Description
This product is based on the ultrasonic gas meter, equipped with an IC card intelligent control module, so as to realize the functions of terminal prepayment, settlement and valve control. It is characterized by non-contact, no rotatable parts, large range ratio, good linearity, high reliability and high measurement accuracy.
Key Strengths
No issue of mechanical wearExcellent repeatabilityBluetooth top-upNo pressure lossCompact sizeNo moving partsHigh measuring precisionTemperature and pressure compensationAmount/volume settlementOne meter with one cardNo magnetic induction elements, free from magnetic field effect
Key Technologies
Large measuring rangeBi-directional measurementsSmall starting flowrateIntelligent self-diagnosticsValve shut-off due to overflow and under-voltage
Specifications
| Type | G1.6 | G2.5 | G4 |
| Qmax (m3/h) | 2.5 | 4 | 6 |
| Qmin (m3/h) | 0.016 | 0.025 | 0.04 |
| Qstart (dm3/h) | 3 | 5 | 5 |
| Range ratio | 200:1 | ||
| Accuracy class | 1.5 | ||
| Working voltage | 6V | ||
| Battery | AA alkaline battery (NO. 5)/ lithium battery 3.5V | ||
| Working temperature | ﹣15℃～50℃ | ||
| Maximum working pressure | 10kPa | ||
| Average working current | ≤1mA | ||
| Quiescent current | ≤20μA | ||
| Pressure absorption | ＜200Pa | ||
| Meter fittings central distance (mm) | 130 | ||
| Degree of protection | IP65 | ||
| ATEX | ExibII BT3 Gb | ||
| Measuring resolution | 0.001m³ | ||
| Valve durability | >10000 cycles | ||
| Temperature and pressure compensation | Optional | ||
Dimensions
