Zongming Online Water Quality Automatic Monitoring Instrument

NegotiableUpdate on 01/22

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The principle of the Zongming Online Water Quality Automatic Monitoring Instrument for Total Chromium is that under acidic solution and certain temperature and pressure, various valence states and forms of chromium in the sample are oxidized to hexavalent chromium by potassium persulfate or *. Hexavalent chromium reacts with diphenylcarbazide (DPC) to form a purple red Cr phenylazocarbazide complex, which is measured by spectrophotometry at a wavelength of 540nm. Within a certain concentration range, Lambert Beer's law is followed, and the absorbance is proportional to the concentration of Cr (VI) in the water sample. By measuring the absorbance, Cr (VI) in the water sample can be indirectly obtained

Product Details

Zongming Online Water Quality Automatic Monitoring Instrument

2、 Characteristics of Total Chromium Automatic Detector

The design of 1. * enables this product to have a lower failure rate, lower maintenance, lower reagent consumption, and higher cost-effectiveness compared to similar products.

2. Optical components: Choose the rare dual beam used in domestic online monitoring instruments, which is not affected by various environmental factors during detection. Automatically correct system errors, improve instrument measurement accuracy, stability, and repeatability.

3. Choose valve components: use mainstream fluid components from the United States, Japan, or Germany, with smaller volume and simpler operation.

4. Measurement component: The reagent measurement is achieved through a visual photoelectric system, which overcomes the quantitative error caused by wear of the peristaltic pump tube; Simultaneously achieving the precision of trace reagentsQuantitative, each dose is only 1-5 milliliters, greatly reducing the amount of reagents used.

5. Sample injection component: Peristaltic pump negative pressure suction, there is always an air buffer zone between the reagent and the pump tube to avoid corrosion of the pump tube.

6. Sealed digestion component: High temperature and high pressure digestion system accelerates the reaction process and overcomes the corrosion of equipment caused by gas volatilization in open systems.

7. Reagent tube: Imported modified polytetrafluoroethylene transparent hose with a diameter greater than1.5mmReduced the probability of particle blockage in water samples.

8. Signal processing: The instrument adopts high-precision analog-to-digital conversion chips, greatly enhancing the scalability of the core board, adapting to various usage environments, and making the operation of the instrument more convenient and user-friendly.

9. Temperature control: Select imported temperature measuring components to form a standardThe temperature control system adopts temperature compensation technology to overcome the influence of temperature drift and ensure that the sample reaction conditions are more in line with the requirements.
总铬在线分析仪

3、 Technical parameters of total chromium monitoring instrument

Technical Specifications	data metrics	Parameter Description	remark
measureQuantity range	0-0.5 mg/L (can be expanded according to actual conditions)	Can be expanded according to actual situations	Abnormal alarms and power outages will not result in data loss，Touch screen display and command input. After abnormal reset and power failure, the instrument automatically returns to power Automatically discharge residual reactants and restore working status.
measurement period	The measurement cycle is 30 minutes
Accuracy	±10%
repetitiveness	±10%
sampling period	Time interval and hourly measurement mode	Adjustable from 1 to 9999min
calibration cycle	Adjustable at any interval and time from 1 to 99 days
maintenance cycle	Usually once a month, about 60 minutes each time
Environmental Requirements	For indoor environments with adjustable temperature, it is recommended to have a temperature range of+5-28 ℃; Humidity ≤ 90% (non condensing)	non-condensing
size	Height 1350 x Width 500 x Depth 400mm
power supply	AC220±10%V，50±10%Hz，5A
output	RS-232, RS485, 4-20mA or 0-5V

Attachment:《User Manual for Total Chromium Online Analyzer》Total chromium reagent

Zongming Online Water Quality Automatic Monitoring Instrument