High performance spectrophotometric determination, 330-990nm continuous wavelength, wavelength accuracy: ± 2nm; wavelength reproducibility: ± 1nm, user-defined calibration and automatic wavelength scanning function, user-defined curve, can be used to measure nearly 120 water quality indicators such as COD, TOC, residual chlorine, total chlorine, total phosphorus, total nitrogen, ammonia nitrogen [click to view all measurement items];

Can create user-defined programs, with dual modes of factory calibration and user-defined calibration, RS232 data interface, 1000 sets of data storage, user-friendly interface, suitable for laboratory and on-site rapid sample analysis and measurement.

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, 330-990nm continuous wavelength, automatic wavelength selection;

Adopting unique SMD microcomputer control technology, self calibrating tungsten lamp light source, holographic grating, silicon photodetector, 10 nm bandwidth; Absorption range: -0.3 to 2.5 Abs, backlight display screen.

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

▷ Multi functional measuring cell, can use 16mm, 24mm circular colorimetric dishes and 10mm, 20mm, 50mm rectangular colorimetric dishes, with good GLP function and 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

ET99731

measurement items

Built in [Click to view all measurement items] nearly 120 measurement parameter applications, capable of creating 25 user-defined methods

optical system

Self calibrating tungsten lamp light source, holographic grating, silicon photodetector, 10 nm bandwidth; Absorption range: -0.3 to 2.5 Abs

Wavelength range 330 to 900 nm (continuous wavelength); Wavelength accuracy: ± 2nm; wavelength reproducibility: ± 1nm

Measurement pool specifications

Multi functional measuring pool, capable of using 16mm, 24mm circular colorimetric dishes and 10mm, 20mm, 50mm rectangular colorimetric dishes

GLP function with built-in real-time clock, background light display, and splash proof 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

AC230V/12VDC power adapter [recommended ET711090]

Applicable Environment

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

Dimensions & Weight

Host size: 275 × 150 × 270mm, host weight: 3.2kg

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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