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TR-7wb/nw Series - Specifications

TR-7wb/nw Series - Specifications

Product catalog summary
Measurement Channels: The TR-7wb/nw series includes models with different measurement capabilities: TR-71wb/71nw (Temperature 2ch), TR-72wb/72nw (Temperature 1ch, Humidity 1ch), TR-72wb-S/72nw-S (High-Precision Temperature 1ch, Humidity 1ch), and TR-75wb/75nw (Temperature 2ch with thermocouple support).
Sensors and Units: The devices use thermistors and polymer resistance sensors, with thermocouples available for the TR-75 models. Measurement units include °C, °F, and %RH.
Measurement Range and Accuracy: Internal sensors range from -10 to 60°C, while external sensors vary by model. Accuracy is generally ±0.3°C to ±0.5°C for temperature and ±2.5%RH for humidity.
Resolution and Responsiveness: Temperature resolution is 0.1°C, with humidity at 1%RH. Response times vary, with thermal time constants around 75 seconds.
Display and Logging: LCD displays measurements and warnings. Logging capacity is 8,000 data sets, with recording intervals from 1 second to 60 minutes.
Communication Interfaces: TR-7wb models support wireless LAN and Bluetooth, while TR-7nw models use wired LAN. USB communication is available for all models.
Power and Battery Life: Devices use AA batteries or external power. Battery life varies significantly based on usage, from 10 days to 1.5 years.
Dimensions and Environment: Devices measure 58mm x 78mm x 26mm and weigh approximately 55g. Operating environments range from -10 to 60°C with humidity below 90%RH.
Accessories and Software: Included accessories vary by model, with software compatibility for Windows and mobile devices. Display languages are primarily English.
Notes: Various footnotes provide additional details on sensor accuracy, power usage, and environmental considerations.
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Catalog excerpts

TR-7wb/nw Series - Specifications-1

*1: Compatible wire sizes are as follows. Single Wire : 0 0.32 to 0 0.65 mm (AWG 28 - 22), Twisted Wire : 0.08 to 0.32 mm2 (AWG 28 - 22), 0 0.12 or more in diameter, Stripping Length : 9 to 10 *2: When Auto Upload is used frequently, the measurement of the internal sensor may rise by around 0.3°C. When using external power, the data logger itself generates heat and the internal sensor will report a temperature much higher than ambient; we recommend using an external temperature sensor in this case. *3 When continually used in environments with temperatures above 60 °C, accuracy of humidity measurements will decrease over time. Also, humidity cannot be measured at temperatures below -20 °C. *4: If you wish to use the WPS feature, set the security type of the wireless LAN access point to “WPA2-PSK(AES)” or “None”. *5: HTTP client. Proxy supported. *6: When using external power, the internal temperature of the logger rises. *7: Battery life varies depending upon multiple factors including frequency of communication, LAN environment, ambient temperature, recording interval, 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. *8: For installation, it is necessary to have Administrator (Computer Administrator) rights. *9: We recommend using an operating system in the same language as the display language. Operation in different languages is not guaranteed. The specifications listed abo

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