Vortex Flow Meter
VFM60
VFM60 is a powerful flow meter utilizing “Karman vortex” theory, which can meet the requirement of measuring the flow rate of various fluids such as gas, steam and liquid. The product uses the VFM60 transmitter technology, which provides with the excellent signal processing capability and enhance the vortex metering technology to a new level, which means it has lower measuring limit, better stability and accuracy. The unique dual‐sensor design and special signal processing method has also ensured a better anti‐vibration by eliminating the vibration signals to provide more reliable performance and lower measurement limit. The VFM60 platform is also an open platform, which means we can keep on upgrading its function according to customer’s unique requirement, and make the product a highly custom‐orientation product.
Description
Vortex Flow Meter
- Sensor design that from maintenance.
- Self density calculation function is optional, can calculate density and mass flow rate without mass flow computer. Can output mass flow rate, temperature and pressure by working with separate RTD and pressure transmitter
- Multi‐variable version is optional, has built‐in RTD and pressure sensor and can measure and display flow rate, velocity, temperature, pressure, mass flow rate and
- Unit selectable function, meet different requirement on reading’s
- DIN, DN, ANSI, JIS flange for option, can fit in any process
- Many other options, such as 304SS and 316SS, insertion, wafer and flanged, different compensation method, different output methods. Customer can find the most suitable model to save cost.
- Self‐diagnose function, ensure easier trouble‐shooting
- Password can be set to protect setting model, easier for device management
- Blue tooth function optional, can read flow rate and other data on COMATE APP with and smart phone or pad.
1. Specification
1) Process Fluids:
Used in liquid, gas, and steam applications. Fluids must be homogeneous and single‐phase.
2) Line Sizes:
The wafer and flanged type cover line sizes as below. 1”, 1.5”, 2”, 3”, 4”, 5”, 6”, 8”,10” ,12”
(DN25, DN40, DN50, DN80, DN100, DN125, DN150, DN200, DN250, DN300)
The insertion type covers DN300~700.
Any requirement on other size, please check with our sales or engineers
3) Process connection:
Flanged, wafer, insertion. DN, ANSI, JIS, DIN Standard flanges are optional
4) Displayer:
Integral or remote.3 buttons control. 2 lines LCD displayer.
1st line has 5 digits to display V/flow rate/ mass flow / frequency/ temperature/ pressure 2nd line has 8 digits to displayer total flow
5) Measureable parameter
Volume flow rate in pipe, velocity (Can measure mass flow rate, temperature and pressure if wired to separate RTD and pressure transmitter.)
6) Measureable flow rate:
A 10:1 turndown ratio in 5~70m/s for gas and steam and in 0.5~7m/s for liquid .(For example , 5~50 or 5.5~55 or 6~60 for gas). You can also reference to Chart for measurable flow rate range in m3/hr and kg/hr. (Standard measurable range is 6~60m/s for gas ,steam ,and 0.6~6m/s for liquid. For DN25 or smaller pipe and DN300 or larger pipe, turndown ratio is 5:1. If the application requires higher turndown ratio, please advise to check possibility.)
7) Accuracy:
Wafer and flanged type 1% of reading for gas and steam, 0.75% of reading for liquid . Insertion type 2% of reading
8) Fluid temperature:
Standard version: ‐40~280 degree C.(Insertion type to 150 dgr C only) Expanded high temperature version: ‐40~350 degree C. (Not for insertion type)
9) Pressure rating:
Standard pressure rating is 1.6Mpa. Optional pressure rating includes 2.5Mpa, 4Mpa, 6.3Mpa. For higher pressure, please contact us to check possibility
10) Output
- Pulse, (Standard pulse and 200~1000Hz Frequency, K factor set according to calibration)
- 4~20mA
- HART@4~20mA(the HART signal is on 4~20mA)
- M‐BUS RS485
11) Explosive proof
Ex‐proof version is optional. (Ex dII C T3 Gb from NEPSI) ATEX, CSA, FM, IECEx proved enclosure are optional
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