CNGmass DCI是專為燃料補(bǔ)給設(shè)計(jì),適用于對(duì)環(huán)境無(wú)害的天然氣(CNG)測(cè)量。它可以精確測(cè)量天然氣流量并直接在現(xiàn)場(chǎng)顯示出來。通過“觸摸控制”,進(jìn)行維修過程中的外部操作,。為更好地進(jìn)行數(shù)據(jù)交換,它還提供有一個(gè)Modbus接口。
用于現(xiàn)場(chǎng)操作與診斷的FieldCare
能耗極低
節(jié)省安裝空間的一體化結(jié)構(gòu)
平衡的雙管測(cè)量系統(tǒng)設(shè)計(jì),抗震性好
無(wú)需進(jìn)出口直管段,安裝簡(jiǎn)便
科氏力測(cè)量原理不受流體本身的物理性質(zhì)影響,比如粘度和密度。
專為使用天然氣(CNG)燃料的汽車設(shè)計(jì)。
流體溫度可以高達(dá)+150 °C (+302 °F)
過程壓力最高可達(dá)350 bar (5080 psi)
質(zhì)量流量測(cè)量可以達(dá)到150 kg/min (330 lb/min)
危險(xiǎn)區(qū)域認(rèn)證
ATEX, NEC/CEC, NEPSI
通用控件連接
Modbus RS485
測(cè)量原理
科氏力
主要特點(diǎn)
The refueling application flowmeter with seamless system integration. Accurate measurement of compressed natural gas (CNG) in high pressure refueling applications.
特點(diǎn)
Excellent operational safety – reliable under extreme process conditions. Fewer process measuring points – multivariable measurement (flow, density, temp). Space‐saving installation – no in/outlet run needs. Flow rates up to 150 kg/min (330 lb/min). Process pressure up to 350 bar (5080 psi).
Transmitter features
High flexibility in system integration – wide range of communication interfaces. Fast commissioning – preconfigured devices. Automatic recovery of data for servicing. Device in compact or remote version. Flexible outputs and Modbus RS485.
直徑
DN 8 to 25 (⅜ to 1")
Wetted materials
Measuring tube: 1.4435 (316L)
Connection: 1.4404 (316)
Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density
測(cè)量誤差
Mass flow: ±0.5 % of batch
量程
0 to 150 kg/min (0 to 330 lb/min)
壓力范圍
350 bar (5080 psi)
過程溫度
–50 to +150 °C (–58 to +302 °F)
環(huán)境溫度
Standard: –20 to +60 °C (–4 to +140 °F)
Option: –40 to +60 °C (–40 to +140 °F)
Sensor housing material
1.4301 (304), corrosion resistant
Transmitter housing material
Powder‐coated die‐cast aluminium
電子插件的防護(hù)
IP67, type 4X enclosure. Remote transmitter: IP67, type 4X enclosure
顯示/操作
4‐line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible
輸出
4 modular outputs:
0‐20 mA (active)/4‐20 mA (active/passive)
Pulse/frequency/switch output (passive), phase‐shifted pulse
Relay
輸入
1 modular b: status
通信
HART, Modbus RS485
Power supply
DC 16 to 62 V
AC 85 to 260 V (45 to 65 Hz)
AC 20 to 55 V (45 to 65 Hz)
防爆認(rèn)證
ATEX, IECEx, NEC/CEC, NEPSI
Other approvals and certificates
3.1 material, calibration perbed on accredited calibration facilities (acc. to ISO/IEC 17025), custody transfer
CRN