TR-71U/72U - Temp/Humidity Data Logger

	TR-71U	TR-72U
Measurement Item	Temperature Only	Temperature	Humidity
Measurement Channels	2 Ch (Select from Ch 1 internal / Ch 2 external)	1 Ch	1 Ch
Internal Temperature Sensor	-10 to 60°C	-10 to 60°C	-
External Sensor	-40 to 110°C	0 to 50°C	10 to 95%RH
Optional Sensors	-60 to 155°C (*1)	-40 to 110℃	-
Internal Sensor Thermal-Constant Time	12 min.	12 min.	-
Measurement Accuracy (Standard Sensor)	Average ±0.3°C(-20 to 80°C) Average ±0.5°C(-40 to-20/80 to 110°C)	Average ±0.3°C(0 to 50°C)	±5%RH (At 25°C 50%RH)
Measurement Resolution Display	0.1°C		1%RH
Sensor	Thermistor		Macromolecular Humidity Sensor
Recording Intervals	1,2,5,10,15,20,30 sec. / 1,2,5,10,15,20,30,60 min. / Total of 15 choices
Logging Capacity	8,000 data sets (One data set consists of readings for all channels in that type of unit.)
Recording Mode	Endless (Overwrite from the oldest data when logging capacity is full) One Time (Stop recording when logging capacity is full)
LCD Displayed Items	Measurements (Ch 1 only, Ch 2 only, alternating display) / Recording Status / Battery Life Warning / Amount of Recorded Data / Unit of Measurement
Battery	AA Alkaline Battery (LR6)
Battery Life	About 1 year (*2)
Interface	USB Communication Cable (option: RS-232C)
USB Communication Time	When downloading 1 unit at full logging capacity : About 8 sec.
Dimensions	H55mm x W78mm x D18mm
Weight	About 62g (Including AA alkaline batteries)
Operating Environment	Temperature: -10 to 60°C / Humidity: under 90%RH (without condensation)
Attached Sensors	TR-0106 x 2	TR-3100 x 1
Accessories	AA Alkaline Battery (LR6) x 1, USB Communication Cable (US-15C) x 1, User's Manual (Warranty) x 1, Software Set x 1

(*1): There are two types of temperature sensor for TR-71U depending on measurement range.
(*2): Battery life depends upon the measuring environment, recording interval, and quality of the battery being used.