Measurement range: 0.01 to 6.0 mg/L (ppm) Cl2, 0.1 to 10 mg/L (ppm) Cl2

Kind reminder: The selected range of this instrument varies, and the corresponding reagents used are also different. Please choose and use it correctly.

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

ET6900 residual chlorine [free chlorine] - total chlorine

measurement range

0.01 to 6.0 mg/L（ppm）Cl2，0.1 to 10 mg/L（ppm）Cl2

resolution

0.01 mg/L（ppm）、0.1 mg/L（ppm）

Accuracy @ 20 ° C

±0.05 mg/L（0 to 1 mg/l）、±0.10 mg/L（1 to 2 mg/l） 、±0.20 mg/L（2 to 3 mg/l）

±0.30 mg/L（3 to 4 mg/l）、±0.4 mg/L（4 to 8 mg/l）、±0.5 mg/L（8 to 10 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 USEPA method 330.5 and standard method 4500-Cl G

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: 155 × 75 × 35mm, host weight: 260g

certification standard

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

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