In contrast to total emissions calculations, flow is an equally important factor as pollutant concentration. The accuracy of flow measurement plays a crucial role, therefore,HJ353-2019, HJ354-2019, HJ355-2019, HJ356-2019 industry standards specify clear requirements for flow error and its measurement.
DeRunThe DR-102A Open Channel Flow Comparison Measurement System consists of an on-site flow measurement and transmission unit, an online flow meter data acquisition unit, and an open channel flow meter comparison data management system. It employs high-precision level sensors, still water well level measurement, video recognition for on-site flow data acquisition, and real-time level comparison without delay. This system provides a one-stop solution for on-site flow comparison, generates reports on-site, and meets the technical requirements of national environmental protection standards such as HJ353-2010, HJ354-2019, and HJ355-2019 for measurement accuracy and testing methods. It is an ideal tool for environmental monitoring, environmental supervision, third-party operation companies, and third-party testing companies to calibrate, compare, and verify the validity of data for installed open channel flow meters.
Feature Highlights:
Suitable for various weirs: Compatible with Barcher weirs, rectangular weirs, right-angled triangular weirs, and equal-width thin-walled weirs, etc.;
Operation Simple: Built-in multiple weir channel standard formulas for easy setup;
Accurate Measurement: High precision measurement, unaffected by smog, foam, condensation, and other factors.;
Video Recognition: Professional video recognition technology, effortlessly and accurately capture online traffic data;
Real-time Comparison: No time delay in real-time comparison between the on-site flow meter level and the comparison device level;
Report Output: Synchronously obtain standard traffic and online traffic, automatically perform error calculation, and output reports on-site.;
Data Export: All reports can be exportedUSB export for easy editing and application.
Battery-powered: Continuously operational with battery power12 hours.
Technical Specifications:
Flow Measurement Range | Determined by weir type and water level |
Flow measurement error | ≤3% |
Repetitive Flow Error | ≤1% |
Level Measurement Range | 50.00mm~1000.00mm |
Level measurement error | ≤0.70mm |
Level resolution | ≤0.05mm |
Level repeatability error | ≤0.15mm |
Timekeeping Error | ≤10s/24h |
Continuous Operating Time | 12h |
Power supply method | DC12V (rechargeable battery) / AC220V |
Work Environment Temperature | (0~50)℃ |
Workplace humidity | ≤85%RH |
































