Six band automatic selection conversion, wavelength range 430 to 660nm, capable of measuring nearly 110 water quality indicators such as COD, residual chlorine, total chlorine, total phosphorus, total nitrogen, and ammonia nitrogen [click to view all measurement items];

The chemical oxygen demand (COD) is determined using the potassium dichromate method (K2CrO7). The pre made COD reagent complies with the Standard method 5220D and US EPA 410.4 standards. The dedicated heating digestion device is made of heat-resistant and corrosion-resistant materials, and can digest 24 samples simultaneously. It has overheating protection function to ensure safe and stable use.

Performance Features Highlights

Microcomputer control technology, countdown function, user-friendly interface, six band light source, wavelength range 430-660nm, automatic wavelength selection;

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.

▷ Built in application with over 110 water quality testing methods, capable of creating 25 user-defined programs,

▷ 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.

1000 sets of data storage, RS232 data interface, can be accessed and read at any time, convenient for data organization and recording, and easy to connect with a computer for data transmission.

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Technical Specifications

ET99722

measurement items

Built in [Click to view all measurement items] nearly 110 measurement parameter applications, capable of creating 25 user-defined methods

optical system

Waterproof sample pool, temperature compensated LED optical system;

A six band light source with wavelengths of 430nm, 530nm, 560nm, 580nm, 610nm, and 660nm, with a wavelength of 5 nm; Resolution: ± 1nm

Luminous range 2600mAbs to+2600mAbs; Optical resolution: 0.005A

calibration mode

Adopting SMD microprocessing technology, automatic zero point calibration, factory calibration, and user-defined dual calibration modes

GLP function with built-in real-time clock, backlight display, waterproof operation

data management

1000 sets of data storage, RS232 data interface, can be accessed at any time; Convenient for data transfer with PC

Corrosion resistant operation panel, touch keyboard with key prompt sound

Power mode

7 × 1.5AAA high-quality rechargeable battery and AC230V/12VDC power adapter [recommended ET193010]

Applicable Environment

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

Dimensions & Weight

Host size: 265 × 195 × 70mm, host weight: 1000g

certification standard

CE Certification

Technical specifications of heating and digestion processor

Dissolve quantity

Can simultaneously digest 24 samples, with a digestion aperture of 16mm, suitable for international custom tube reagents

Temperature setting

70, 100, 120, 150 ° C four gear selection

time control

30, 60, 120 minutes or continuous heating. After digestion is complete, it will automatically turn off with a prompt sound

temperature range

Pt100A built-in temperature probe, accuracy: ± 0.3 ° C

Protection type

ABS heat-resistant and corrosion-resistant material, temperature automatic control, anti overheating system protection

Power mode

230 V/50-60 Hz or 115 V/50-60 Hz; 40W

Manually switch between 110 V and 220 V through the voltage switch on the back

Applicable Environment

10 to 40°C、RH：85％ Max

Dimensions & Weight

Host size: 219 × 171 × 248mm, host weight: 3.9Kg

certification standard

CE Certification

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