Honeywell Elster EC350
Key Specifications
| Brand | Honeywell |
|---|---|
| Model | Elster EC350 |
| Category | Flow Computers |
| Function type | 体积修正仪(EVC) / PTZ 气体体积修正器 |
| Application | 天然气贸易交接、工商业燃气计量、CNG/LNG 站与配气 |
| Correction / computation standards | AGA-7、AGA-8（Gross 1&2 / Detailed）、NX-19 |
| Computed quantities | 标况体积（修正后体积）、标况流量 |
| Accuracy | 压力 ±0.1% FS；温度 ±0.1% 读数（-40~70℃）；参考条件 ±0.04% FS |
| Pressure inputs | 1 或 2 路（数字式即插即拔压力变送器） |
| Temperature input | 一体式温度传感器 |
| Communication protocol | Modbus、RS232/485、IrDA、蜂窝调制解调器、AMR/AMI |
| Output signal | 4 光耦输出（3×脉冲 + 1×报警）、可选 4-20 mA |
| Power supply | 锂电池（10 年）/ 碱性电池（5-7 年）/ DC 外供 |
| Custody transfer approval | MID、EN12405、Measurement Canada、CSA/MC |
| Explosion protection | ATEX / IECEx Ex ia IIB T4 Ga；CSA Class I Div 1&2 |
| Display | 多行动态对比度 LCD |
| IP rating | IP65 |
| Mounting | UMB / 旋转表体直装 / 壁挂 |
| Operating temperature | -40 ~ +65 ℃（环境） |
| Audit trail | 最多 5 条独立日志，可配置 |
| Self-diagnostics | 传感器故障、电池低电量、通信异常预警 |
Data Sources
- Product page: https://process.honeywell.com/us/en/products/gas/distribution/volume-converters/ec350-volume-converter
- Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/hps/products/pmc/gas/distribution/volume-converters/ec350-volume-converter/pmt-hps-ec-350-datasheet-d.pdf
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