Vogtlin Red-y compact 2 Series Manual de usuario

Thermal Mass Flow Meters and

Manual Regulators for Gases

red-y compact series operating instructions (For serial

number>300000)

Vögtlin Instruments GmbH

Langenhagstrasse 1 | 4147 Aesch (Switzerland)

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

www.voegtlin.com | info@voegtlin.com

Operating instructions

red-y compact 2 series (Serial Number

>300000)

red-y compact meter GCM red-y compact regulator GCR

red-y compact meter with alarm module GCS red-y compact

regulator with alarm module GCA

This manual is updated for the latest ﬁrmware version of the red-y compact 2. Please verify

that your unit is updated with ﬁrmware version 3.0.6 available from our website (see chapter

5.12 Firmware upgrade).

Version: red-y compact 2 series EN A2-2

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

any means 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 GmbH 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.

Oxygen service

Vögtlin Instruments GmbH 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 GmbH. 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 or change a

battery, the power to the device must be disconnected. Always switch oﬀ the power

before you disconnect terminal connections in potentially dangerous surroundings to
avoid sparks.
Table of contents
Introduction 7
10. Features of red-y compact 2 thermal
mass ﬂow meters
7
11. Scope of warranty 7
12. Instructions and warnings 8
13. Documentation and cables supplied 8
14. The measurement principle 8
15. Real, Standardized and Normalized ﬂow 9
16. CMOS technology 10
17. Block diagram 11
General device speciﬁcations 12
10. Safety 13
11. Electrical data for meter GCM and
regulator GCR
13
12. Measurement ranges (air) 13
13. USB interface 14
14. Battery 14
15. Optional modules 15
16. Calibration 16
17. Operation with other gases 16
18. Pressure loss 17
19. Temperature compensation 17
20. Pressure compensation 17
21. Response time 17
22. Filter settings 17
Installation and commissioning 17
10. Scope of delivery 17
11. Mounting position and mounting location 18
12. Requirements for pipework 18
13. Fittings and ﬁlters 19
14. Filters / Gas cleanliness 19
15. Electrical power supply 19
16. How to replace the battery? 21
17. Warm-up time 22
Operation 22
10. Introduction 23
11. Main Menu 28
12. Settings 36
Maintenance 42

5.10. Cleaning to remove contamination 42
5.11. Returns 43
5.12. Firmware upgrade 44
6. Appendix 45
6.10. Troubleshooting 45
6.11. Pressure loss 47
6.12. Dimensional drawings ¼” in mm 49
6.13. Dimensional drawings ¼” in inches 50
6.14. Dimensional drawings ½” in mm 51
6.15. Dimensional drawings ½” in inches 52
6.16. Type code overview 53
6.17. Wetted parts red-y compact 2 series 54
6.18. Contamination statement 55
6.19. Overview Default settings 56
6.20. CE Declaration of Conformity 58
6.21. Change history 59
7. Index 60
8. Overview menu red-y compact 2 62
Space for notes and remarks by user: 65
1. Introduction
Thank you for choosing devices from the red-y compact series. These operating
instructions will help you to install and operate these gas ﬂow measuring devices.
Please read through these instructions carefully before installing the unit. 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 2 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 2 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 through the touch screen
 Back-light screen in USB and 8…30 Vdc power mode
 Power also possible with USB micro-B connector or external 8…30 Vdc (Separate
module)
 Optional alarm module with power, 3 contacts and 2 inputs
 Display can be rotated 180 degrees
 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

 EEPROM damage

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. Should one of these cases occur, the responsibility lies

solely with the operator of the device.The installation, commissioning and operation

and maintenance must be done by appropriately qualiﬁed personnel.

1.13. Documentation and cables supplied

A printed quickstart quide is shipped together with each device. However, we

recommend to visit our website to obtain the latest version of the manual and the

latest ﬁrmware version for the red-y compact 2.

Every device 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: Measurement principle

Figure 2: Sensor operation

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.

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”

□ mls

□ ls

□ m3s

□ sl

□ l

□ cc

□ scc

□ scf

□ mln

□ ln

□ m3n

□ g

□ kg

□ lb

□ mls/s

□ mls/min

□ mls/h

□ ls/s

□ ls/min

□ slpm

□ ls/h

□ slph

□ m3s/h

□ sccs

□ sccm

□ cc/s

□ cc/min

□ cc/h

□ l/s

□ l/min

□ l/h

□ scfm

□ scfh

□ mln/s

□ mln/min

□ mln/h

□ ln/s

□ ln/min

□ nlpm

□ ln/h

□ nlph

□ m3n/h

□ g/s

□ g/min

□ g/h

□ kg/min

□ kg/h

□ lb/min

□ lb/h

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”

> Flow

> Totalizer

> Real and

Norm

> Other units

> Real and

Norm

> Other units

If the unit name is “normal” than we select 0°C and 101325 pa as reference conditions.

If it is anything else the customer can set the reference conditions. (Factory default is 20°C). Real mass

units (f.i. kg) have no reference settings.

Figure 3: Units menu

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.

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/h). 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.

Please note that Vogtlin standard uses the following densities for their main 3 gasses:

Air: 1.293 gr/m3, N2: 1.2504 gr/m3, O2: 1.429 gr/m3 (All at 0°C and 1013.25 mbar

absolute). If you use other densities or need additional information for other gasses,

please contact the factory.

Densities need to be deﬁned before manufacturing and cannot be adjusted once the

unit has been delivered.

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.

1.17. Block diagram

The following GCM block diagram shows the structure of the device. The block diagram

does not show the optional manual control/needle valve (Model GCR) that would

normally be placed on the outlet of the unit.

Sensor

EEPROM

USB

Interface

Micro processor

Touch Display (dotmatrix 128x64 Px)

Power conditioning

By-pass

Turbulence ﬁlter

Figure 4: Block diagram

2. General device speciﬁcations

Media (real gas calibration): Air, O2*, N2*, He, Ar, CO2, H2, CH4, C3H8

(other gases and gas mixtures on request)

*O2 & N2 are calibrated with air.

Accuracy:

Eco: ±2.0% of full scale; Ranges > 200 ln/min ±3.0% of full

scale

Special: ±1.0% of full scale (only G¼” instruments and real gas

calibrations)

Dynamics:

Eco: 1:50 (Meter reads zero if ﬂow is less than 1.7% of full

scale)

Special: 1:100 (Meter reads zero if ﬂow is less than 0.83% of full

scale)

Response time: Maximum 300 msec (ﬁlter setting dependend)

Flow update by sensor 40 ms (Battery mode 500 ms)

Display update 240 ms (Battery mode 500 ms)

Repeatability: ±0.5% of full scale

Long-term stability: < 1% of reading / year

Temperature coeﬃcient: < 0.025% FS measuring range type per °C

< 0.012% FS measuring range type per 1°F

Pressure coeﬃcient: < 0.2% / bar of reading (typical N2)

< 0.014% / psi of reading (typical N2)

Working pressure range: 0.2 - 11 bara (3-160 psia)

Test pressure: 16 bara (232 psia)

Storage conditions: -20 to 80°C (-4 to 176°F), 0-95% RH, non-condensing

Temperature range: 0 – 50°C (32 bis 122°F), 0-95%, RH, non-condensing

Do not expose device to direct sun light.

Warm-up time: < 5 sec. for full accuracy

Materials

Electronics housing: ABS (Acrylnitril-Butadien-Styrol)

Body Material: Anodized aluminium or stainless steel 1.4404 (316L)

Sensor area: Silicon, glass, epoxy

Seal material: FKM, optional EPDM (FDA compatable)

Wetted parts: See appendix (see chapter 6.17 Wetted Parts List)

Integration

Display: Touch display 128x64 px

Backlighted only with external power supply (Micro-USB or 24 Vdc)

Process connection: G¼" (BSPP* female) up to 60

ln/min, G½" (BSPP* female) up

to 450 ln/min

*British Standard Pipe Parallel

Inlet section: None required

Mounting orientation: Any position (consult manufacturer above 5 bara (72

Psia) if the compact will be mounted vertical)

Connection cable: For external power supply: 2 m with loose ends (ﬂy

leads)

2.10. Safety

Test Pressure: 16 Bara (232 psia)

Leak rate to external: 1 x 10-6 mbar*l/s He

Protection class: IP-50

EMC EN 61326-1

2.11. Electrical data for meter GCM and regulator GCR

Supply voltage: Power supply red-y compact 2 meter & regulator

Standard AA battery or USB micro-B power supply

(DIN 62684)

Option: External power 8...30 Vdc, 120 mA. We

recommend a power supply with a minimum current

of 150 mA.

(Power supply hereafter refered to as the 24 Vdc power

supply)

2.12. Measurement ranges (air)

The red-y compact has 4 diﬀerent ﬂow elements available. Each element has a deﬁned

maximum operating ﬂow range that will be deﬁned during calibration. The ﬂow ranges

selectable below are the maximum ﬂow ranges for air/O2 and N2 only. For other

gasses consult the factory.

These ranges are adjustable electronically during factory conﬁguration to your desired

full scale range.

Type Measurement full scale (air), scale freely

selectable

compact meter GCx: GCx-A from 50 mln/min to 600

mln/min

GCx-B from 600

mln/min

to 6000

mln/min

GCx-C from 6 ln/min to 60 ln/min

GCx-D from 60 ln/min to 450 ln/min

2.13. USB interface

The unit has a female USB micro-B connection (DIN 62684) that can be used as an

external power supply and to upgrade the ﬁrmware. USB micro-B is the same

connector you ﬁnd on older Android and Windows portable phones, you can use the

charger of your telephone to power the red-y compact 2.

It is not possible to read data from the ﬂow meter through the USB

connection.

2.14. Battery

The battery operated compact 2 can operate on any common AA battery. The lifetime

is strongly dependent on the usage and the quality of the battery. In general we can

state that the battery lasts for about 3-6 months under non-continuous use. (see Note

1+2)

We recommend to use external power (USB micro-B or 24 Vdc) if you application needs

continuous measurement like measuring totalized ﬂow. To extend the lifetime of the

battery, the back-light is disabled during battery operation, you cannot activate it. We

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