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Bronkhorst LIQUI-FLOW mini (till 01-07-2013) User Manual

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Table of contents


1

SCOPE OF THIS MANUAL............................................................................................................................... 5

1.1 Introduction..........................................................................................................................................................5
1.2

References to other applicable documents..........................................................................................................5

2 STARTING

UP ................................................................................................................................................ 6

2.1 Check

properties ..................................................................................................................................................6

2.2

Rated pressure test inspection.............................................................................................................................6

2.3 Check

piping .........................................................................................................................................................6

2.4 Install

system........................................................................................................................................................6

2.5

Leak check ............................................................................................................................................................7

2.6 Electrical

connection ............................................................................................................................................7

2.7

Analog / digital operation.....................................................................................................................................7

2.8 Multi-functional

switch operation........................................................................................................................8

2.9 Purging .................................................................................................................................................................8
2.10

Zeroing..................................................................................................................................................................9

2.11 Calibration ............................................................................................................................................................9
2.12 Supply

pressure ....................................................................................................................................................9

2.13 Product

description ..............................................................................................................................................10

2.14 Measuring

principle..............................................................................................................................................10

2.15 Model

key.............................................................................................................................................................11

3 BASIC

OPERATION ........................................................................................................................................ 12

3.1 General .................................................................................................................................................................12
3.2 Analog

operation..................................................................................................................................................12

3.3

Manual interface: micro-switch and LED’s ...........................................................................................................12

3.4

Basic RS232 FLOW-BUS operation........................................................................................................................12

3.5

Basic parameters and properties .........................................................................................................................13

3.5.1 Introduction..........................................................................................................................................................13
3.5.2 Basic

parameters ..................................................................................................................................................14

4 ADVANCED

OPERATION................................................................................................................................ 15

4.1

Reading and changing instrument parameters ....................................................................................................15

4.1.1 Introduction..........................................................................................................................................................15
4.1.2 Identification ........................................................................................................................................................15
4.1.3 Fluid

information..................................................................................................................................................16

4.1.4 Auto

zeroing .........................................................................................................................................................16

4.1.5

Changing default control mode............................................................................................................................17

4.1.6 Display

filter..........................................................................................................................................................17

4.1.7

Disabling micro switch..........................................................................................................................................18

4.2

Using mass flow meters on different fluids or under different conditions ..........................................................18

4.2.1

Stored calibration fluids .......................................................................................................................................18

4.2.2

Conversion factor calculation using Fluidat software ..........................................................................................18

5

TROUBLESHOOTING AND SERVICE ................................................................................................................ 19

5.1 General .................................................................................................................................................................19
5.2 LED

indication.......................................................................................................................................................19

5.3 Troubleshooting

summary general ......................................................................................................................19

5.4 Service ..................................................................................................................................................................20
6

REMOVAL AND RETURN INSTRUCTIONS ....................................................................................................... 21