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The model DLY-3G(232) Air Ion Counter  is designed for measuring the concentration of positive and negative ions per cubic centimeter in high humidity environment. It can work in forest, seashore, river, lake, etc; even in the rain. This instrument can be supplied by a build-in battery or by outer DC supply or AC line. When working  with AC line the build-in battery is charged automatically. Also, it may be charged by the car. It has the RS-232 connector for computer. So, it is really very convenient to bring out and measure in the field.

Specification

Ion concentration: Measure Range: 10~1.999 x109 ions/cm3 Resolution: 10ions/cm3                     (Accuracy: ±5%rdg) Mobility: 1.0, 0.4, 0.15 (cm2/V.sec)(Accuracy:±10%) Drawing air velocity: 180 cm/second Working environment Humility: R.H. ≤99% Power supply:   DC: batteries-12V/1.9Ah (1), 22.5V (4)    AC: 220V 50Hz or 115V 60Hz Warranty: one year Packing data: Dimensions: 413(L)mm x 202(W)mm x 224(H)mm Weight: 3.7kg Pcs/Carton:  1 G.W. : If you want manual,please contact us.