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Sound Light Alert Large LCD External Probe USB Temperature Humidity Data Logger
Features:●USB interface communicate with PC for setup and data download ●Each unit has single serial number ●User can set access password fo each data logger ●Start logging method: Immediately, Button, Start at ●Replaceable battery and data is not lost if exhausted ●Two point calibration for each channel ●Alarm limit settings for all channels ●User can customize new unit easily ●User can name each channel and enable/disable it ●External probe is waterproof and its length can be customized  |
This data logger can measure and store humidity/temperature readings automatically.
It has a large LCD that can display realtime readings and logging information.This unit can start a sound and light alarm if exceeds the user set limits. More professional applications can be provided by the unique PC software DGraph under Windows 7/8/10 (32/64 bits).
User can easily use the software to setup and download data to PC via USB. And user can view, analyse and print the data, or export other fi le formats(txt, xls, csv, bmp, jpg).
| Model | DWL-20 | DWL-20E | |
| Relative Humidity | Measurement Range | 0 to 100%RH | |
| Accuracy(Typ.) | ±3.5%RH | ±3%RH | |
| Resolution(Typ.) | 0.1%RH | ||
| Temperature | Measurement Range | -35 to 80°C(-31 to 176°F) | -40 to 125°C(-40 to 257°F) |
| Accuracy(Typ.) | ±0.5°C(±0.9°F) | ±0.3°C(±0.5°F) | |
| Resolution(Typ.) | 0.1°C(0.2°F) | ||
| Sensor Location | Internal | External | |
| LCD Display | √ | ||
| Memory Capacity | 64KBytes(Total 32,000 readings for all channels) | ||
| Sample Rate | User selectable from once every 2 seconds to once every 12 hours | ||
| PC Software | DGraph software and USB driver required (Included in CD) | ||
| Power Supply | User replaceable AAA 1.5V battery | ||
| Battery Life | Approx. 1 Year @ 1 Minute Sample Rate | ||
| Dimentions | 120mm*74mm*24mm | ||
| Weight | Approx. 130 grams | ||
| Model | Measurement Range | Accuracy (Typ.) | Waterproof | Sensor Location | Battery Life (Years, Typ.) |
| DWL-20 | -30~70°C(-22~158°F) 0 to 100%RH | ±0.5°C ±3.5%RH | IP30 | Internal | 1 |
| DWL-20E | -40~125°C(-40~257°F) 0 to 100%RH | ±0.3°C ±3%RH | IP30 | External | 1 |
| DWL-21E | -40~125°C(-40~257°F) 0 to 100%RH | ±0.3°C ±2%RH | IP30 | External | 1 |
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