Active Member
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[China]
Address: Wasion Industrial Park, 468 West Tongzipo Road, Yuelu District, Changsha, Hunan Province, PRC
Contact name:Eric Yang
Willfar Information Technology Co. Ltd. |
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Prepaid RF Card Smart Gas Meter-ZG-D-4.0 Willfar
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in
December 2019;
- Leading supplier of meter reading (AMI) equipment and operation
service;
- The first company to develop "One DCU Reading Multi-meter"
solution in China;
- The first company to have large-scale application of technologies
and systems like "CPU smart-card Charge and Control", "One DCU
Reading Multi-meter", LoRa-based RF Communication and "District
Metering Area (DMA)”
Introduction
Technical Parameters
| Items | Parameters | ||
| Specification | ZG-D-1.6 | ZG-D-2.5 | ZG-D-4.0 |
| qmax(m3/h) | 2.5 | 4.0 | 6.0 |
| qmin(m3/h) | 0.016 | 0.025 | 0.04 |
| Maximum permissible errors | Class 1.5 qmin≤q＜0.1qmax: ±3% 0.1qmax≤q≤qmax: ±1.5% | ||
| Normal working condition | 0.5KPa～50KPa | ||
| Total pressure loss | ≤200Pa | ||
| Cyclic Volume | 1.2dm³ | ||
| Temperature of metering medium | -25～50℃ | ||
| Working voltage | 3.6V | ||
| Data interface | RF Card | ||
| Anti-hazard classes | Exib ll BT3 | ||
| Severity levels | E1, B | ||
| Valve life | ≥10,000 | ||
Certificate
OIMLR31/OIMLR137/EN1359
Features
Basic Functions
Advanced Functions
Situations
Resource management of large-scale enterprise, urban gas company, property Management Company and department of data collecting and measuring.
Dimensions
| Dimensions | G1.6/G2.5/G4 |
| A | 90/110/130 |
| B | G3/4”,G1”,G1-1/4”,NPT1-1/2” |
