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| Brand Name: | ONETEST |
| Model Number: | ONETEST-520 |
| MOQ: | 1 pieces |
| Delivery Time: | 5-15 Working day |
| Payment Terms: | T/T |
Positive And Negative Ion Tester -ONETEST-520 Atmosphere + Temperature And Humidity
1.Product Introduction
This instrument's sensor features a coaxial cylindrical electrode design, offering advantages such as stable sampling airflow, uniform ion distribution measurement, and strong interference resistance; It can accurately measure both positive and negative ions of small particle sizes naturally occurring in the environment, as well as high-concentration negative ions generated by negative ion generators and their products. Optional temperature, humidity, and atmospheric pressure sensors are available, and the instrument displays air quality ratings and the Forest Air Ion Evaluation Model (FCL) to provide a more comprehensive assessment of air quality. This instrument is equipped with a high-capacity rechargeable battery and a DC 12V power adapter, enabling prolonged outdoor measurement and recording. It comes with dedicated PC analysis software for data export and analysis. Optional cloud platform and APP monitoring services from ion.onetestinc.com are available for real-time monitoring and data transmission. Before using this instrument, please read and fully understand this user manual before proceeding with operation.
2.Technical indicators
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Serial number
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Functional parameters
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ONETEST-520 |
ONETEST-520-A |
ONETEST-520-B |
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1 |
-ION ion/cm3 |
0-1999X103 Auto range |
0-1999X104 Auto range |
0-1999X105Auto range |
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2 |
+ION ion/cm3 |
0-1999X103 Auto range |
0-1999X104Auto range |
0-1999X105Auto range |
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3 |
Temperature℃ |
-40～80℃ |
-40～80℃ |
-40～80℃ |
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4 |
Humidity %RH |
0-100%RH |
0-100%RH |
0-100%RH |
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5 |
Atm |
300~1100hpa |
300~1100hpa |
300~1100hpa |
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6 |
XP Online measurement mode |
yes |
yes |
yes |
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7 |
Data logging
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Yes, can store 60,000 sets of data |
Yes, can store 60,000 sets of data |
Yes, can store 60,000 sets of data |
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8 |
Zero adjustment system |
Manual and automatic zeroing modes (XP mode) |
Manual and automatic zeroing modes (XP mode) |
Manual and automatic zeroing modes (XP mode) |
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9 |
Maximum value retention and clearing |
yes |
yes |
yes |
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10 |
mean measurement |
yes |
yes |
yes |
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11 |
average time |
Adjustable from 0 to 255 seconds |
Adjustable from 0 to 255 seconds |
Adjustable from 0 to 255 seconds |
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12 |
Freshness Rating ECO |
Levels 1-6 |
Levels 1-6 |
Levels 1-6 |
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13 |
Polarisation voltage |
15.75V customisable |
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14 |
Ion mobility |
0.4 cm²/V.sec Customisable |
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15 |
Ion evaluation model |
Greater than 0.5 indicates clean air, while less than 0.5 indicates polluted air. |
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16 |
ion stability time |
Preheat for about 10 minutes after turning on the power. If the temperature difference is too large, please extend the stabilization time and zero calibration accordingly. |
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17 |
display |
4.3-inch color touch screen |
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18 |
backlight |
Backlit, with adjustable brightness ratio |
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19 |
language |
Built-in Chinese and English languages |
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20 |
Weight |
2.210 kg (base + sampling tube) |
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21 |
power supply |
AC 220V @ DC 12V 1A and built-in 18650 battery pack (battery has 3C certification) |
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22 |
output |
RS232 output, with configurable serial port address, baud rate, and data interval time. |
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23 |
bracket |
Standard desktop mount, tripod mounting holes (optional tripod) |
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