Description
AM 40 handheld oxygen meter with backlit LCD display (128 × 64 pixels) is a portable instrument for dissolved-oxygen and oxygen-saturation measurements in laboratory and field applications. The graphical display and plain-text menu structure support clear operation via the housing keypad, while a USB interface enables configuration and data recording. An integrated data logger stores up to 4.000 data records for documentation and later evaluation. Measurement ranges cover 0…200 % and 0…20 mg/l, with temperature measurement and compensation from 0…100 °C. Power is supplied by three AA 1,5 V cells; the ambient operating range is −10…55 °C. The ABS housing is rated IP 65, with sensor connection BK and USB access via a 4-pole socket. Gross weight is 0,30 kg. This handheld meter from manufacturer Meinsberg – a Xylem brand is suited to routine oxygen monitoring, process checks and mobile analytical work where a compact, protected instrument with logging capability is required.
This article is part of Dissolved oxygen & multiparameter meters, in pH & electrochemistry.
Key features
- Pack size: 1 pc
- Product type: Handheld oxygen meter
- Display: LCD 128 x 64 pixels, backlit
- Measuring ranges: 0…200 %, 0…20 mg/l
- Temperature range: 0…100 °C (measurement and compensation)
- Data logger: 4.000 data records
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Questions about AM 40
What is this article?
AM 40 is the article on this page. Luminix Health distributes Meinsberg - a Xylem brand for laboratory use. It sits in Dissolved oxygen & multiparameter meters, inside pH & electrochemistry, in Lab instruments.
A dissolved-oxygen meter reads oxygen in a liquid, optically or with a Clark cell. A multiparameter meter adds pH, conductivity or both on one instrument. The sensor cap or the membrane is the consumable. A reading in air and a reading in water are different calibrations.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
Which category should I open next?
The category is pH & electrochemistry. The sub-category is Dissolved oxygen & multiparameter meters. The catalogue is Lab instruments.
Shelves beside this one are pH electrodes & sensors, pH meters, Conductivity meters & cells, Titrators & electrochemistry systems and pH & electrochemistry accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

