Product Features
- Based on fluid dynamics (CFD) measurement pipe section structure design, no requirement for straight pipe section installation before and after;
- Base meter adopts stainless steel, the mirror surface of the pipe inner wall never scales and rusts, and the accuracy remains unchanged after long-term use;
- The product is certified by China National Instrument and Meter Explosion-proof Safety Supervision and Inspection Station, explosion-proof mark Ex d mb II B T6;
- Hollow base meter pipe, bidirectional measurement, no flow disturbing parts, no need to install Y-type filter before the meter;
- Multi-sound path structure design for multi-section measurement, wide range ratio up to 800:1, meeting the requirement of precise measurement of extremely small flow;
- Battery powered, micro power consumption design, can work continuously for more than 10 years;
- The entire base meter adopts high-quality seamless stainless steel (SUS304) pipe, precision processed by industrial robots, reliable quality;
- Intelligent manufacturing, can be flexibly customized according to customer needs;
- IP68 protection level, the whole machine and electronic components can work underwater for long-term;
- The product complies with national drinking water hygiene and safety standards, and has passed hygiene certification from provincial inspection and quarantine departments;
- Multiple output methods: standard RS485, optional LoRa, NB-IoT, 4-20mA current output, pulse, GPRS, etc.;
- Optional built-in pressure measurement, GPRS integrated wireless remote transmission function;
Technical Parameters
| Maximum Working Pressure | 1.6Mpa | |
| Temperature Grade | T30, T50 (default T30), high temperature type T70, T90 | |
| Accuracy Grade | Conforms to JJG162-2009 "Cold Water Meter" standard Class 2, Class 1 optional | |
| Caliber Range | DN15～DN600 | |
| Range Ratio | R250, R500, R800 (provided according to customer needs) | |
| Explosion-proof Mark | Ex d mb II B T6 | |
| Material | Stainless steel SS304 (SS316 or SS316L optional if higher material requirements) | |
| Battery Life | More than 10 years (power consumption ≤0.5mW) | |
| Protection Level | IP68 | |
| Working Environment Temperature | -40~+70℃, ≤100%RH (please inform us when ordering if beyond this range) | |
| Pressure Loss | ΔP10, ΔP16 (based on different dynamic flows) | |
| Climate and Mechanical Environmental Condition Category | Category C | |
| Electromagnetic Environment Grade | E2 | |
| Signal Output | RS485 (ModBus), LoRa, M-bus, OCT pulse output, 4-20mA, GPRS, etc. optional | |
| Display | Display Monitor | Liquid crystal 9-digit double-line display + status prompt |
| Display Content | Can display cumulative flow (m3, L, GAL), instantaneous flow (m3/h, L/min, GPM), pressure (Mpa), temperature (℃), power alarm, water flow direction, output mode, etc. on the same screen | |
| Data Communication | Photoelectric Interface | Baud rate 2400bps, using EN13757 protocol |
| RS485 | Baud rate 2400bps, 4800bps, 9600bps optional, default 2400bps, ModBus-RTU protocol | |
| Connection Method | Flange connection (adopting GB/T9119-2010 standard) | |
| Upstream and Downstream Flow Field Sensitivity Grade | U3/D0 or U0/D0 | |
| Measurement Frequency | 1-4 times/second, adaptive according to different flow states | |
| Data Storage | Can store data of the last 7*24 hours, 365 days, 72 months, data permanently saved after power failure | |
Note: GAL means gallon; GPM: gallon/minute
Digital Display Screen
