Factory Customized Soil Humidity Sensor - ZM86 2R230L – Zhengmao Electronics


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Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Industrial Switch Spark Gap , Gas Discharge Tube Lightning Protector , Telecom Network Gas Discharge Tube , As a leading manufacture and exporter, we enjoy a good reputation in the international markets, especially in America and Europe, because of our top quality and reasonable prices.
Factory Customized Soil Humidity Sensor - ZM86 2R230L – Zhengmao Electronics Detail:

Technical data :

Switching Spark Gap ZM86 2R230L
Nominal DC spark-over voltage 230 V
Voltage range ±10%  V
Initial values
First ignition values ≤255 V
Following ignition values 195-245 V
Electrical life
After 200 thousand ignitions, first ignition value after 24 hours in darkness ≤275 V
Following ignition values 195-250 V
Switching operations
2000000 Ignitions
Test circuit parameters
Open circuit voltage V0 230 V
Loading resistance R 15
Discharge capacitance C 2.2 μF
Inductance L 10 μH
Discharge peak current ~ 300 A
Tolerance of VS at 100000 ignitions  35 V
General technical data
Insulation resistance at 100VDC ≥109 Ω
Capacitance at 1MHz <1.3 pF
Operation and storage temperature -40…+125  ℃
Switching frequency 20 Hz
Breakdown time ≤50 ns
Weight ~1.5 g

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Note: On this circuit diagram, first test samples 10 thousand times with 10 records, then try 90000 times with 10 records (tolerance between the lowest discharge voltage and the highest discharge voltage).

Product detail pictures:

Factory Customized Soil Humidity Sensor -
 ZM86 2R230L – Zhengmao Electronics detail pictures


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We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for Factory Customized Soil Humidity Sensor - ZM86 2R230L – Zhengmao Electronics, The product will supply to all over the world, such as: Nigeria , Germany , Mumbai , Our tenet is "integrity first, quality best". We have confidence in providing you with excellent service and ideal products. We sincerely hope we can establish win-win business cooperation with you in the future!
  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Martina from Malta - 2016.05.02 18:28
    We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Isabel from Netherlands - 2016.04.28 15:45
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