Residual chlorine - Total chlorine range: 0.01 to 6.0 mg/L (ppm) Cl2, 0.1 to 10 mg/L (ppm) Cl2

Acid requirement [KS4.3]: 0.1 to 4 mmol/L; Acidity: 6.5 to 8.4 pH; Urea: 0.1 to 2.5 mg/L (ppm) (NH2) 2CO

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

ET8691 residual chlorine [free chlorine] - total chlorine - acidity - required acidity [KS4.3] - urea

measurement range

Residual chlorine total chlorine: 0.01 to 6.0 mg/L (ppm) Cl2, 0.1 to 10 mg/L (ppm) Cl2

Acid requirement [KS4.3]: 0.1 to 4 mmol/L; Acidity: 6.5 to 8.4 pH

尿素： 0.1 to 2.5 mg/L（ppm）（NH2)2CO

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

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

Recommend purchasing accessories

ET197620 custom glass colorimetric dish, specification: H48mm × ∅ 24mm, 12 sets/group

ET517711 customized DPD NO. 1/NO. 3 reagent, type: tablet, suitable for range: 0.01 to 6.0 mg/L (ppm) Cl2

ET517791 Customized DPD NO. 1/NO. 3 HR reagent, type: tablet, suitable for range: 0.1 to 10 mg/L (ppm) Cl2

ET471056 customized special residual chlorine total chlorine reagent type: water-based, suitable for range: 0.02 to 4.0 mg/L (ppm) CI2

ET517800 customized specialized urea reagent, type: tablet+water solution

ET511770 customized acidity reagent, type: tablet

ET513210 customized specialized acid reagent, type: tablet

ET214050 customized dedicated IRiM infrared data transmitter, USB interface, suitable for data transmission to a computer for data, management, and analysis

ET197635 customized glass colorimetric dish cleaning cloth, packaging: 4 pieces/group

ET364107 Customized Tablet Special [Blue] Grinding Rod, Specification: 10cm