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Air Ion Counter “Hokuto” Model NKMH-103

Air Ion Counter Tester NKMH-103 (Bi-polar/ Ultra wide range)


Product Summary

§  This ion counter measures positive/negative ions simultaneously.

§  There are very few products which measure both ions simultaneously in this price range.

§  It has an ultra wide measurement range of 100-19,990,000 (pcs/cc).

§  It is good for R/D & Product Promotion.

§  This lightweight counter weighs approx. 770g, so it is easy to carry around and great for outdoor use.

§  It is easy to operate because no complicated setting is required before measurement.

§  It outputs DC analog voltage, which allows you to remotely monitor the ion count.



Detectable ion

Positive/Negative small air ions

Measurement method

Parallel flat plates method


1.0 (cm²/Vs)

Air flow rate

1000 (cm³/s)


W180 x H40 x D95 (mm) (projections not included)


Approx. 770g (battery included)

Internal power supply

1 x 006P 9V dry battery * (runs approx. 3 hours continuously)

* alkali recommended

External power supply

AC adaptor 100-240 VAC (50/60 Hz)


3.5 digit LCD

Measurement range

100 – 19,990,000 (pcs/cc)

10² range: 100 – 199,900 (pcs/cc)

10³ range: 1,000 – 1,999,000 (pcs/cc)

10 range: 10,000 – 19,990,000 (pcs/cc)

Minimum detectable

ion density

100 (pcs/cc)

DC analog output

+/-1999 mV (1 mV/1 digit)


temperature range

-10°C to 40°C (14°F to 104°F)


humidity range

70% R.H. or below (no condensation)


temperature range

-20°C to 70°C (-4°F to 158°F)


humidity range

70% R.H. or below (no condensation)


DC analog output


This product was added to our catalog on Friday 07 February, 2020.
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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