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In-Flow F-141MI Bronkhorst

Mã sản phẩm: F-141MI
Sử dụng cho Model:
Hãng SX: Bronkhorst
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In-Flow
Model: F-141MI
Hãng: Bronkhorst

Thông tin sản phẩm

Bronkhorst® model F-141MI Mass Flow Meters (MFMs) are suited for precise measurement of flow ranges between 0,3…15 mln/min and 2…100 ln/min at operating pressures up to 700 bar. The MFM consists of a thermal mass flow sensor and 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. The IN-FLOW model is of rugged design (IP65) for use in industrial environments or even Zone 2 hazardous areas, with optional ATEX Cat. 3 approval.

IN-FLOW series are equipped with a digital pc-board, offering high accuracy, excellent temperature stability and fast response. The main digital pc-board contains all of the general functions needed for measurement and control. In addition to the standard RS232 output the instruments also offer analog I/O. As an option, an on-board interface can be mounted to provide DeviceNet™, PROFIBUS DP, Modbus or FLOW-BUS protocols.

High accuracy, excellent repeatability
Pressure rating 700 bar
Virtually pressure and temperature independent
Compact design

Rugged, weatherproof housing (IP65, dust and waterproof)

Thông số kỹ thuật


Measurement / control system

Accuracy (incl. linearity)
(based on actual calibration)

±0,5% Rd plus ±0,1% FS
Turndown 1:50
Multi fluid capability

storage of max. 8 calibration curves

Repeatability < 0,2% Rd

Response time

typical: 0,5 seconds
Operating temperature -10…+70°C;
for ATEX cat. 3 0…50°C
Temperature sensitivity zero: < 0,05% FS/°C; span: < 0,05% Rd/°C
Pressure sensitivity 0,1% Rd/bar typical N2; 0,01% Rd/bar typical H2
Leak integrity, outboard tested < 2 x 10-9 mbar l/s He
Attitude sensitivity max. error at 90° off horizontal 0,2% FS at 1 bar, typical N2
Warm-up time 30 min. for optimum accuracy
2 min for accuracy ± 2% FS


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