ET99109N Microcomputer Chemical Oxygen Demand COD Concentration Tester-Global supplier

205, Building A, Yinzhou International Building, No. 258 Chengjiaqiao Road, Minhang District, Shanghai

measurement range：0 to 150 mg/L（ppm）O2、0 to 1500 mg/L（ppm）O2、0 to 15000 mg/L（ppm）O2
uniqueSMDMicrocomputer control technology, high-quality narrowband filter with temperature compensationLEDOptical 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.
▷ UniqueIRiMInfrared data transmitter [recommended]ET214050】Design,16Group data storage, which can be accessed and read at any time, facilitates on-site data organization and recording, and connects with computers for convenient data transmission.

Technical Specifications	ET99109N [Vertical Version]
measurement range	0 to 150 mg/L（ppm）O2、0 to 1500 mg/L（ppm）O2、0 to 15000 mg/L（ppm）O2
resolution	1 mg/L（ppm）、1 mg/L（ppm）、10 mg/L（ppm）
precision@20°C	±3.5 % F.S.
optical system	Waterproof sample pool, temperature compensationLEDOptical system; 430 nm、610 nmDual wavelength， △ λ= 5 nm；resolution：0.01A
Method Standard	Reference water and wastewater standard methods，18thVersion, potassium dichromate/sulfuric acid colorimetric method【ISO 15705:2002】
calibration mode	Automatic zero point calibration, factory calibration, and user-defined dual calibration modes
data management	16Group data storage, which can be accessed at any time; cooperate, coordinate, collaborateET214050IRiMInfrared data transmitter, convenient for communication withPCdata transmission
Power mode	4×1.5AAAbattery， tenAutomatic shutdown with no operation for minutes、LCDbackground light
Applicable Environment	5 to 40°C、RH：30 to 90％No condensation
Dimensions & Weight	host size：190×110×55mm，host weight：450g
certification standard	CEcertification、IP68（0.1munder the condition， oneHour)
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