Description

 Brand: Tuya/Eqv.

Model: 7IN1

Country of Origin: China

Features:

• Should be a cloud-based AQM system that records and displays real-time data for a wide range of parameters, such as particulate matter, pollutant gases, temperature, humidity, and barometric pressure
• With active internet connection, user should be able to monitor this data live from computer or phone
• The monitoring system should be available with four fundamental sensors: particulate matter, temperature, relative humidity (RH), and barometric pressure (BMP)
  Additionally, it should be supplied with minimum four gas sensors
• Configuration which should track indoor AQ by detecting PM2.5, PM10, and VOCs and identify harmful gases like Carbon Monoxide (CO), Carbon Di-oxide (CO2), Nitrogen Dioxide (NO2), and Volatile Organic Compounds (VOCs)
  It should be meticulously designed to withstand extreme conditions, operate reliably in temperatures as low as -20 °C and humidity levels up to 99%
• Should be suitable for both indoor and outdoor environments
  Integrated Heater for maintaining stable temperature, melting snow, ensuring precise measurements.
• Should operate on both WiFi and 4G LTE networks for remote monitoring
• For 4G LTE Network, SIM card should be supplied by the bidder
• Quick setup and intuitive cloud dashboard for easy monitoring
  Should be supplied with 32GB microSD card and cloud storage
  Internal data backup during cloud connectivity interruptions
  Should save data to the SD card, even in offline
• Cloud facility to be used for data access, system updates, and firmware tweaks
• Warnings should be displayed in cloud data for SD or cloud upload issues
• Quick Deployment: Ready to roll right out of the box; This robust system must be delivered as primed for setup in under 15 minutes
• Reliable Performance: Designed for resilience, should guarantee unwavering functionality in temperatures ranging from a chilly-20 to a scorching 50°C.

Technical Specifications:

• Particulate Matter Measurements:
  • Range: 0 to 1000 µg/m3
  • Mass concentration measurements of PM1, PM2.5, PM4 and PM10
  • Measurement resolution: 1 µg/m3
  • Sensor lifetime: 10 years or higher

• Mass concentration accuracy:
  • PM1 and PM2.5:
  • 5% (0 – 100 μg/m3)
  • 10% (100 – 1000 μg/m3)
  • PM4 and PM10: 25% (0 – 1000 μg/m3)
  • Startup time: < 60s
  • Response time: < 30s
  • Acoustic emissions level: 24 dBA at 0.2m
  • Long term acoustic emission level drift: +0.5 dB(A)/ year

• Operating range:
  • Temperature: -20 to 50°C
  • Relative humidity: 20 – 99% (non-condensing)
  • Barometric pressure: 300 – 1200 mbar
• Temperature, relative humidity, and barometric pressure measurements:

• Temperature:
  • Measurement range: -40 to 85°C
  • Accuracy: Typical ±0.1°C (0 to 60°C), max. ±0.3°C (-40 to 85°C)
  • Resolution: 0.01°C

• Relative humidity:
  • Measurement range: 0 to 99% (non-condensing)
  • Accuracy: Typical ±1%; max. 2% (0 to 90%) and ±3% (91 to 100%)
  • Resolution: 0.01%

• Barometric pressure:
  • Measurement range: 300 to 1200 mbar (30 to 120 kPa)
  • Accuracy: ±1 mbar (0 to 65°C)
  • Resolution: 0.01mbar
• Gas sensors should be included:
  • Volatile Organic Compound (VOC):
  • Sensor output: 0 – 500 VOC Index
  • Response time (τ63%): < 10s
  • Device-to-device variation: < ±15 VOC Index points
  • Repeatability: < ±5 VOC Index points
• Carbon Monoxide (CO):
  • Measurement range: 0 – 1000 ppm
  • Maximum overload: 1000 ppm
  • Accuracy: ≤ 2ppm
  • Response time: < 30s
  • Repeatability: < 1%
  • Lower detectable limit (LDL): ≤2ppm
  • Resolution: 0.1 ppm
  • Expected lifetime: >5 years in air
  • Cross sensitivity: Hydrogen (20 ppm in 100 ppm concentration)
  • Operating Temperature range: -40°C to 55°C
  • Operating Pressure range: 800 to 1200 hPA
  • Operating humidity range: 15 – 95%
• Carbon Di-oxide (CO2):
  • Range: 400 – 5000 ppm
  • Accuracy:
  • ± (50ppm + 2.5% of reading): 400 – 1000 ppm
  • ± (50ppm + 3% of reading): 1001 – 2000ppm
  • ± (40ppm + 5% of reading): 2001 – 5000ppm
  • Repeatability: ± 10ppm
  • Response time: 60s
  • Additional accuracy drift after five years: ± (5ppm + 0.5% of reading)
• Nitrogen Dioxide (NO2):
  • Measurement range: 0 – 50 ppm
  • Maximum overload: 100 ppm
  • Accuracy: ≤ 0.5 ppm
  • Response time: < 30s
  • Repeatability: < 1%
  • Resolution: 0.1 ppm
  • Expected life time: >3 years in air
  • Long-Term Drift: < 1%
  • Operating Temperature range: -40°C to 55°C
  • Operating Pressure range: 800 to 1200 hPA
  • Operating humidity range: 15 – 95%
  • Cross sensitivity:
  • Carbon Monoxide (3ppm in 50ppm concentration)
  • Ozone (0.1ppm in 0.25ppm concentration)
  • Sulfur Dioxide (-0.51ppm in 1ppm concentration)
• Power supply and Enclosure:
• Power supply: AC/DC adapter should be included
• Weatherproof enclosure: Protection from rain and sunlight exposure
• The enclosure should have Top cover, Status LED, Air inlet & outlet facility, Sensor probe connector, Power Jack connector etc.
• The status LED blinking should interpret below conditions –
  • 0 – Initialize device
  • 1 – Normal Operation
  • 2 – No internet connection
  • 3 – Sensor error
  • 4 – Internal backup storage is full
• Software:
• Connecting computer or phone:
• Activation of the device by powering it up. Once the LED begins flashing establishment of a connection with a computer or phone will have to be initiated. WiFi settings on computer or phone will have to be accessed and computer or phone will have to be connected using the password as mentioned in the operation manual
• Upon successful connection, the system configuration panel will automatically launch in a browser window. If the window does not appear automatically, user must Open a browser, enter 192.168.4.1 in the address bar and Press ?Go?
• Should click on the ?ConfigureWiFi? function and choosing of WiFi network from the available WiFi networks list
  Configuration:
• Configuration of various settings for the device, such as the device name, user ID or email, time zone, logging interval, and running average for PM data can be done by clicking on Setup
• Device name: The designated name to serve dual purpose: it should be employed in the cloud and also appear as the WiFi name when connecting a phone or desktop for configuration
• Time zone: Selection of the suitable time zone and this setting to be used to record time data within the microSD card
• Log Interval: This feature should allow users to choose their preferred logging interval, ranging from 15 seconds to 1 hour.
• Available logging intervals should be 15 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min and 1 hour
• Running Average for PM Data: This configuration should determine whether the device should use a running average.
• ON: The system should collect PM data every second. Upon logging the data, it should compute the average for the complete interval
• OFF: In this scenario, the system should refrain from averaging the data throughout the entire interval. Instead, it should calculate the average of the data from the last 5 seconds of the logging interval and record that specific value
• Sign in to Cloud:
• Navigation to Cloud Platform via address mentioned in the operation manual. Should come with the landing page that prompts end user for sign-in credentials.
• Dashboard Overview:
• After successfully signing in, end user must be directed to the dashboard of the Cloud Platform
• The dashboard homepage should display a list of connected devices
• Visible connected device should show details such as device name, model number, device ID, and subscription information
• Additionally, there should be an option to extend or purchase a subscription by clicking on the ?Buy Subscription? Button

Data Summary:

• Data Logger? tab in the top left corner should be available for the end user so that he/she can view the summary of data for a specific device from the list of connected devices on the cloud platform
• After selecting the desired device, a summary of data must be displayed on the screen which must show the minimum, maximum, and average values of the data stored in the cloud so far
• Continue scrolling should find the graphical representation of data

Live Monitoring:

• Live data monitoring should also be accessible directly from the dashboard by clicking on the available ?LiveData? tab
• Editing Device and Finding Information:

Accessories:

• Probes and sensors as per configuration, Power adapter, Mounting bracket, Zip ties, Double sided foam tape, Screws, Micro SD card, Royal plugs, Printed operation manual etc.

Warranty: 1 (One) year with services