(Version: Standard Version)




New pocketCW, the best portable solution to detect clouds, measure temperature, brightness, relative humidity, and dew point.

And now also PC version:

  • All the features of the pocketCW, plus PC connection via a micro USB cable.
  • The PC can run all our AAG CloudWatcher software for displaying and automation - including ASCOM safety monitor and weather conditions drivers.
  • Any number of phones can be connected while the pocketCW is also sending data to the PC.


All the information in your smartphone...





Take the new pocket CloudWatcher with you to your favorite dark place, and sleep relaxed while it monitors the sky and ambient conditions, waking up in case of trouble!


Main Features:

  • Configurable Alarms (1) for any of the readings, plus battery level and data age (watchdog function)
  • Can run from the internal rechargeable LIPO battery (*), or from any standard jack (5.5-2.1mm, center positive) and ubiquitous 12V power supply
  • PC Version available
  • Data shared via Bluetooth (TM) Low Energy - any device in the surroundings can read it! (**)
  • All data displayed, alarms fired at your Android or iPhone smartphone (Bluetooth LE required)
  • Brightness sensor optimized for natural light (artificial light, especially fluorescent, result in wrong readings)
  • PC version coming very soon

✘Not to be permanently installed outside.
✘Not rain resistant.


(*) Not included, don't forget to order it!

(**) In smartphones with Bluetooth 4.0 or Bluetooth Low Energy

(1) New APP version! (2019/April) - 2.1 (available to everybody, including existing users - just an app update). 
✓ Much more powerful alarms: for safe, unsafe, with snooze, ignore period... 
✓ Configurable screen saver.




Technical specifications:

  • Portable detector including:
    • IR sensor - clouds
    • Relative humidity sensor
    • Ambient temperature sensor
    • Brightness sensor
  • Watchdog function
  • PC version available via a micro USB cable.
  • Power:
    • Rechargeable LIPO battery (*)  3.7V 450mAh (more than 24h of operation at above zero temperatures)
    • External 12V power supply with standard jack (5.5-2.1mm, center positive)
  • Data shared via Bluetooth (TM) Low Energy  (available for Android 4.3 (**) and iPhone 6, or better)
  • Measures: 71x71x27mm.
  • Weight: <85gr.

(*) Battery not included, don't forget to order it!

(**) In smartphones with Bluetooth 4.0 or Bluetooth Low Energy




Find here the manual user of the pocketCW.

Here, the article published in the Astronomy magazine (nº 238 - April 2019), section "Testing Bench", about the pocket CloudWatcher (Spanish version).

Shipping time: 3 days


Selection: PocketCloudWatcher

Product no. Version Price
ACWPCK Standard Version $270.00
ACWPCK-PC PC Version $295.00

Additional product information

Version Standard Version


Product Note Status Price
PocketCloudWatcher rechargeable battery PocketCloudWatcher rechargeable battery
Must have for the PocketCW! Don't forget to order it.
Display accessory details

Browse these categories as well: Cloud Detector - CloudWatcher, New!, Complements, AAG CloudWatcher cloud detector

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