Vaisala CARBOCAP GMT220 SERIES Скачать руководство пользователя | Manualshive

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GMT220 Series

CO

2

transmitter

U

SER

’

S

G

UIDE

U376EN-1.1

September 1999

All manuals and user guides at all-guides.com

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Содержание CARBOCAP GMT220 SERIES

Страница 1: ...GMT220 Series CO2 transmitter USER S GUIDE U376EN 1 1 September 1999 All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...la com Vaisala 1999 No part of this manual may be reproduced in any form or by any means electronic or mechanical including photocopying nor may its contents be communicated to a third party without p...

Страница 3: ...ION AND MAINTENANCE 6 Mounting 6 Electrical connections 7 Power supply requirements 8 Connection to a 24 VAC supply 8 Relays 9 Maintenance 10 Replacing the probe 10 Calibration checking 10 Self diagno...

Страница 4: ...death of personnel CAUTION Caution denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in damage to or destruc...

Страница 5: ...applications The CARBOCAP sensor is silicon based and its operation is based on the NDIR Single Beam Dual Wavelength principle Parts Different parts of the GMT220 transmitter are shown in Figure 1 and...

Страница 6: ...__________________ U376EN 1 1 Figure 2 Different parts of GMT220 Probe installed remotely 5HPRWH SUREH LQWHUFKDQJHDEOH 3UREH FDEOH P ODPSLQJ VOHHYH DEOH FODPS 3LQ FRQQHFWRU IRU D VHULDO 20 DGDSWHU 3UR...

Страница 7: ...The green operation LED is lit as the power is connected If the relays are used the lit red LED indicates excess of corresponding relay trigger point e g CO2 concentration is over predefined limit In...

Страница 8: ...re of the environment to be measured and is as clean as possible Air should circulate freely around the probe Please take into a consideration that because CO2 is slightly heavier than air it tends to...

Страница 9: ...ure 5 NOTE If there is clearly lower air pressure in the duct an additional sealing may be necessary This is to avoid possible CO2 concentration variation due to leaking through the attachment Electri...

Страница 10: ...peaks it is recommended to use a DC supply Connection to a 24 VAC supply The GMT220 series transmitters can also be connected to a 24 VAC supply without an external rectifier However when more than on...

Страница 11: ...ide terminals on the motherboard see Figure 6 When the relay trigger point is exceeded the relay switches on default This function can be inversed by disconnecting the corresponding relay jumper L1 or...

Страница 12: ...transmitter NOTE Disconnection of the probe causes an error and relay activation ON Calibration checking It is recommended to perform a calibration checking every second year A simple field calibratio...

Страница 13: ...ng error message The transmitter without a display indicates problems by blinking the LED lights Non critical instantaneous errors are shown with the green operation LED and fatal errors with red LEDs...

Страница 14: ...e points can be changed by using the COM adapter 19040GM a computer and a suitable terminal software There are two trigger points for both of the relays The higher limit activates the performance of t...

Страница 15: ...ies transmitters have pressure compensation in the software calculations The factory set value for current pressure is 1013 hPa For example in case of high altitude the pressure value can be changed b...

Страница 16: ...________________________________________ 14 _____________________________________________________________________ U376EN 1 1 CHAPTER 5 TECHNICAL DATA Dimensions in mm inches All manuals and user guide...

Страница 17: ...5____________________________________________________________ TECHNICAL DATA VAISALA _________________________________________________________________________ 15 All manuals and user guides at all gui...

Страница 18: ...0 5 FS Temperature dependence typically 0 1 FS C Pressure dependence typically 0 15 of reading hPa Long term stability 5 FS 2 years Response time 63 20 seconds GMT221 30 seconds GMT222 Operating condi...

Страница 19: ...comply with the following EMC standards and have passed the following tests EN 50081 1 EN 55022 Class B CISPR 22 EN 50082 1 IEC 1000 4 2 8 kV air IEC 1000 4 3 80 1000 MHz 80 AM 3 V m IEC 1000 4 4 500...

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