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Datasheet F-112AX

EX-FLOW F-112AX

Ex-Protected Mass Flow Meter for Gases

  • ATEX approval Cat.2, Zone 1
  • Also IECEx, TIIS and KCs certified
  • High accuracy, excellent repeatability
  • Virtually pressure and temperature independent
  • Compact design
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EX-FLOWF-112AX

Intrinsically Safe Gas Mass Flow Meters for medium flow rates

Bronkhorst® EX-FLOW Mass Flow Meters (MFMs) are suited for precise gas flow measurement in ATEX Zone 1 hazardous areas. The MFM should be connected to a power supply with galvanic isolation / preamplifier / readout system (located in the safe zone). See Bronkhorst® E-8000 Series.

EX-FLOW model F-112AX covers flow ranges from 0,3...15 ln/min up to 5...250 ln/min (N2-equivalent) at operating pressures up to 100 bar.

The intrinsically safe measuring head of the flow meter is tested according to ATEX 114 Directive 2014/34/EU and approved under EC-Type Examination Number: KEMA 01ATEX1172, protection II 2 G Ex ib IIC T4 Gb.
Other certifications: IECEx (IECEx DEK14.0060), TIIS (検・第TC21584号) and KCs = Ex ib IIC T4.

Technical specifications

Measurement / control system
Flow range (intermediate ranges available)min. 0,3…15 ln/min
max. 5…250 ln/min
(based on N2)
Accuracy (incl. linearity) (based on actual calibration)± 1 % FS
Repeatability< 0,2 % RD
Turndown ratio1:50 (2…100%)
Time constant5 sec.
Operating temperature-10 … +70 °C
Temperature sensitivityzero: < 0,05% FS/°C; span: < 0,05% Rd/°C
Leak integrity, outboardtested < 2 x 10-9 mbar l/s He
Attitude sensitivitymax. error at 90° off horizontal 0,2% FS at 1 bar, typical N2
Warm-up time30 min. for optimum accuracy
2 min. for accuracy ± 2% FS
Mechanical parts
Material (wetted parts)Stainless steel 316L or comparable
Pressure rating (PN)100 bar abs
Process connectionscompression type or face seal (VCR/VCO) couplings
Sealsstandard: FKM/Viton®;
options: EPDM, FFKM/Kalrez®, FDA and USP Class VI approved compounds
Ingress protectionIP65
Electrical properties
Output signal15 … 20 mA (linear)
Terminal connection, cable gland M16x1,5
I/O signals via PS/Readout (located in safe area)analog: 0…5 Vdc, 0…10 Vdc, 0…20 mA, 4…20 mA;
digital: RS232, PROFIBUS DP, DeviceNet™, Modbus RTU or ASCII, PROFINET, EtherCAT®, FLOW-BUS
Electrical connection
Ex-proof measuring headTerminal connection, cable gland M16x1,5
Control valve options
External actuator options to be connected to the controller
Certification for hazardous areas
Approvals / certificates

Technical specifications subject to change without notice.

For dimensional drawings and hook-up diagrams please visit the product page on our website

Downloads

Brochures
EX-FLOW brochure
Manuals
Manual EX-FLOW meters and controllers - ATEX
Manual EX-FLOW meters and controllers - IECEx
Manual EX-FLOW meters and controllers - TIIS
Hook-up diagram
MFM Measuring Head
XB-Coil
XC-Coil
Dimensional drawing
Dimensional drawing F-112AX
Certificates
IECEx Certificate EX-FLOW MFM Measuring Head X100 : IECEx DEK14.0060
TIIS Certificate EX-FLOW MFM Measuring head X100 : 検・第TC21584号 (Japanese certification)
KCs Certificate EX-FLOW MFM Measuring Head X100 :: Ex ib IIC T4 (Korean certification)
ATEX CAT 2 Certificate EX-FLOW MFM Measuring Head X100 : KEMA 01ATEX1172
EU Declaration of Conformity Measuring Head X100 : ATEX CAT 2 (doc. 9.06.032)
ATEX CAT 2 Certificate XB-coil
ATEX CAT 2 Certificate XC-coil
ATEX CAT 2 Notification Directive 2014/34/EU : DEKRA 12ATEXQ0100
Download as PDF
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〒135-0016
東京都江東区東陽5-27-5
Tel.  03-3645-1371

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Bronkhorst High-Tech designs and manufactures innovative instruments and subsystems for low-flow measurement and control for use in laboratories, machinery and industry. Driven by a strong sense of sustainability and with many years of experience, we offer an extensive range of (mass) flow meters and controllers for gases and liquids, based on thermal, Coriolis and ultrasonic measuring principles. Our global sales and service network provides local support in more than 40 countries. Discover Bronkhorst®!