manufacturer and replace them after the expiry date. COLO.Science can supply verification standards and replacement cuvettes for the VIKING-TU500 benchtop turbidity meter and advise on a calibration schedule.
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.
Selection, commissioning and service support
Choosing a laboratory instrument is easier when the application is clear from the start. Tell us what kind of samples you measure, how many per day, which range and accuracy you need and which standards or internal procedures you follow. Based on that, our team recommends a suitable configuration together with the accessories and consumables that make sense for routine work, so you do not pay for options you will never use.
After delivery we stay available for practical questions: first start-up, calibration routine, daily care, storage and typical operator mistakes that shorten the life of sensors and wearing parts. If results begin to drift or the device reports an error, describe the symptoms and we will suggest what to check first before any repair is considered.
Spare parts, replacement sensors and calibration materials can be ordered later through the same contact. For a quotation or technical advice, use the request button on this page and add a short description of your application.
