ET7700 microcomputer ozone O3 concentration analyzer

Measurement range: 0.02 to 2.0 mg/L (ppm) O3

Adopting unique SMD microcomputer control technology, high-quality narrow band filter, temperature compensated LED optical system, built-in reaction timer, ensuring the results between sample measurement and user *, compact overall design, waterproof sample pool, ensuring fast and accurate measurement, good reproducibility, with calibration function and built-in software adjustment function, applied in scientific research, metrology for sample detection and identification.

Performance Features Highlights

Equipped with unique SMD microcomputer control technology, high-performance narrowband filter and temperature compensated LED light source system, new waterproof design, exquisite portability, and background light display screen.

▷ Factory and user-defined dual calibration function, automatic memory of the last zero calibration, no need for frequent zero calibration, good GLP function, automatic shutdown setting.

Unique IRiM infrared data transmitter [recommended ET214050] design, 16 sets of data storage, can be accessed and read at any time, convenient for on-site data organization and recording, and easy to connect with a computer for data transmission.

Technical Specifications

ET7700 Ozone

measurement range

0.02 to 2.0 mg/L（ppm）O3

resolution

0.01 mg/L（ppm）

Accuracy @ 20 ° C

±0.03 mg/L（≤0.67 mg/L）、±0.07 mg/L（≤1.3 mg/L）、±0.13 mg/L（≤2.0 mg/L）

optical system

Waterproof sample pool, temperature compensated LED optical system;

Wavelength accuracy: ± 1 nm; Resolution: 0.01A, Accuracy: 3% F.S. @ 20 to 25 ° C

Method Standard

Refer to the 18th edition of the standard methods for water and wastewater, 1992; DPD/glycine method

calibration mode

Automatic zero point calibration, factory calibration, and user-defined dual calibration modes

data management

16 sets of data storage, which can be accessed at any time; Cooperate with ET214050 IRiM infrared data transmitter for convenient data transmission with PC

Power mode

4 x 1.5AAA battery, automatically shuts down after 10 minutes without operation, LCD backlight

Applicable Environment

5 to 40 ° C, RH: 30 to 90% non condensing

Dimensions & Weight

Host size: 190 × 110 × 55mm, host weight: 455g

certification standard

CE certification, IP68 (under 0.1m conditions, 1 hour)

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