Ex-Proof Coriolis Mass Flow Meter/Controller for low flow rates
Xuất sứ: Holland
Nhà cung cấp: PITESCO VIET NAM
Hãng sản xuất: Bronkhorst
MINI CORI-FLOW EX D XM13
Ex-Proof Coriolis Mass Flow Meter/Controller for low flow rates
- High accuracy, excellent repeatability
- Fast response
- Independent of fluid properties
- Additional density and temperature output
- IECEx and ATEX Zone 1 approved
Ex-proof Coriolis Mass Flow Meters/Controllers for low flow rates
mini CORI-FLOW Ex d Mass Flow Meters are precise and compact instruments for low flow rates, based on the Coriolis measuring principle, built in an explosion proof housing for use in IECEx and ATEX Zone 1 hazardous areas, ATEX approval II 2 G Ex d e IIB T6 Gb. Bronkhorst® model XM13 Mass Flow Meter (MFM) is suited for highly accurate measurement of gas or liquid flow ranges between 1…50 g/h and 20…2000 g/h (which corresponds with 13,3…666 mln/min up to 0,26…26,6 ln/min when used on nitrogen) at operating pressures up to 138 bar (a).
The instrument contains a microprocessor based pc-board with signal and fieldbus conversion and a PID controller for optional mass flow control by means of a separately mounted control valve or pump.
Technical specifications
Measurement / control system |
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Mass flow accuracy |
Liquid: ± 0,2% of rate; |
Turndown |
Meter: up to 1:100; |
Repeatability |
±0,05% of rate ± ½(ZS* x 100/flow)% based on digital output |
Zero Stability (ZS)* |
< ±0,2 g/h |
Response time, meter (t98%) |
≤ 200 msec |
Settling time, controller |
1 sec. (typical) |
Temperature range |
Ambient temperature range: 0...55°C |
Temperature effect** |
on zero: < 0,02 g/h/°C; |
Temperature accuracy |
±0,5°C |
Density accuracy |
< ±5 kg/m3 |
Mounting*** |
Any position, attitude sensitivity negligible |
Leak integrity |
Outboard < 2 x 10-9 mbar l/s He |
Warm-up time |
> 30 min. for optimum accuracy |
Mechanical parts |
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---|---|
Material (wetted parts) |
stainless steel 316L or comparable |
Sensor |
single tube, DN 0.5 |
Pressure rating |
138 bar abs |
Process connections (welded) |
1/8" OD compression type; other on request |
Seals |
metal |
Valve seat (controllers) |
Kalrez®-6375, other on request |
Ingress protection (housing) |
IP66 |
Electrical properties |
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Power supply |
+15…24 Vdc +/- 10% |
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Max. power consumption |
Meter: max. 3 W; |
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Analog output |
0...5 (10) Vdc, min. load impedance > 2 kΩ; |
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Analog setpoint |
0...5 (10) Vdc, min. load impedance > 100 kΩ; |
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Digital communication |
standard: RS232; |
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Electrical connection |
All instrument connections are wired to screw terminals |