
DR4900 for water analysis
Hach’s DR4900 takes the laboratory spectrophotometer to a new level:
- 10″ touchscreen
- Temperature and turbidity diagnostics
- Four simultaneous timers
- Automatic reading of barcoded cuvettes
DR3900 for water analysis
The DR3900 spectrophotometer is designed to deliver reliable results while guiding the operator through the entire workflow.
During sample preparation, the number of manual steps is reduced and reagent dosing becomes more precise.
During analysis, the instrument automatically recognises the test in use and also checks the reagent expiry date. Finally, documentation is simplified: data is easy to manage and control charts are immediately available.
Anyone working with water analysis on a daily basis will find in the DR3900 an instrument that streamlines procedures and generates clear, complete reports. Ammonium, COD, phosphate, nitrogen and many other control parameters can be determined quickly and easily. Every aspect of operation, from the photometer to the individual analyses, has been designed to minimise the risk of error.
DR6000, for professional laboratories

For everyday laboratory work as well as for the most demanding photometric applications, the DR6000 UV-VIS spectrophotometer sets a performance benchmark.
Its intelligent software supports the laboratory manager in calibration, quality control and the creation of custom applications.
The instrument performs high-speed scans across the entire UV and visible spectrum and includes over 250 pre-programmed methods, covering the most widely used analytical procedures. With its dedicated accessories — the carousel sample changer for high volumes and the sample delivery system, which eliminates errors caused by optical differences — it covers water analysis needs from every angle.
The DR6000 is also compatible with Claros, Hach’s Water Intelligence System that connects instruments, data and processes, accessible anytime and anywhere: more reliable data and more efficient processes.
ONDA TOUCH UV-21

ONDA TOUCH UV-21 is a single-beam spectrophotometer operating in both the ultraviolet and visible ranges, with a working range from 195 to 1050 nm and a 4 nm bandwidth. The tungsten and deuterium sources cover the full spectral range, while the 5″ colour touch screen display makes operation immediate and intuitive.
The multilingual operating system includes photometry, quantitative analysis, file management and performance verification functions; a USB flash memory makes data storage and transfer easy.
ONDA TOUCH UV-31 SCAN

With an extended operating range from 190 to 1100 nm and a bandwidth reduced to 2 nm, the ONDA TOUCH UV-31 SCAN delivers superior spectral resolution for measurements in both the UV and visible ranges.
The optical architecture is single-beam, with a dual tungsten/deuterium source for complete spectral coverage.
Control is via a 5″ colour touch screen display with a multilingual interface. In addition to photometry and quantitative analysis, the instrument features full spectral scanning, file management and performance verification; the USB flash memory allows data to be saved and transferred with ease.
ONDA UV-42 SCAN

The UV-42 SCAN adopts a double-beam optical architecture, which compensates in real time for source fluctuations and ensures stable, repeatable measurements across the entire working range, from 190 to 1100 nm.
The fixed 1 nm bandwidth offers high spectral resolution, while the system is completed by a dual tungsten/deuterium source and a silicon photodiode detector.
The large 10.1″ colour touch screen display hosts a multilingual interface; the 64 GB internal memory, which is expandable, provides ample space for methods and results.
The software package is particularly comprehensive: multi-wavelength measurements (Multi WL), quantitative analysis, spectral scanning, time scanning, kinetics, DNA and protein determination, custom methods, as well as file management and instrument performance verification.
LLG-uniSPEC

The LLG-uniSPEC range comprises three single-beam UV/VIS spectrophotometers that share the same basic architecture: 1200 lines/mm grating, silicon photodiode detector, dual tungsten-deuterium lamp with automatic wavelength adjustment, LCD display, USB and parallel ports, 4-position 10 mm cell holder and memory for 200 data groups or calibration curves. All cover the same photometric measuring range (-0.3…3 A, 0…200 %T) and are supplied with 4 glass cuvettes, 2 quartz cuvettes and a dust cover.
The entry-level uniSPEC 1 model (190–1000 nm, ±2 nm accuracy) is designed for routine quality control and teaching; it operates standalone, and optional Windows 10 software extends its functions to kinetics and spectral scanning.
The uniSPEC 2 (190–1100 nm, ±0.5 nm), on the other hand, includes the PC software as standard and natively supports kinetics, scanning, multi-wavelength analysis and DNA/protein measurement, making it suitable for pharmaceutical, biochemical and clinical applications.
At the top of the range, the uniSPEC 4 offers the same versatility with higher accuracy (±0.3 nm), a narrower spectral bandwidth (1.8 nm) and halved stray light (≤0.05 %T), ideal for complex measurements.








