Direct Thermal Mass Flow Meter for Gases, IP65 protected D-6370 MFM Bronkhorst

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D-6370 MFM

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0946452592

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sale01@tmpvietnam.com

Hãng sản xuất:

Bronkhorst

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Hà Lan

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Direct Thermal Mass Flow Meter for Gases, IP65 protected D-6370 MFM Bronkhorst

MASS-STREAM D-6370 MFM

Direct Thermal Mass Flow Meter for Gases, IP65 protected

Proven direct inline CTA sensor (no bypass)
Compact, rugged design (IP65, dust and waterproof)
Very low pressure drop
Less sensitivity to humidity or dirt
Optional with integrated TFT display

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MASS-STREAMD-6370 MFM

Compact IP65 Mass Flow Meters for higher flow rates of gases

Bronkhorst^® model D-6370 Mass Flow Meters (MFMs) are suited for precise measurement of flow ranges between 2…100 ln/min and 10…1000 ln/min at operating pressures between vacuum and 10 bar (Aluminium) or 20 bar (Stainless Steel). The MFM consists of a proven inline thermal (CTA) 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 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.

Technical specifications

Measurement / control system
Flow range, based on N₂ (intermediate ranges available)	min. 2…100 l_n/min max. 10…1000 l_n/min
Accuracy	± 1.0% RD plus ± 0.5% FS (at calibration conditions)
Repeatability	< 0,2% FS
Turndown	up to 1:100
Type of gases	almost all gases, compatible with chosen materials
Response time sensor	approx. 0,9 sec.
Operating temperature	0…50°C
Temperature sensitivity	±0.2% Rd/°C (Air)
Pressure sensitivity	±0,3% Rd/bar typical (Air)
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

Mechanical parts
Sensor	Stainless steel SS 316 (AISI 316L)
Instrument body	Aluminium AL 50ST/51ST (anodised) or stainless steel SS 316
Seals	standard: Viton^®; options: EPDM, Kalrez^® (FFKM), FDA and USP Class VI approved compounds
Sieves and rings	Teflon or stainless steel SS 316
Pressure rating	10 bar g for instrument body in aluminium, 20 bar g for instrument body in stainless steel SS 316
Process connections	G1/2" / compression type or face seal couplings
Ingress protection (housing, optional display)	IP65

Electrical properties
Power supply	+15…24 Vdc ±10%
Current peak values Meter	approx. 75 mA at 0% flow approx. 125 mA at 100% flow
Current peak values Controller	add 250 mA add 30 mA for display, if applicable add 50 mA for additional interface, if applicable
Analog output/command	0...5 (10) Vdc or 0 (4)…20 mA (sourcing output)
Digital communication	standard: RS232 options: PROFIBUS DP, DeviceNet™, Modbus-RTU, FLOW-BUS