Environment
 
    Temperature and Humidity data logger

2-Channel Temperature and Humidity Logger with External Sensor

  • It Collects and stores humidity and temperature data measured

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Looking for Bluetooth data loggers that can record temperature and humidity?

The TR4A series enables data collection and management using dedicated mobile device applications. Data recorded by the logger is sent to the mobile device via Bluetooth Low Energy, which can then be transferred to our free cloud-based "T&D WebStorage Service" using WiFi or a cellular network.

The all-in-one sensor for TR43A has a temperature measurement range of 0-55°C and can measure humidity from 10 to 95%RH. The body itself has an IP64 rating* and can be used in environments of -40 to 80°C.

*Note that the temperature-humidity sensor is not water resistant.

Special Features

  • With the compact rugged design and Bluetooth capability, the TR43A is easy to deploy and operate, and suitable for tracking temperature and humidity in transport, in storage, in limited-access areas, as well as in residential and office buildings.
  • The free mobile apps let you access temperature/humidity data anytime from your smartphone or tablet over Bluetooth.
  • "T&D Thermo" facilitates logger configuration and data collection using a Bluetooth connection. The data retrieved by the mobile device can be viewed in a graph, saved, output as a PDF report, and uploaded to the cloud-based T&D WebStorage Service.
  • "TR4 Report" is a specialized mobile app for generating PDF reports for a specified time period. It allows you to create, print, and share data reports in simple steps.


ModelTR43A
Measurement ChannelsTemperature 1ch / Humidity 1ch
SensorThermistorPolymer Resistance
Measurement Units°C, °F%RH
Measurement Range0 to 55 °C10 to 95 %RH
Accuracy±0.5 °C±5 %RH at 25 °C, 50 %RH
Measurement Resolution0.1 °C1 %RH
ResponsivenessResponse Time (90%) : Approx. 11 min.
Logging Capacity8,000 data sets (One data set consists of readings for multiple channels.)
Recording IntervalSelect from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.
Recording ModeEndless (Overwrite oldest data when capacity is full) or One Time (Stop recording when capacity is full)
LCD Display Items Measurements (alternating display for multiple channel devices),Recording Status, Battery Life Warning, etc
Communication InterfacesBluetooth 4.2 (Bluetooth low energy)
Communication TimeData Download Time (full logger) : Approx. 15 seconds
PowerLithium Battery LS14250 x 1
Battery Life (*2)Approx. 1.5 years (*3)
DimensionsH 62 mm x W 47 mm x D 19 mm (excluding protrusions and sensor)
WeightApprox. 45 g
Operating EnvironmentTemperature: -40 to 80 °C (-30 to 80 °C during wireless communication)
Waterproof CapacityIP64: Splash proof (rated for use in daily life) (*4)


*2: Battery life varies depending upon multiple factors including ambient temperature, recording interval, usage of applications, and battery performance. All estimates are based on operations carried out with a new battery and are in no way a guarantee of actual battery life.

*3: Estimated battery life when recording data at an interval of more than 10 seconds and displaying a graph in the app once a day.

*4: This is the waterproof capacity of the data logger with the sensor connected. Note that the temperature-humidity sensor is not water resistant. The specifications listed above are subject to change without notice.