CNGmass DCI是專為燃料補給設(shè)計，適用于對環(huán)境無害的天然氣（CNG）測量。它可以精確測量天然氣流量并直接在現(xiàn)場顯示出來。通過“觸摸控制”，進行維修過程中的外部操作，。為更好地進行數(shù)據(jù)交換，它還提供有一個Modbus接口。
用于現(xiàn)場操作與診斷的FieldCare
能耗極低
節(jié)省安裝空間的一體化結(jié)構(gòu)
平衡的雙管測量系統(tǒng)設(shè)計，抗震性好
無需進出口直管段，安裝簡便
科氏力測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。
流體溫度可以高達+150 °C (+302 °F)
過程壓力最高可達350 bar (5080 psi)
質(zhì)量流量測量可以達到150 kg/min (330 lb/min)
危險區(qū)域認證
ATEX, NEC/CEC, NEPSI
通用控件連接
Modbus RS485
測量原理
科氏力
主要特點
The refueling application flowmeter with seamless system integration. Accurate measurement of compressed natural gas (CNG) in high pressure refueling applications.
特點
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
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
