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The HI5421 is an advanced research grade benchtop Dissolved Oxygen and BOD meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity. The HI5421 is rich in features including data logging, alarm limits, comprehensive GLP, and more while retaining simplicity in use with both dedicated key for routine operation and virtual keys that guide the user through setup options.This product is used to measure Dissolved Oxygen and BOD

The HI839800 COD Test Tube Heater is an easy to use thermoreactor constructed of durable materials. The aluminum block incorporates a 25 vial capacity and a well for a reference temperature probe. Its well-marked user interface provides intuitive operation, equipped with two arrows to set the built-in timer and a temperature button with two predefined temperature settings: 150ºC and 105ºC. Additional features include status indicator lights, a thermal fuse to prevent overheating, and continuous LCD display.Low and high temperature alertsBuilt-in countdown timerStatus indicator lights

The HI5321 is an advanced research grade benchtop EC/TDS/Salinity/Resistivity meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity. The HI5321 is rich in features including 4 point calibration, autoranging, data logging, alarm limits, comprehensive GLP, and many more while retaining simplicity in use with both dedicated key for routine operation and virtual keys that guide the user through setup options.This product is used to measure EC/TDS/Salinity/Resistivity

Intuitive and Digital COD Analysis Thermoreactor ECO 16 ensures a simple and easy programming of time (from 1 to 199 minutes or continuous) and temperature (from ambient to 160 °C).Through the digital display, it is possible to monitor the test at any time, with the countdown constantly shown.The unit automatically shuts down when the analysis time expires, whilst safety is of primary importance, as demonstrated by the antisplash cover that protects the user and other samples and the several acoustic and visual signals that report unpleasant situations. Eco 16 has also the transparent test tube cover that offers a constant visual control.Safe and FastECO 16 COD Thermoreactor can be used with 14 small tubes of 16 mm and 2 x 22 mm. The thermoreaction in small test tubes minimizes reagent consumption and reduces the required space and equipment to one reactor block that works on several samples at the same time.Each test set-up is a self-contained disposable vial, which is inserted into a heating system, using small amounts of reagent and sample and so decreasing both the cost and the waste volume. ECO 16 is suitable for performing a short time COD analysis, in only 30 minutes with a high thermoreaction temperature (160 °C).

The HI5421 is an advanced research grade benchtop Dissolved Oxygen and BOD meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity. The HI5421 is rich in features including data logging, alarm limits, comprehensive GLP, and more while retaining simplicity in use with both dedicated key for routine operation and virtual keys that guide the user through setup options.The HI5421 is an advanced research grade benchtop dissolved oxygen and BOD meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity.The HI5421 is supplied with the HI76483 Clark-Type Polarographic probe that measures a wide range of dissolved oxygen from 0.0 to 600% saturation and 0.00 to 90.00 mg/L (ppm). The HI76483 is only 12 mm in diameter and has a built-in thermistor temperature sensor that compensates for temperature variations from 0 to 50 oC.The HI5421 can be calibrated automatically to two points (0% and 100% saturation or 0.00 mg/L and 8.26 mg/L) or to a user-defined value. The calibration data including date, time, and calibration points can be accessed at any time along with the current measurement by selecting the Good Laboratory Practice (GLP) display option.Readings are compensated for barometric pressure by a built-in pressure transducer located in the meter. Calibration of the barometric pressure is a single point with manual entry of current value obtained from local weather service or other device. Barometric pressure is displayed in a multiple choice of units including mmHg, mbar, kPa, mHg, psi, and atm.  The HI5421 also allow for automatic salinity compensation with a selectable salinity range of 0 to 45 g/L.The HI5421 offers three additional measurement modes: Biological Oxygen Demand (BOD), Oxygen Uptake Rate (OUR) and Specific Oxygen Uptake Rate (SOUR). Simply enter values and take readings at appropriate times and the meter will automatically calculate the values. Three selectable logging modes are available: automatic, manual and AutoHold logging. Up to 100,000 data points can be recorded in 100 lots with 50,000 records max/lot and exported to a computer for data review and storage.What's in the Box:(1)  HI76483 DO probe(1) HI76404W electrode holder(1) HI7041S electrolyte solution (30 mL)(2) HI76407A DO membrane caps(1), 12 VDC adapter(1) Instrument quality certificate(1) Instruction manual

CODG-3000 Online COD Analyzer use principle of the potassium dichromate method for measuring COD: the water sample, potassium dichromate, silver sulfate solution (the catalyst oxidizes the linear aromatic hydrocarbon compound more fully) and concentrated sulfuric acid are heated to 175 ° C in the digestion tank. During this period, the chromium ion is reduced as the oxidant from the VI valence to the III valence and the color is changed. The degree of color change corresponds to the content of the organic compound in the sample, and the instrument directly displays the COD of the sample by colorimetric conversion. The main interference of CODG-3000 potassium dichromate type Online COD Analyzer for wastewater cod detection is chloride, which can be removed by adding mercury sulfate to form a complex.

HI83314 is a compact, multiparameter photometer for measuring key water and wastewater quality parameters. The meter is one of the most advanced photometers available with an innovative optical design that utilizes a reference detector and focusing lens to eliminate errors from changes in the light source and from imperfections in the glass cuvette. 10 key water and wastewater quality parameters with 20 different methods covering multiple ranges are programmed into the meter. Wastewater treatment digestion parameters include COD, Total Nitrogen and Total Phosphorous which are important for monitoring nutrient removal. The HI83314 also offers an absorbance measurement mode for performance verification and for users that would like to develop their own concentration versus absorbance curves.

The Hanna Instruments PCA310, PCA320, PCA330 and PCA340 series of chlorine, pH, ORP and temperature analyzers are microprocessor controlled, process analyzers which continuously monitor a sample stream for chlorine content, pH, ORP and temperature values.

The HI93754A-25 are barcode reagent vials that follow the EPA approved method for the low range determination of chemical oxygen demand (COD) using a compatible benchtop photometer. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each box for traceability.Pre-dosed reagents for ease of useSupplied with certificate of qualityMarked with expiration date and lot number for traceability