YEM-40DL Digital CO2 Monitor Data Logger Temperature Humidity 22528 Groups Recording with USB Export
Description
The YEM-40DL CO2 data logger monitors environmental carbon dioxide concentration, temperature and humidity with low-power sensor for office, school, hospital and agricultural greenhouse long-term air quality tracking. This professional carbon dioxide monitor features 3.9-inch LCD with backlight, touch-sensitive buttons, 5-second fast sampling and red backlight over-limit alarm with adjustable threshold for real-time air quality alert. The logging CO2 meter supports 22,528 data points per channel, adjustable recording interval (5s~120min) and U-disk file export (txt/csv/xls/dlg) with PC software analysis for comprehensive environmental data management.
Specifications
| Measurement Parameters | Temperature (dry bulb, dew point), Humidity, Carbon Dioxide |
|---|---|
| Data Recording | Yes (built-in data logger) |
| Measurement Range | |
| Temperature | -30~+65℃ (built-in probe); -40~+125℃ (external probe) |
| Humidity | 0~100%RH (non-condensing) |
| CO2 | 400~10000PPM |
| Accuracy | |
| Temperature | ±0.5℃ (-10~+65℃); ±1.0℃ (other ranges) |
| Humidity | ±5%RH (10~90%RH, 25℃); ±6%RH (others) |
| CO2 | ±(3% reading + 40PPM) @ 400~2000PPM, 0~50℃ |
| Resolution | Temperature: 0.1℃; Humidity: 0.1%RH; CO2: 1PPM |
| Response Time (t90) | |
| Temp/Humidity | 15min (built-in); 5min (external) |
| CO2 | ≥3 minutes |
| Sampling Interval | 5 seconds (temp/humidity/CO2) |
| Recording Interval | 5 seconds ~ 120 minutes adjustable |
| Storage Capacity | 22,528 data points per channel |
| Display | 3.9-inch LCD with backlight, touch-sensitive buttons |
| Core Functions | |
| Max/min/average value display | |
| Red backlight over-limit alarm (adjustable threshold) | |
| Real-time and historical alarm status indication | |
| Overrun statistics (status, count, total duration) | |
| Clock setting | |
| Backlight duration setting | |
| Calibration function | |
| Battery protection | |
| Export File Formats | TXT, CSV, XLS, DLG (DLG for PC software analysis) |
| Data Transfer | USB flash disk mode |
| PC Software | Supported for professional data analysis |
| Units | Temperature: ℃/℉; Humidity: %RH; CO2: PPM |
| Power Supply | 3 × 1.5V AAA alkaline batteries (USB power recommended) |
| Power Interface | Micro USB, DC 5V/2A |
| Protection Class | IP20 |
| Operating Temperature | 0~+50℃ |
| Dimensions | 108 × 96 × 20mm |
| Housing Material | ABS |
| Weight | Approx. 124g (without batteries) |
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