Description
Conductivity meter LFW-200 is a digital wall-mounted instrument for continuous conductivity monitoring in laboratory and process water systems. It combines a two-digit LCD display with grey/blue backlight and a green/red LED status indicator with built-in alarm buzzer for clear visual and acoustic feedback. The limit value is continuously adjustable between 0,1 and 199 µS/cm, while the measuring range extends from 0,055 to 199,9 µS/cm. A potential-free switching contact and a 4–20 mA analogue output support straightforward integration into control loops. A separate measuring electrode with cell constant c=0,2 is required for operation. The meter from manufacturer Evoqua Water Technologies is designed for use with pressure-resistant stainless steel ion exchangers SG 2000 to SG 15000 equipped with 3/4'', 1-1/4'' and SK connections. Power supply is 90–230 V at 50–60 Hz via a 1,5 m cable with Euro plug; power consumption is 2 W. The housing is rated IP65 and measures 120 × 200 × 60 mm (H × W × D) with electrode. Cable entry uses a kink-protection grommet. Supplied as one complete wall-mount unit.
This article is part of Conductivity meters & cells, in pH & electrochemistry. See also pH meters.
Key features
- Pack size: 1 pc
- Product type: Conductivity meter
- Measuring range: 0,055–199,9 µS/cm
- Limit adjustment: 0,1–199 µS/cm continuous
- Outputs: potential-free contact and 4–20 mA
- Protection class: IP65
- Technical Information Sheet:
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Questions about Conductivity meter LFW-200, digital
What is this article?
Conductivity meter LFW-200, digital is the article on this page. Luminix Health distributes Evoqua Water Technologies for laboratory use. It sits in Conductivity meters & cells, inside pH & electrochemistry, in Lab instruments.
A conductivity meter and its cell measure how well a solution carries current. The cell constant is the geometry that converts conductance to conductivity, and it is calibrated with a standard. Temperature compensation matters because conductivity rises with temperature.
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 Conductivity meters & cells. The catalogue is Lab instruments.
Shelves beside this one are pH electrodes & sensors, pH meters, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
What should I check before I order?
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.
