The Tenmars TM-305U is a 2-channel temperature and humidity datalogger with an NTC sensor and a capacitive humidity sensor. It measures -40 to +85.0 °C and 1 to 99 %RH, stores 50,000 records and transfers data directly to a computer via USB cable. IP 54 waterproof.
The Tenmars TM-305U is a compact 2-channel datalogger that measures and records temperature and relative humidity. It uses an NTC temperature sensor and a capacitive humidity sensor, covering -40 to +85.0 °C (-40 to +185.0 °F) and 1 to 99 %RH, with readings in °C or °F.
The recorded data is transferred directly to a computer through a USB cable, so no docking station is required. The USB interface is used both for setting up the logger and for downloading the data, and the full memory of 50,000 records is downloaded in less than 10 seconds.
The housing is waterproof to IP 54, and a Hi-Low alarm can be set up to indicate readings outside the chosen limits.
| Manufacturer | Tenmars |
|---|---|
| Model | TM-305U |
| Product Type | Temperature/Humidity Datalogger |
| Humidity Sensor Type | Capacitive |
| Temperature Sensor Type | NTC |
| Channels | 2 |
| Temperature Range | -40 °C to +85.0 °C / -40 °F to +185.0 °F |
| Temperature Accuracy | ±0.6 °C (±1.2 °F) from -20 °C to 50 °C (-4 °F to 122 °F); ±1.0 °C (±1.8 °F) all other ranges |
| Humidity Range | 1 % to 99 % RH |
| Humidity Accuracy | ±3.0 %RH (20 % to 80 %RH); ±5.0 % (<20 %, >80 %RH) |
| Interface | USB |
| Datalogger Memory | 50,000 records |
| Download Speed | 50,000 records in less than 10 seconds |
| Alarm | Hi-Low set-up alarm |
| Protection Rating | Waterproof IP 54 |
| Dimensions | 83 × 60 × 24 mm (L × W × H) |
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