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Mass-Tream D-6321 MFC Bronkhorst

Mã sản phẩm: D-6321 MFC
Sử dụng cho Model:
Hãng SX: Bronkhorst
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Mass-Tream
Model: D-6321 MFC
Hãng: Bronkhorst


Thông tin sản phẩm

Bronkhorst® model D-6321 Mass Flow Controllers (MFCs) are suited for precise measurement of flow ranges between 0,05…1 ln/min and 0,34…7 ln/min at operating pressures between vacuum and 10 bar (Aluminium) or 20 bar (Stainless Steel). The MFC consists of a proven inline thermal (CTA) mass flow sensor, a precise control valve and a microprocessor based pc-board with signal and fieldbus conversion. As a function of a setpoint value, the flow controller swiftly adjusts the desired flow rate. The instument is IP65 complient and can optionally be equipped with a modern, multi-functional and multi-colour display, with operator buttons on the instrument.

The digital MASS-STREAM™ series is characterized by a high degree of signal integrity and, as an option, up to 8 calibration curves of different gases and process conditions can be memorized in the instrument. 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-RTU or FLOW-BUS protocols.

Proven direct inline CTA sensor (no bypass)
Compact, rugged design (IP65, dust and waterproof)
Less sensitivity to humidity or dirt
Optional with integrated TFT display
Very good price-performance ratio

Thông số kỹ thuật

Measurement / control system
Accuracy (based on calibration with Air at 5 bar (a) and T = 20 °C) ±2% FS including non-linearity*
±1,5% FS on request*
Repeatability < 0,2% FS
Turndown 1:20
Type of gases almost all gases, compatible with chosen materials
Response time sensor approx. 0,3 sec.
Settling time (controller) plus approx. 2 seconds
Operating temperature 0…50°C
Temperature sensitivity ±0.2% Rd/°C (Air)
Pressure sensitivity ±0,3% Rd/bar typical (Air)
Control stability < 0,2% FS typical
Max. Kv-value 6,6 x 10-2
Leak integrity tested < 2 x 10-8 mbar l/s He
Attitude sensitivity at 90° deviation from horizontal max. error 0,2 % at 1 bar typical N2
Warm-up time 30 min. for optimum accuracy,
within 30 seconds for accuracy ±4% FS


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