Mobile heavy metal analysis: 946 Portable VA Analyzer

Determine trace levels of heavy metals in water in the field with the 946 Portable VA Analyzer. By determining heavy metals, such as arsenic, mercury, zinc, lead, copper, nickel, cobalt, iron, or bismuth on site instead of in the lab, you are able to obtain results within minutes instead of shipping samples to the laboratory and waiting for results.

Our 946 Portable VA Analyzer offers you:

  • Full mobility – perform your analysis anywhere and get results quickly.
  • Simple handling – low-maintenance sensor and accessories included.
  • Accurate results – detect trace levels of heavy metals.

The 946 Portable VA Analyzer at a glance

  • Portable battery-powered analyzer
    for mercury, arsenic, and copper in water
  • Straightforward operation:
    predefined methods, semidisposable and disposable sensors, results within several minutes
  • High-quality results
    suitable for analysis in accordance with WHO guideline values
  • Complete package
    with all accessories you need to get started

Don't take the sample to the lab – Take the lab to the sample

With the 946 Portable VA Analyzer, you can take a sample, analyze it, and get the results in one go.

The time-consuming task of taking samples to the laboratory to perform the analysis is therefore eliminated.

Portable analyzer for trace-level heavy metal analysis in line with WHO guidelines for drinking water

Straightforward and quick heavy metal analysis

From sample introduction to results evaluation, the 946 Portable VA Analyzer makes analysis as easy as can be.

The 946 Portable VA Analyzer makes your work easy along the entire process. Simply put the sample in the dedicated cell, start the predefined method with one click, and get the result on your laptop screen only minutes later.
946 Portable VA Analyzer for mobile voltammetric trace analysis of arsenic, mercury, and copper in water

Bottles, pipettes, cell, and sensor – All in a convenient case

Portable voltamemtry analyzer and accessories for arsenic, mercury, and copper analysis in water

The convenient transport case contains all accessories you need to start measuring:

  • Instrument with compact, robust measuring cell and cables
  • scTRACE Gold sensor
  • Reagent bottles, pipettes, and more accessories
scTRACE Gold electrode for arsenic and heavy metal determination in water using voltammetry
Disposable Metrohm DropSens screen-printed electrodes (SPE):
  • are economical and maintenance-free
  • offer a wide selection of working electrode materials

Accurate and reproducible results

The 946 Portable VA Analyzer allows you to perform measurements with the sensitivity, accuracy, and reproducibility required to detect the levels specified in official guidelines*.

Result of total arsenic in water determined with portable voltammetric 946 Portable VA Analyzer
Analyte Limit value*
 Limit of detection
Antimony 20 µg/L
1 µg/L 
10 µg/L
1 µg/L
1 µg/L
Cadmium 3 µg/L
0.3 µg/L 
Chromium  50 µg/L
2 µg/L 
Cobalt -
 0.2 µg/L
Copper 2000 µg/L  0.5 µg/L
Iron -
 10 µg/L
Lead 10 µg/L
0.2 µg/L
Mercury 6 µg/L
 0.5 µg/L
Analyte Limit value*
 Limit of
70 µg/L
0.4 µg/L
Selenium 10 µg/L
 2 µg/L
Tellurium -  1.5 µg/L
10 µg/L
 Zinc - 5 µg/L

*) As specified in the Guidelines for Drinking-water Quality of the World Health Organization.