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What is the difference between Atmotube PRO and PRO2?

Atmotube PRO 2 adds CO₂ and NOx sensors, built-in GPS, USB data access, larger memory, and improved data synchronization compared to Atmotube PRO

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Feature

PRO

PRO2

PM sensor (PM1, PM2.5, PM10)

TVOC sensor

Temperature, humidity, pressure

CO2 sensor

NOx sensor

Built-in GPS

USB data access

Sync history data with multiple devices

Turn off/on multiple times without history data loss

Memory size

256 KB

16 MB

Atmotube PRO 2 is designed for advanced users and researchers, offering greater data accuracy, location tracking, and direct USB access for data logging and integration with external systems.

Technical comparison

Feature

PRO

PRO2

Battery

Li-Po 2000 mAh
Working time: up to 10 days (15-minute PM mode)

Li-Po 2300 mAh
Working time: up to 12 days (15-minute PM mode, GPS off)

PM sensor

Range: 0 – 1000 µg/m³

Range increased to 0 - 65500 µg/m³
Supports number concentration readings

TVOC

Supports NOx index
Can be disabled in app settingsf

CO2 sensor

Built-in CO₂ sensor
Supports manual and automatic calibration

GPS

Phone connection required to store GPS data

Built-in GPS module

Built-in Clock (RTC)

No RTC
Device cannot be powered off more than twice in a row without phone synchronization — otherwise, data between power cycles may be lost.

Integrated RTC clock
Device can be turned off multiple times without history loss.

Data Synchronization with Multiple Devices

Supported

USB data transfer

Full API access via USB

Memory Size

256 KB
Stores up to 10 days of history data

16 MB
Stores up to 45 days of history (1-minute mode) or 3 days (1-second mode)

History Storage Modes

1-minute average (basic mode)

Adjustable 1-60 seconds intervals
Supports average / min / max / median calculations


Modes: basic, PM extended, GPS extended, PM+GPS extended

Additional Information in History

Includes battery percentage, motion flag, error codes, and extended GPS data (satellite SNR for indoor/outdoor detection)

Button Behavior

AQS mode
Turns PM sensor ON

Can be configured: Disabled or AQS / CO₂ / TVOC / NOx / PM
PM sensor ON by default (can be disabled)

External Sensors via USB

Supported

Usage without Phone

Possible with USB configuration

Bluetooth Bonding

Secure bonding supported

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