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High Accuracy Indoor Thermo Hygrometer with Carbon Dioxide
Features:●View history maximum/minimum/average ●High/low alarm user configurable ●Realtime and history alarm status indications ●Calendar supported and user configurable ●Sound alarm supported ●Large LCD display with backlight ●Comfort level indications ●℃/℉/Dew point ●Battery status indication ●Long battery life  |
| Model | YEM-20 | YEM-40 | YEM-70 |
| Channel | 1 int. temp. (dew point supported) | 1 int. temp.(dew point supported) | 1 int. temp. (dew point supported) |
| 1 int. humi. | 1 int. humi. | 1 int. humi. | |
| 1 int. CO2 | 1 int. air pressure | ||
| Sensor | Digital | Digital | Digital |
| Digital | Digital | Digital | |
| Infrared | Digital | ||
| Measuring Unit | ℃, ℉ | ℃, ℉ | ℃, ℉ |
| %RH | %RH | %RH | |
| PPM | hPa | ||
| Measuring Range | -30~65℃ | -30~65℃ | -30~65℃ |
| 0~100%RH | 0~100%RH | 0~100%RH | |
| 0~10000PPM | 300~1100hPa | ||
| Measuring Accuracy | ±0.3℃(-10~65℃) ±0.5℃(others) ±3%RH(10~90%RH) ±4%(others) | ±0.3℃(-10~65℃) ±0.5℃(others) ±3%RH(10~90%RH) ±4%(others) ±3%±40PPM(400~2000PPM) only for reference(others) | ±0.3℃(-10~65℃) ±0.5℃(others) ±3%RH(10~90%RH) ±4%(others) ±1hPa |
| Measuring Resolution | 0.1℃ | 0.1℃ | 0.1℃ |
| 0.1%RH | 0.1%RH | 0.1%RH | |
| 1PPM | 0.18hPa | ||
| Response Time(T90) | 15 minutes | 15 minutes | 15 minutes |
| 15 minutes | 15 minutes | 15 minutes | |
| 3 minutes | 5 seconds | ||
| LCD Refresh Interval | 5s | 5s | 5s |
| Measuring Interval | 5s | 5s(temp. and humi.) 5s to 30m(co2) | 5s |
| Battery | 3pcs AAA battery | 3pcs AAA battery | 3pcs AAA battery |
| Battery Life | 1 year(25℃) | 45 days(25 ℃,15 minutes interval) | 1 year(25℃) |
| Power Supply | AC/DC Adapter (100~240V 50/60Hz, 5V/2A) | ||
| Operation Temperature | -30~65℃ | -30~65℃ (if <0℃ or >50℃, CO2 will stop) | -30~65℃ |
| Storage Temperature | -30~65℃ | -30~65℃ | -30~65℃ |
| Waterproof | IP20 | IP20 | IP20 |
| Interface | MicroUSB | MicroUSB | MicroUSB |
| Dimensions | 96mm*108mm*20mm | 96mm*108mm*20mm | 96mm*108mm*20mm |
| Weight | 116g | 121g | 117g |
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