Exhibit with us
*mydirectindustry  
English
  1. Catalogs
  2. Shanghai Yi Hua V&A Instrument Co., Ltd.
  3. V&A Indoor Air Quality Monitor-Wall embedded VAT840-CO2 Environmental Products?

V&A Indoor Air Quality Monitor-Wall embedded VAT840-CO2 Environmental Products?
1 /1Page

V&A Indoor Air Quality Monitor-Wall embedded VAT840-CO2 Environmental Products?

V&A Indoor Air Quality Monitor-Wall embedded VAT840-CO2 Environmental Products?
1 /1Page

Catalog excerpts

V&A Indoor Air Quality Monitor-Wall embedded VAT840-CO2 Environmental Products?-1

Indoor Air Quality Monitor-Wall embedded With the development of society, people are more concerned about their own survival environment.Monitoring of indoor air quality has become an indispensable part of life Used for monitoring indoor air quality, suitable for bedroom, office, conference rooms, theaters, public indoor places. Measure indoor carbon dioxide concentration, temperature, humidity, with digital output RS485 communication (MODBUS) Used in multi-monitor system in building automation Custom threshold setting Input power 24V AC/DC • Dual window NDIR Obtain LEED credits Meet ASHRAE 62.1 standard More information online at

 Open the catalog to page 1

All Shanghai Yi Hua V&A Instrument Co., Ltd. catalogs and technical brochures

  1. Electronic Environmental Monitor & controller
    Electronic Environmental Monitor & controller

    3  Pages

  2. V&A Battery Internal Resistance Tester /Socket tester /Socket Clamp meter adaptor VA203/VA6821 /va6822 Electronic measurement
    V&A Battery Internal Resistance Tester /Socket tester /Socket Clamp meter adaptor VA203/VA6821 /va6822 Electronic measurement

    1  Page

  3. V&A Laser Distance Meter VAH41 VAH61 VAH81 VAH101 Electronic measurement
    V&A Laser Distance Meter VAH41 VAH61 VAH81 VAH101 Electronic measurement

    1  Page

  4. V&A Small Clamp Meter VA33* serials Electronic measurement
    V&A Small Clamp Meter VA33* serials Electronic measurement

    1  Page

  5. V&A Automotive Digital Multimeter VA50 serials Electronic measurement
    V&A Automotive Digital Multimeter VA50 serials Electronic measurement

    1  Page

  6. Touch Digital multimeter
    Touch Digital multimeter

    1  Page

  7. Electric instrument and DC power supply
    Electric instrument and DC power supply

    1  Page

  8. V&A RTD Thermometer VA6511 Environmental Products
    V&A RTD Thermometer VA6511 Environmental Products

    1  Page

  9. V&A Inductive Moisture Meter/Concrete Wall Moisture Meter VA8045/VA8046 Environmental Products
    V&A Inductive Moisture Meter/Concrete Wall Moisture Meter VA8045/VA8046 Environmental Products

    1  Page

  10. V&A Formaldehyde CH2O tester Environmental Products
    V&A Formaldehyde CH2O tester Environmental Products

    1  Page

  11. V&A Cloud Instrument Serials /Temperature Humidity Energy VA220 serials environment control
    V&A Cloud Instrument Serials /Temperature Humidity Energy VA220 serials environment control

    1  Page

  12. VA220/VA221/VA225A/VA225B/VA225C
    VA220/VA221/VA225A/VA225B/VA225C

    1  Page

  13. V&A Touch Digital multimeter /WIFI network Electronic measurement
    V&A Touch Digital multimeter /WIFI network Electronic measurement

    1  Page

  14. Customized product
    Customized product

    1  Page

  15. V&A Accessory Electric Instrument
    V&A Accessory Electric Instrument

    3  Pages

  16. V&A DC Power Supply HY1802/HY1503/HY1802/HY1803/HY3010/HY3020 Electric Instrument
    V&A DC Power Supply HY1802/HY1503/HY1802/HY1803/HY3010/HY3020 Electric Instrument

    1  Page

  17. V&A DC Power Supply HY3003D-3 / HY3005D-3 Electric Instrument
    V&A DC Power Supply HY3003D-3 / HY3005D-3 Electric Instrument

    1  Page

  18. V&A DC Power Supply Electric Instrument
    V&A DC Power Supply Electric Instrument

    1  Page

  19. V&A DC Power Supply HY3002 /HY3003/HY3005/HY5002/HY5003 Electric Instrument
    V&A DC Power Supply HY3002 /HY3003/HY3005/HY5002/HY5003 Electric Instrument

    1  Page

  20. V&A Control DC Power Supply DP3003/DP3005 Electric Instrument
    V&A Control DC Power Supply DP3003/DP3005 Electric Instrument

    1  Page

  21. V&A Handheld Smart Digital Big-Battery Testers /Analogue Auto Battery Load Testers VA201/VA202 Electric Instrument
    V&A Handheld Smart Digital Big-Battery Testers /Analogue Auto Battery Load Testers VA201/VA202 Electric Instrument

    1  Page

  22. V&A Ultrasonic Distance Meter /Digital Multimeter Kit VA6450/VA833 Electric Instrument
    V&A Ultrasonic Distance Meter /Digital Multimeter Kit VA6450/VA833 Electric Instrument

    1  Page

  23. V&A Laser Distance Meter VAH40/VAH100 Electric Instrument
    V&A Laser Distance Meter VAH40/VAH100 Electric Instrument

    1  Page

  24. V&A Digital DC Clampmeter VA311/VA316/VA318 Electric Instrument
    V&A Digital DC Clampmeter VA311/VA316/VA318 Electric Instrument

    1  Page

  25. V&A Digital AC Clampmeter VA312/VA315/M266 Electric Instrument
    V&A Digital AC Clampmeter VA312/VA315/M266 Electric Instrument

    1  Page

  26. V&A Small Current AC & DC Clampmeter VA321A/VA321B/VA322/VA310 Electric Instrument
    V&A Small Current AC & DC Clampmeter VA321A/VA321B/VA322/VA310 Electric Instrument

    1  Page

  27. V&A Robust Professional Analogue Multimeter VA101A/VA101B Electric Instrument
    V&A Robust Professional Analogue Multimeter VA101A/VA101B Electric Instrument

    1  Page

  28. V&A Economic Digital Multimeter MS8221/MAS830/MAS838 Electric Instrument
    V&A Economic Digital Multimeter MS8221/MAS830/MAS838 Electric Instrument

    1  Page

  29. V&A Digital Multimeter MY60/MY64/MY67/MY68 Electric Instrument
    V&A Digital Multimeter MY60/MY64/MY67/MY68 Electric Instrument

    1  Page

  30. V&A Digital Multimeter VA20/VA20B/VA20C/VA21 Electric Instrument
    V&A Digital Multimeter VA20/VA20B/VA20C/VA21 Electric Instrument

    1  Page

  31. V&A Digital Multimeter MS8201H/MS8201/M300 Electric Instrument
    V&A Digital Multimeter MS8201H/MS8201/M300 Electric Instrument

    1  Page

  32. V&A TRMS Multimeter with USB VA18B/VA15/VA17 Electric Instrument
    V&A TRMS Multimeter with USB VA18B/VA15/VA17 Electric Instrument

    1  Page

  33. V&A 5 in 1 Environmental Multimeter /3 in 1 Network Multimeter VA19/VA16 Electric Instrument
    V&A 5 in 1 Environmental Multimeter /3 in 1 Network Multimeter VA19/VA16 Electric Instrument

    1  Page

  34. V&A Extra-safety Multi-Function Multimeter VA55 Electric Instrument
    V&A Extra-safety Multi-Function Multimeter VA55 Electric Instrument

    1  Page

  35. V&A 22000 Count Intelligent Multimeter VA30 Electric Instrument
    V&A 22000 Count Intelligent Multimeter VA30 Electric Instrument

    1  Page

  36. V&A High Accuracy Multimeter with USB VA38 Electric Instrument
    V&A High Accuracy Multimeter with USB VA38 Electric Instrument

    1  Page

  37. V&A Extra-safety Multimeter with TRMS VA41 / VA42 Electric Instrument
    V&A Extra-safety Multimeter with TRMS VA41 / VA42 Electric Instrument

    1  Page

  38. V&A New Multimeter with USB/Lan Telephone Test Multimeter VA40/VA40B/VA40R/VA43 Electric Instrument
    V&A New Multimeter with USB/Lan Telephone Test Multimeter VA40/VA40B/VA40R/VA43 Electric Instrument

    1  Page

  39. V&A Handheld Calibrator Multimeter VA48 Electric Instrument
    V&A Handheld Calibrator Multimeter VA48 Electric Instrument

    1  Page

  40. V&A Capacitance Meter /No Contact AC Voltage Detector VA501/VA502/VA6815 Electric Instrument
    V&A Capacitance Meter /No Contact AC Voltage Detector VA501/VA502/VA6815 Electric Instrument

    1  Page

  41. V&A Auto-Scan Pen R/C Meter VA503/VA505A/VA505B Electric Instrument
    V&A Auto-Scan Pen R/C Meter VA503/VA505A/VA505B Electric Instrument

    1  Page

  42. V&A LCR Meter VA511/VA512/VA513 Electric Instrument
    V&A LCR Meter VA511/VA512/VA513 Electric Instrument

    1  Page

  43. V&A Multi-Function LCR Meter with USB VA520/VA520B Electric Instrument
    V&A Multi-Function LCR Meter with USB VA520/VA520B Electric Instrument

    1  Page

  44. V&A 6 1/2 Bench Multimeter VA83 Electric Instrument
    V&A 6 1/2 Bench Multimeter VA83 Electric Instrument

    1  Page

  45. V&A 5 1/2 Bench Multimeter VA82 Electric Instrument
    V&A 5 1/2 Bench Multimeter VA82 Electric Instrument

    1  Page

  46. V&A Bench Multimeter VA801/VA802 Electric Instrument
    V&A Bench Multimeter VA801/VA802 Electric Instrument

    1  Page

  47. V&A Economic Bench Multimeter VA800A/VA800B Electric Instrument
    V&A Economic Bench Multimeter VA800A/VA800B Electric Instrument

    1  Page

  48. V&A Thermometer /Luxmeter MS6500/MS6501/MS6610 Environmental testing
    V&A Thermometer /Luxmeter MS6500/MS6501/MS6610 Environmental testing

    1  Page

  49. V&A Professional Infrared Thermometer VA6530/VA6532/VA6533 Environmental testing
    V&A Professional Infrared Thermometer VA6530/VA6532/VA6533 Environmental testing

    1  Page

  50. V&A TDS Meter/Salt Meter/ORP Meter VAT1013/VAT1014/VAT1015 Environmental testing
    V&A TDS Meter/Salt Meter/ORP Meter VAT1013/VAT1014/VAT1015 Environmental testing

    1  Page

  51. V&A PH Meter/Conductivity Meter VAT1010/VAT1011/VAT1012 Environmental testing
    V&A PH Meter/Conductivity Meter VAT1010/VAT1011/VAT1012 Environmental testing

    1  Page

  52. V&A Ultrasonic Thickness Guage/ Coating Thickness Guage VA8041/VA8042 Environmental testing
    V&A Ultrasonic Thickness Guage/ Coating Thickness Guage VA8041/VA8042 Environmental testing

    1  Page

  53. V&A Absolute Press Meter /Sound level Meter VA8070/VA8080 Environmental testing
    V&A Absolute Press Meter /Sound level Meter VA8070/VA8080 Environmental testing

    1  Page

  54. V&A Luxmeter/Infrared Temperature and Thermocouple Meter VA8050/VA8090 Environmental testing
    V&A Luxmeter/Infrared Temperature and Thermocouple Meter VA8050/VA8090 Environmental testing

    1  Page

  55. V&A Moisture Meter VA8040/VA8043 Environmental testing
    V&A Moisture Meter VA8040/VA8043 Environmental testing

    1  Page

  56. V&A Non-contact Digital Tachometer /Simple Microwave leakage Tester VA8030/VA8044 Environmental testing
    V&A Non-contact Digital Tachometer /Simple Microwave leakage Tester VA8030/VA8044 Environmental testing

    1  Page

  57. V&A Anemometer VA8020/VA8021/VA8022 Environmental testing
    V&A Anemometer VA8020/VA8021/VA8022 Environmental testing

    1  Page

  58. V&A Temperature Humidity Meter /Dual Ways Thermocouple MeterVA8010/VA8060 Environmental testing
    V&A Temperature Humidity Meter /Dual Ways Thermocouple MeterVA8010/VA8060 Environmental testing

    1  Page

  59. V&A CO2 Transmitter VAT620/VAT622/VAT630/VAT632 Environmental Products?
    V&A CO2 Transmitter VAT620/VAT622/VAT630/VAT632 Environmental Products?

    1  Page

  60. V&A Temperature and Humidity Transmitter VAT621-TH/VAT631-TH Environmental Products?
    V&A Temperature and Humidity Transmitter VAT621-TH/VAT631-TH Environmental Products?

    1  Page

  61. V&A CO2 Controller for Agricultural Application VAT921-CO2/VAT931-CO2 Environmental Products?
    V&A CO2 Controller for Agricultural Application VAT921-CO2/VAT931-CO2 Environmental Products?

    1  Page

  62. V&A Indoor Air Quality Monitor and Controller-Ductmount VAT930-CO2 Environmental Products?
    V&A Indoor Air Quality Monitor and Controller-Ductmount VAT930-CO2 Environmental Products?

    1  Page

  63. V&A Indoor Air Quality Monitor and Controller-Wallmount VAT920-CO2 Environmental Products?
    V&A Indoor Air Quality Monitor and Controller-Wallmount VAT920-CO2 Environmental Products?

    1  Page

  64. V&A New Home Thermostat VAT941-CO2 Environmental Products?
    V&A New Home Thermostat VAT941-CO2 Environmental Products?

    1  Page

  65. V&A Indoor Air Quality Monitor and Controller-Wall embedded VAT940-CO2 Environmental Products?
    V&A Indoor Air Quality Monitor and Controller-Wall embedded VAT940-CO2 Environmental Products?

    1  Page

  66. V&A Indoor Air Quality Monitor-Wallmount VAT820-CO2 Environmental Products?
    V&A Indoor Air Quality Monitor-Wallmount VAT820-CO2 Environmental Products?

    1  Page

  67. V&A Indoor Air Quality Monitor-Desktop VAT810-CO2 Environmental Products?
    V&A Indoor Air Quality Monitor-Desktop VAT810-CO2 Environmental Products?

    1  Page

  68. V&A Multi-function Double way Data Logger VA602 Electrical Equipment?
    V&A Multi-function Double way Data Logger VA602 Electrical Equipment?

    1  Page

  69. V&A Single Way Current and Voltage Data Logger VA601-A1 Electrical Equipment?
    V&A Single Way Current and Voltage Data Logger VA601-A1 Electrical Equipment?

    1  Page

  70. V&A Temperature and Humidity Data Logger VA600/VA601 Cold-chain
    V&A Temperature and Humidity Data Logger VA600/VA601 Cold-chain

    1  Page

  71. V&A Volt/mA Calibrator VA700 Measurement & Analysis Instruments
    V&A Volt/mA Calibrator VA700 Measurement & Analysis Instruments

    1  Page

  72. V&A Handheld Economic Process Calibrator VA701/VA702 Measurement & Analysis Instruments
    V&A Handheld Economic Process Calibrator VA701/VA702 Measurement & Analysis Instruments

    1  Page

  73. V&A Handheld Multi-function Calibrator VA740 Measurement & Analysis Instruments
    V&A Handheld Multi-function Calibrator VA740 Measurement & Analysis Instruments

    1  Page

  74. V&A Multi-function Desktop Calibrator VA730 Measurement & Analysis Instruments
    V&A Multi-function Desktop Calibrator VA730 Measurement & Analysis Instruments

    1  Page

  75. V&A Insulation Multimeter VA588 Electronic measurement
    V&A Insulation Multimeter VA588 Electronic measurement

    1  Page

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.