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HHMA-Cr6 hexavalent chromium heavy metal analyzer

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HHMA-Cr6 hexavalent chromium heavy metal analyzer

Product description
Technical indicators
-Measuring principle:
In an acidic solution, hexavalent chromium and diphenylcarbazide (DPC) in the water sample form a purple-red compound, which is spectrophotometrically measured at a wavelength of 540 nm. Differently, the colorimetric method is used to measure the colorimeter, and finally the concentration value of hexavalent chromium is calculated.
- typical application:
Online monitoring of surface water, industrial wastewater (such as electroplating wastewater), and hexavalent chromium at the inlet and outlet of sewage plants
-Instrument features:
● Low waste liquid. The amount of waste liquid is only 1.1L / month
● Low reagent consumption. No need to change reagents in one month
● Automatic range, automatic dilution. Both low-range and high-range modes
● Automatic backwash sample filter, automatically cleaned after each test
● Automatic calibration
● 5.7 ”color LCD touch screen
● Chinese menu
Scan the QR code to read on your phone
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Technical index
Measurement methods: Colorimetry
Measuring range: 0.05 ~ 3 (low), 0.4 ~ 10mg / L (high)
Detection limit: 0.01mg/l
Accuracy: ±3%F.S
Repeatability: ±3%F.S
Zero drift: ±5%F.S
measure time: 50min
Digestion time: 120 ℃ high temperature digestion
Automatic calibration cycle: Closed, 1 day, 2 days ... 7 days optional
Maximum reagent dosage: 5L / month
Sample flow rate: 1 ~ 3L / min, take 50mL each time for measurement
Sample temperature range: 10-40℃
Signal output: 4-20mA/RS232/RS485
Installation Environment: Indoor installation
power supply: AC220V±10%,50Hz
Dimensions (H × D × W): 900 × 255 × 600mm (analyzer body)
weight: 60kg (without reagents)


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