Product Overview
The instrument adopts the principle of spectrophotometry and can measure hexavalent chromium, total chromium, total manganese, total iron, total zinc, total nickel, total copper, total lead, total cadmium, and total cobalt. Users can order according to their needs. The instrument is suitable for online monitoring of various enterprise wastewater discharge outlets, surface water, rivers and lakes, etc.
Product Features
▶ Equipped with automatic fault handling to reduce operation and maintenance workload
▶ Independent research and development, supporting personalized customization
▶ High precision injection pump, precise and stable quantification
▶ Integrated digestion tank, durable, reinforced and sealed
▶ High quality pipelines, acid, alkali, and corrosion resistant
▶ Experienced operation and maintenance team, worry free after-sales service
▶ The measurement principle is the same as the laboratory method, which is convenient for comparison and accurate for testing
Product Parameters
Measurement factor | hexavalent chromium |
measurement range | 0~2mg/L(Can be customized according to customer needs) |
measurementprinciple | Diphenylcarbazide spectrophotometric method |
indication error | ±ten% |
Quantitative lower limit | ≤zero point zero one zeromg/L |
zero drift | ≤5% |
range drift | ≤ten% |
execution standard | HJ 609-2019 Hexavalent Chromium Water Quality Automatic Online Monitoring Instrument Technical Requirements and Testing Methods |
measurement method | Manual measurement; Interval measurement; Automatic measurement (user selected time point measurement) |
Calibration function | Manual calibration; Automatic calibration; Zero point calibration; Calibration of standard solution |
Verification function | Manual verification; Automatic verification |
signal output | 2-channel RS485; 2-channel 4-20mA; 1-channel RS232 |
communication protocol | HJ212; Modbus |
Environmental Requirements | 5~40℃ |
working power supply | AC(220±ten%)V,(50±1%)Hz |
data storage | At least one year of data, data will not be lost during power outages, and data can be exported from a USB flash drive |
power | <170W |
power failure protection | Automatically discharge residual liquid after power on and restore to working condition |
Instrument size | Length 46cm x Width 36cm x Height 150cm (subject to actual product) |
weight | About 60kg |
other | Personalized customization (various switch outputs, valve control, water pump control, etc.) |