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Temperature/Humidity/Barometirc Pressure Data Logger Model: TR-73U

Property

- Temperature/Humidity/Barometric Pressure Recorder.
- Temperature Measurement Range : 0 to 50ºC.
- Humidity Measurement Range : 10 to 95%RH.
- Barometric Pressure Measurement Range : 750 to 1100 hPa.
- Logging Capacity 8,000 reading x 3 channels.
- The unit Operates via USB bus power so no need for more wire and plugs.

Usability

Attribute

Specification

Memory	24,000 Readings (8,000 per Channel)
Sampling Rate	1 Second to 60 Minutes (Selectable)
Internal Temperature Sensor	-10°C to 60°C
Internal Atmospheric Pressure Sensor	750 to 1100 hPa
External Temperature Sensor	0°C to 50°C
External Humidity Sensor	10 to 95%RH
Optional Sensor Range	-40°C to 110°C
Temperature Measurement Accuracy (Standard Sensor)	Average ±0.3°C (-20 to 80ºC), Average ±0.5ºC (-40 to -20ºC / 80 to 110ºC)
Humidity Measurement Accuracy (Standard Sensor)	±5%RH (At 25°C 50%RH)
Atmospheric Pressure Measurement Accuracy	±1.5 hPa
Temperature Measurement Resolution Display	0.1°C
Humidity MeasurementResolution Display	1% RH
Atmospheric Pressure Measurement Resolution Display	0.1hPa
Temperature Sensor	Thermistor
Humidity Sensor	Macromolecular Humidity Sensor
Atmospheric Sensor	Atmospheric Pressure Sensor
Recording Method	Endless (Overwrite from the oldest data when recording capacity is full)
Recording Method	One time Method (Stop recording when recording capacity is full)
LCD Display	Measurements (Ch1 only, Ch2 only, Ch3 only,alternating display), Recording Status,Battery Life Warning, Amount of Recorded Data, Unit of Measurement
Battery	AA Alkaline Battery (LR6)
Battery Life	About 10 Months (Depends on sampling rate, measuring environment and quality of the battery being used)
Data Back-up	Activated when Battery Power is Low or When Switch is Off (about 1 year)
Interface	USB Communication / Serial (RS-232C) Communication
Download Time	When downloading (1 unit of full data-about 8 seconds)
Dimensions	55mm x 78mm x 18mm
Weight	62g (with Battery)
Operating Environment	Temperature: -10°C to 60°C
Operating Environment	Humidity: under 90%RH (without condensation)
Attached Sensors	One (1) TR-3100 (Temperature and Humidity Sensor)