Good Safety: The instrument is equipped with 1M ground wire. Power Save Mode: 5 minutes without operation, instrument automatically shut down. Positive lons and negative lons display: When it measured positive ions, it will display positive number, when it measured negative lons , it will display minus sign "-" in front of digital. <10000 ions / cm, it display data and unit directly; 10000 ions /cm, data , rate and unit jointly Show. Measurement range: 1000 - 9999 × 104 ions / cm.
Size: 120mm (length) x 45mm (width) x20mm (height). Operating voltage: 2 x 3V. Battery: 2 X CR2032 button batteries (Not included).This instrument as a precise testing instruments, it will be affected by the weak electromagnetic fields, small drift value near to zero , it is not affect the normal test data. Do not put this instrument placed in moist spaces. When it is affected with damp, pls use 30 degrees hot air to dehumidification.
If the display is blurred or not displayed, you should change the batteries. 1 x Mini Air Ion Tester Meter. Unused/unopened merchandise will be fully credited.All emails will be answered within 24 hours. The item "New Mini Air Ion Tester Meter Counter Negative -ve & +ve Positive Ions Anion H" is in sale since Friday, January 08, 2016. This item is in the category "Business & Industrial\Electrical & Test Equipment\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors". The seller is "lucklife" and is located in ShenZhen,Guangdong. This item can be shipped worldwide.