● Exquisite and portable, easy to operate, precise and fast measurement, background light display screen, GLP function, automatic shutdown setting

● Memorize usage methods, quickly search for all methods, and ensure standard consistency

16 sets of data storage, which can be accessed and read at any time, making it convenient for on-site data organization and recording

Infrared transmission design, IRiM infrared transmitter (ET214050) and computer connection

● Factory and user-defined dual calibration function, automatically remembers the last zero calibration when the instrument is turned off, eliminating the need to calibrate the instrument zero every time it is measured, ensuring accurate and reliable measurement

Waterproof sample pool design, prefabricated supporting reagents, more reasonable operation and maintenance

● Applied to water treatment, wastewater/drinking water, cooling water/boiler water, swimming pool water, etc
The ET7900 phosphate concentration analyzer adopts SMD microcomputer control technology, high-quality narrow band filter, temperature compensated LED optical system, compact overall design, waterproof sample pool, ensuring fast and accurate measurement, good reproducibility, with calibration function and built-in software adjustment function. It is applied in scientific research, metrology, sample testing, and identification.

Technical specifications for ET7900 phosphate (PO4) concentration analyzer
Host model	MD100
range	0.05-4.0mg/L
accuracy	±0.05mg/L(≤2mg/l)，±0.10mg/L（≤4mg/l)​
resolution	0.01mg/L
Units	mg/l P2O5=mg/l PO4 X0.75，mg/l P=mg/l PO4 X0.33
Reagent type	ET517651 Phosphate Reagent (Tablets 100)
optical system	660nm, waterproof sample cell, equipped with temperature compensated LED optical system, wavelength accuracy ± 1nm
Photometric index	Resolution: 0.01A, Accuracy: 3% F.S
Calibration Mode	Automatic zero point calibration, using SMD microprocessing technology, with factory calibration and user-defined calibration modes
data management	16 sets of measurement data are automatically stored using the IRiM infrared data transmission module
Power supply mode	4X1.5AAA battery with automatic shutdown and power-saving function (10 minutes)
Usage environment	5-40°C； RH： 30-90% non condensing
Dimension	155×75×35mm/260g