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June 12, 2012 

Page 1 out of 14

 

 

SMART Gas Detector

/Transmitter(4~20mA) 

with built-in LCD

 

 

 

DA-50 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C-910C, Bupyeong Woolim Lion’s Valley,   
#425, Cheongcheon-Dong, Bupyeong-Gu, Incheon, Korea 
TEL: +82-32-623-7507    FAX: +82-32-623-7510 
E-mail: 

[email protected]

 | Web: www.gasdna.com 

Summary of Contents for DA-50

Page 1: ...4 SMART Gas Detector Transmitter 4 20mA with built in LCD DA 50 C 910C Bupyeong Woolim Lion s Valley 425 Cheongcheon Dong Bupyeong Gu Incheon Korea TEL 82 32 623 7507 FAX 82 32 623 7510 E mail sales g...

Page 2: ...June 12 2012 Page 2 out of 14 Contents Introduction 3 Features 3 Specification 4 Operation keys 5 Sensor calibration 6 7 Sensor replacement 7 Wiring 8 Dimension 8 Installation 9 Programming 10 14...

Page 3: ...tion signal which realizes max 1000m long distance signal transmission Features Digital Process Digital process based on built in micro processor realizes various artificial intelligent functions whic...

Page 4: ...esponse time Within 20 seconds 90 full scale Accuracy 2 full scale Sensor calibration Calibration with switch Sensor parallax Zero 1 6 months Span 1 6 months User programmable Calibration density dete...

Page 5: ...in AL RESET menu 1 When the measured value is lower than AL1 value AL1 relay off 2 When the measured value is higher than AL1 value AL1 relay on MODE Enter into setting mode from measuring mode In set...

Page 6: ...When the measured value gets stable please touch ENT key Then if zero calibration is successful LCD shows OK Caution For zero calibration you should have clean status without any gases If you cannot...

Page 7: ...r easy disassembly Please follow below steps for sensor replacement Please make sure of power off to DA 50 Please open the cover of DA 50 Please unscrew the two bolts fixing the display board and disa...

Page 8: ...June 12 2012 Page 8 out of 14 Wiring Detector Indicator Dimension...

Page 9: ...Please avoid the high temperate or humid place High temperate or humidity can result in malfunction 3 Please avoid electronic noise area which has high frequency or high voltage such as motor pump or...

Page 10: ...MODE MODE MODE MODE MODE RESET RESET RESET Programming NH3 0 PPM HI SCALE 100 HI SCALE 3 9999 ENT SAVE ALARM 1 025 ALARM 1 0 9999 ENT SAVE ALARM 2 03 ALARM 2 0 9999 ENT SAVE AL TYPE H HH AL TYPE H HH...

Page 11: ...MODE MODE MODE ENT ENT RESET UP DOWN MODE RESET OFFSET 000 0 OFFSET 000 0 050 0 ENT SAVE ADRRESS 01 ADRESS 0 99 ENT SAVE BAUDRATE 9600bps BAUDRATE 1200bps 57600bps ENT SAVE 9 10 11 CAL ZERO ZERO GAS...

Page 12: ...you touch MODE key during 2 seconds you can enter into setting mode 2 HI SCALE Full scale 20mA ex If you set HI SCALE 100 4mA analogue output displays 0 12mA analogue output displays 50 CAL SPAN SPAN...

Page 13: ...ethods AUTO MANUAL 1 AUTO Without touching RESET key relay releases automatically when the measured value goes out of alarm range 2 MANUAL With touching RESET key relay can be released when the measur...

Page 14: ...get gas H2S Standard gas H2S 25 PPM Air Balance 1 In CAL SPAN please touch ENT key 2 Please input H2S standard gas density value using UP DOWN key And then please touch ENT key 3 Please infuse H2S sta...

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