Bronkhorst IN-FLOW User Manual Page 1

Instruction manual General instructions digital Mass Flow / Pressure instruments laboratory style / IN-FLOW Doc. no.: 9.17.022U Date: 13-01-2015 AT

BRONKHORST HIGH-TECH B.V. page 10 9.17.022 IN-FLOW , IN-PRESS To comply with the IP65 ingress protection standard, the p.c. board is housed in a s

BRONKHORST HIGH-TECH B.V. 9.17.022 page 11 1.1.5 Valves Laboratory style For gases: The solenoids of these valves have an IP50 ingres

BRONKHORST HIGH-TECH B.V. page 12 9.17.022 1.2 Sensor principles 1.2.1 Gas flow sensors (by-pass measurement) The majority of gas flow sensors o

BRONKHORST HIGH-TECH B.V. 9.17.022 page 13 2) The CTA based LIQUI-FLOW model for flow rates up to approximately 1000 g/h. The CTA based LIQUI-FLOW

BRONKHORST HIGH-TECH B.V. page 14 9.17.022 1.3.3 Pilot operated valve For high flow rates the pilot operated valve has been designed. A solenoid

BRONKHORST HIGH-TECH B.V. 9.17.022 page 15 1.4.2 For liquids This calculation method can be used to determine the Kv-value of the main o

BRONKHORST HIGH-TECH B.V. page 16 9.17.022 1.4.3 Maximum pressure drop For (pilot) solenoid operated control valves with small orifices the maxim

BRONKHORST HIGH-TECH B.V. 9.17.022 page 17 1.6 Conversion factors 1.6.1 Gas conversion factors (by-pass measurement) The general formula for de

BRONKHORST HIGH-TECH B.V. page 18 9.17.022 The approximate accuracy of the conversion factors listed is: typical for conversion factors; >

BRONKHORST HIGH-TECH B.V. 9.17.022 page 19 At nominal flow ranges for each instrument, a good approximation is the use of the so-called “CFDirect” c

BRONKHORST HIGH-TECH B.V. SCOPE OF THIS MANUAL This manual covers the general part of digital massflow / pressure instruments for gases or liquid

BRONKHORST HIGH-TECH B.V. page 20 9.17.022 2 Installation 2.1 Receipt of equipment Check the outside packing box for damage incurred during sh

BRONKHORST HIGH-TECH B.V. 9.17.022 page 21 2.4 Mounting The mounting position depends on the type of instrument. For flowmeters the preferred posit

BRONKHORST HIGH-TECH B.V. page 22 9.17.022 2.7 Piping BE SURE THAT PIPING IS ABSOLUTELY CLEAN! DO NOT install small diameter piping on high flowr

BRONKHORST HIGH-TECH B.V. 9.17.022 page 23 Fold the shield of the cable back over the cable (the shield must be around the cable). Wind a

BRONKHORST HIGH-TECH B.V. page 24 9.17.022 8DIN connector assembly Notes: 1. When connecting the system to other devices (e.g. to PLC), be sur

BRONKHORST HIGH-TECH B.V. 9.17.022 page 25 3 OPERATION 3.1 General The Bronkhorst High-Tech B.V. instruments are designed in such a way that they

BRONKHORST HIGH-TECH B.V. page 26 9.17.022 3.4 Start-up Turn on fluid supply gently. Avoid pressure shocks, and bring the instrument gradually up

BRONKHORST HIGH-TECH B.V. 9.17.022 page 27 0V common-Current output signalsSourcinginstrumentoutput I+mA3.8 Analog operation Digital instruments ca

BRONKHORST HIGH-TECH B.V. page 28 9.17.022 Note: Special RS232 cable consists of a T-part with 1 male and 1 female sub-D 9 connector / 8DIN conne

BRONKHORST HIGH-TECH B.V. 9.17.022 page 29 4.6.1 Solenoid valves These are considered to be the direct operated control and pilot valves. They may

BRONKHORST HIGH-TECH B.V. Even though care has been taken in the preparation and publication of the contents of this manual, we do not assume lega

BRONKHORST HIGH-TECH B.V. page 30 9.17.022 5 Digital instrument See document number 9.17.023 for detailed description. This document is availabl

BRONKHORST HIGH-TECH B.V. 9.17.022 page 31 7.2 Troubleshooting summary general Symptom Possible cause Action No output signal No power supply 1a)

APPENDIX 1 GAS CONVERSION TABLE Doc. no.: 9.02.071

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GAS CONVERSION FACTOR Nr.: Name: Symbol Density ρng l[ / ] 0°C, 1 atm. Heat capacity* c cal cal g Kp− [ / . ]20°C, 1 atm. Conversion factor 20°C, 1

GAS CONVERSION FACTOR Nr.: Name: Symbol Density ρng l[ / ] 0°C, 1 atm. Heat capacity* c cal cal g Kp− [ / . ]20°C, 1atm. Conversion factor 20°C, 1a

APPENDIX 2 dimensions digital cases

analog / RS232FLOW-BUS / ModbusDeviceNetPROFIBUSEtherCATanalog / RS232FLOW-BUS / DeviceNet / ModbusPROFIBUSDimensions digital casesOne of these digita

BRONKHORST HIGH-TECH B.V. Short-Form Operation Instruction Before installing your Mass Flow or Pressure Meter/Controller it is important to read

BRONKHORST HIGH-TECH B.V. BUS/digital operation For this procedure: See description for specific fieldbus Send a setpoint to the instrument and

BRONKHORST HIGH-TECH B.V.

BRONKHORST HIGH-TECH B.V. TABLE OF CONTENTS 1 Introduction ...

BRONKHORST HIGH-TECH B.V. 4.3 Liquid flow sensor .......

BRONKHORST HIGH-TECH B.V. 9.17.022 page 9 1 Introduction 1.1 General description 1.1.1 Gas flow The Bronkhorst High-Tech B.V. series mass fl