Vogtlin Red-y compact Series Manuel utilisateur

Vögtlin Instruments AG

–

flow technology

Langenhagstrasse 1 | 4147 Aesch (Switzerland)

Phone +41 (0)61 756 63 00 | Fax +41 (0)61 756 63 01

www.voegtlin.com or www.vogtlinusa.com | info@voegtlin.com

Thermal Mass Flow Meters and Manual

Controllers for gases.

red-y compact series operating instructions (For serial number>300000)

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 02

Version: red-y compact series EN A1-7

For the latest information on our products, see our website at www.voegtlin.com or www.vogtlinusa.com

Operating instructions

red-y compact series (Serial Number >300000)

red-y compact meter GCM

red-y compact manual controller GCR

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 03

without the publisher's prior written permission.

The content of this manual is provided for information only and may be altered without prior notice.

Vögtlin Instruments AG assumes no responsibility or liability for any errors or inaccuracies in this

manual.

This symbol alerts the user to important operating, maintenance and service

information.

Important instructions

Do not remove the electronics housing. A damaged hologram seal will void the warranty.

There are no serviceable parts inside the unit.

Repairs must only be performed by qualified personnel

Attention

This unit has several power supply possibilities. If you use the external 24 Vdc power supply, it is

strongly recommended to have this device grounded.

Subject to change

Due to our policy of ongoing product development, we reserve the right to change the information

in this manual without notice.

Recycling

Note the existing regulations of your country.

Toxic, flammable gases and ATEX

In the case of toxic and flammable gases, the respective safety guidelines in each country must be

followed. This red-y device is NOT Ex certified. In the case of flammable and toxic gases, fittings,

cable glands and pipes intended for that purpose must be used. The responsibility for safe

operation lies with the user and designer of the facilities.

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 04

Oxygen service

Vögtlin Instruments AG is not liable for any damage or personal injury, whatsoever, resulting from

the use of our standard mass flow meters or controllers for oxygen gas. You are responsible for

determining if this mass flow meter or controller is appropriate for your oxygen application. You are

responsible for cleaning the mass flow meter or controller to the degree required for your oxygen

flow application.

Trademark

red-y is a Registered Trademark of Vögtlin Instruments AG. Other product and company names

listed in this manual are trademarks or trade names of their respective manufacturers.

Receipt of your instrument

When receiving the instrument, carefully check the outside packing carton for damage that may

have incurred during shipment. If the carton is damaged, notify the local carrier and submit a report

to the factory or distributor. Remove the packing slip and check that all ordered components are

present and match your specifications (as ordered). Make sure any spare parts or accessories are

not discarded with the packing material. Do not return any equipment to the factory without first

contacting one of Vögtlin Technical Support Centres:

E-mail Customer Service:

service@voegtlin.com

Installation

Please note before the start-up:

Do not use sealing tape or liquid sealant

Piping must be cleaned before installation of instrument.

Products in this manual may contain metal or elastomer seals, gaskets, o-rings or valve seats. It is

the “user’s” responsibility to select materials that are compatible with their process and process

conditions. Using materials that are not compatible with the process limitations of the device, may

result in equipment damage and/or personnel injury or death.

It is recommended that the user check the devices on a regular schedule to ensure that it is leak

free as both metal and elastomer seals, gaskets, o-rings and valve seats may change with age and

exposure to process gas.

Power

If it becomes necessary to remove the instrument from the system, power to the device must be

disconnected. Always switch off the power before you disconnect terminal connections in

potentially dangerous surroundings to avoid sparks.

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 05

Table of contents

Table of contents 5

1. Introduction 7

1.10 Features of red-y compact thermal mass flow meters 7

1.11 Scope of warranty 7

1.12 Instructions and warnings 8

1.13 Documentation and cables supplied 8

1.14 The measurement principle 8

1.15 Real, Standardized and Normalized flow 9

1.16 CMOS technology 10

1.17 Block diagram 11

2. General device specifications 12

2.10 Safety 13

2.11 Electrical data 13

2.12 Measurement ranges (air) 13

2.13 USB interface 14

2.14 Battery 14

2.15 External Power Module 14

2.16 Calibration 14

2.17 Operation with other gases 15

2.18 Pressure loss 15

2.19 Temperature compensation 15

2.20 Pressure compensation 15

2.21 Response time 15

2.22 Filter settings 16

3. Installation and commissioning 16

3.10 Scope of delivery 16

3.11 Mounting position and mounting location 16

3.12 Requirements for pipework 16

3.13 Fittings and filters 17

3.14 Filters / Gas cleanliness 18

3.15 Electrical power supply 18

3.16 How to replace the battery? 19

3.17 Warm-up time 19

4. Operation 20

4.10 Introduction 20

4.11 Main Menu 22

4.12 Settings 24

5. Maintenance 27

5.10 Cleaning to remove contamination 27

5.12 Returns 28

5.13 Firmware upgrade 28

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 06

6. Appendix 28

6.10 Troubleshooting 28

6.11 Pressure loss 30

6.12 Dimensional drawings in mm 32

6.13 Dimensional drawings in inches 33

6.14 Type code overview 34

6.15 Wetted parts red-y compact series 35

6.16 Contamination statement 36

6.17 Overview Default settings 37

6.18 CE Declaration of Conformity 38

6.19 Change history 39

7. Index 40

8. Overview menu red-y compact 41

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 07

1. Introduction

Thank you for choosing devices from the red-y compact series. These operating instructions will

help you to install and operate the measuring devices. Please read through these instructions

carefully before installing the devices. Our aim has been to write a full and practical guide. We

would be grateful if you would notify us of any shortcomings or mistakes.

Please contact your sales partner if you have questions about any aspect of the products.

The red-y compact is a thermal based mass flow meter that can measure the mass flow of gases.

The core element of the red-y thermal mass flow meter is a CMOS sensor chip. The sensor and

parts of the electronics are on one board and offer a number of advantages for the user.

1.10 Features of red-y compact thermal mass flow meters

In developing and manufacturing the devices, we have focused primarily on customers and their

applications. Our aim is to implement customers' requirements in the form of new developments or

enhancements on an ongoing basis. The essential features are:

Compact design

Battery operated optional (Portable)

Dot-matrix LCD touch screen

Multiple gases possible (3 gases)

Flexible due to the many different settings accessible throughtout the touch screen

Back-light screen in USB and 12-30 Vdc power mode

Power also possible with USB micro-B connector or external 12-30 Vdc (Separate module)

Fast and accurate measurement and control

Integrated temperature compensation and flow totalizer (standard)

Easy to maintain and service

Firmware upgradable through USB connection

3-year warranty

1.11 Scope of warranty

Warranty for the red-y compact product line extends to material and manufacturing defects only.

Maximum warranty covers product replacement free of charge. The following causes of

faults/damage are not covered under warranty:

Use outside the operating limits

Damage due to corrosion

Damage due to leaking batteries

Mechanical damage in general

Contamination due to improper sealing

Contamination due to impure gases or penetration of liquids

Damage to electronic components due by over-voltage or electrostatic discharges, and

corrosion damage due to aggressive environments.

Functional failure due to incorrect operation or faulty parameterization

If the unit has been opened or otherwise tempered with.

Drift in the calibration

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 08

1.12 Instructions and warnings

Read all of the operating instructions thoroughly before installing and commissioning equipment.

Misconceptions and incorrect use can lead to breakage of the measuring device or risk of personal

injury.

The installation, commissioning and operation and maintenance must be done by appropriately

qualified personnel.

1.13 Documentation and cables supplied

Each delivery includes a CD-ROM with the manual in PDF format.

However, we recommend to visit our website where you can see the latest version of the manual

and, if available, the latest firmware version for the red-y compact.

Every unit comes with a USB A to USB Micro-B cable. This cable can be used to power the unit

and to upgrade the firmware.

1.14 The measurement principle

The thermal mass flow measurement principle is particularly suitable for the measurement and

control of clean and dry gaseous media. The most significant advantage is that the measurement

process measures the real mass flow and is largely independent of temperature and pressure.

Stated simply, the thermal measurement principle measures the heat transport by gas flowing past.

In the case of red-y mass flow measuring instruments, a constant heat input gives a flow-

dependent temperature difference (∆T). Two temperature sensors are positioned in the measuring

channel (T1, T2), one before the heating system (H) and one after it.

Figure 1: The measurement principle Figure 2: Sensor signals

If there is no flow, the heat spreads symmetrically in directions T1 and T2. The temperature

difference T1-T2 is therefore zero.

Flow rates > 0 create a temperature difference.

The sensor T1 at the inlet is cooled by the gas flowing past it, and the temperature of the second

sensor T2 rises due to the heat drawn from the heating system.

The temperature difference is related non-lineary to the mass flow, with very high repeatability. The

electronics will, based on the calibration, convert this temperature difference in a linear and

proportional indication of the mass flow of the gas.

Manual Version Page

red-y compact EN A1-7 © Vögtlin Instruments AG 09

1.15 Real, Standardized and Normalized flow

The user-selectable engineering units of the red-y compact has been divided in two groups: “Real

and Normal” units and “Other units”

This separation is not only there to find the unit you want to select quicker, it also separated the

“Normalized flow” from the “Standardized flow”

The red-y compact has basically 2 reference conditions: One for “Real and Normal” units and one

for “Other units”

The factory setting is as follows:

1) For all units that are used in "normal" (like ln/min), the reference conditions are always 0°C

and 1013.25 mbara. This cannot be adapted.

2) For all the other units that are “standard” (like ls/min and sccm) and the l/min the reference

conditions has to be be defined when the unit is ordered.

The reference value for all units that are not “Normal” or “Real” it has to be defined with the

purchase order. It cannot be changed after the units has been delivered.

On the sticker of the red-y compact we will mention a reference condition. This reference condition

is for the “Standard” units only. The “normal” units will always be 0°C and 1013.25 mbara.

In future version of the firmware the reference conditions will be adjustable in the menu.

Manual Version Page

Gas flow in general can be expressed in one of the following:

Volumetric flow: (f.i. l/min). This theoretically cannot be measured by the red-y compact

because it is volume. The compact measures mass flow. However, due to regional

requirements we still have it as a flow unit that is selectable. Units shown as volume (l/min)

refer to the customer defined reference conditions (Same as “standard”)

Real Mass flow: (f.i. Kg/hr). This refers to true mass units per time unit. The red-y compact

can measure this and you can select this type of unit from the menu.

Normalized volumetric flow: Normalized means that the units are “translated” to predefined

pressure and temperature conditions. Normalized or Normal Conditions refers to 0°C and

1013.25 mbar absolute. You can select this type of unit from the menu of the red-y

compact. These units are mostly used in Europe and China.

Standardized volumetric flow: Standardized means that the units are “translated” to

predefined pressure and temperature conditions. Standardized or Standard conditions

refers to 20°C (68°F) and 1013.25 mbar (=760 mmHg) absolute. You can select these type

of units from the menu of the red-y compact. These units are mostly used in the USA

Standardized can also refer to other reference conditions (f.i. Natural Gas industry often

uses 15°C and 1013.25 mbar absolute. In the semicon world they often use 25°C and

1013.25 mbara. Please define and mention these reference condition at the time of your

order.

Please note that reference condition relating to Normalized or Standardized volumetric flow are

NOT the operating conditions. According to the ideal gas law, the gas volume will change by

0.35% per K.

1.16 CMOS technology

The red-y measuring and control devices are equipped with an innovative CMOS semiconductor

sensor that sets new standards for accuracy, speed and measurement dynamics.

With our CMOS technology the sensor element, amplifier and A/D converter form a single silicon

chip.

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