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Do you have negative and positive ion count data measured at actual locations?

Q.11 Do you have negative and positive ion count data measured at actual locations?
Here are some ion counts we actually measured. Please note that ion counts are just for your reference because they change every second.
Unit: (pcs/cc)
Location Negative ion Positive ion Temp. Humid.
Ion Trading office kitchen 220 180 28C 65%R.H.
Balcony of a 6th floor flat
(Tachikawa-city Tokyo)
200 300 27C 45%R.H.
Entrance of a press shop
(Tachikawa-city Tokyo)
150 500 26C 60%R.H.
Woods in a park
(Hino-city Tokyo)
300 450 24C 78%R.H.
Pond in a park
(Hino-city Tokyo)
650 600 26C 50%R.H.
River side
(Hino-city Tokyo)
300 400 25C 61%R.H.
Car exhaust
(Toyota Cresta)
1,200 3,000 23C 68%R.H.
Fountain
(Fuchu-city Tokyo)
8,000 2,000 31C 45%R.H.
* Measured by a flat type ion counter
** Counted only small ions whose mobility is 0.8(cm2/Vs) or above.
*** Measured Date: 15:30-18:00 15th Jun 2000 (Fountain: 16:00 11th Jul 2000)
 
Author: Masaharu Nemoto
(Universal Plan Co., Ltd.)
Highly Accurate Air Ion Counter inti-PRO NT-C101A
We proudly offer! Sales rank # 12
(9)
Highly Accurate Air Ion Counter inti-PRO NT-C101A (Highly Accurate Air Ion Counter)

Feedback from our customers!

· It is easy to operate, allows me to adjust the display speed and provides st  Mr. K.W Kyoto, Japan

· The figure helps to make sure that my product generates negative ions and to  Mr. T.I Mie, Japan

· This product provides reliable data as it conforms to the JIS standard. It i  Mr. K Aomori, Japan

· This model provides reliable data as it measures the actual ions while many   Mr. T.K Gunma, Japan

Many negative ions can be found in woods/waterfalls where humidity is high. Does this imply that many negative ions exist when raining?
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Specialised shop for negative ion products, Ion Trading Universal Plan Co., Ltd.
107 Tachikawa-Lumiere, 3-5-1, Ichiban-cho, Tachikawa-city,
Tokyo, 190-0033, Japan
Phone: +81-42-848-5311 Fax: +81-42-848-5148
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