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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OPUS
  • Model Number: PM100
  • detection method: capacitance
  • Type: Other Watering & Irrigation
  • Material: Plastic

Packaging & Delivery

Packaging Details gift box or blister.
Delivery Time 25 days upon order confirmed

PM100 digital soil moisture meter

Product Description



 1. The PM100 deploys capacitance domain technology so that soil moisture level can be measured accurately.

2. The measured soil moisture level is displayed by LED in 7 steps, showing current soil moisture level.

3. Ideal for home and office plant vane moisture monitoring use.



1. Patent pending measurement principle, low cost but with very high reliablity.

2. Battery operated, very low power consumption( one battery can last up to 8 months).

3. Shower proof construction design, works perfectly normal both indoor and outdoor.

4. LED flashes every 2.5s, possible to read the soil moisture data even in darkness. Moisture level sampled every 2 minutes.

5. Single MCU based solution, measuring the soil volumetric water content (VWC) reaing in the range between 0 to 25%.

6. Very low temperature effected, can be used in harsh enviornment condition.

7. Self adaptive learning capbality for different types of soil. No fertilizer and salt influence on reading.



 Item name Soil moisture meter
 Idle Current <3uA
 Sensing current

 400uA (sense once every 12 seconds)

 LED on current 1000uA (on 10ms every 3 seconds) 
 Estimated battery life >10 months with 230mAH CR2032 battery



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