TR-57U - Data Collector

	TR-57U
Compatible Models	TR-51A, TR-52, TR-51, TR-51S, TR-52S, TR-71U, TR-72U
Recording Capacity	256,000 data readings 16 units of TR-71U at full data (16,000 readings x 16) Collect and manage data from up to 250 separate collections.
Functions	Downloading Data (possible to display results of upper and lower limit check after downloading)* Display Saved Data Graphs, Set Recording Start for Remote Data Loggers, Display Saved Data Highest and Lowest measurement values
LCD Display	Contrast Adjustment, Backlight Function
Power	Two AAA Alkaline Batteries (LR03), Can use rechargeable AAA Ni-Cd or Ni-MH 1.2V batteries
Battery Life	Used 30 minutes daily is about 160 days Used 1 hour daily is about 100 days Used 2 hours daily is about 50 days
Data Backup	For about 5 days from the time of battery removal (If a working battery has been in the unit for more than twenty-four hours) For about 1 year with batteries in use (If all battery power is lost the stored data will be lost)
PC Communication Interface	USB / RS-232C: 19200bps
Data Logger Communication Interface	RS-232C Communication (Speed : 9600bps) Optical Communication (Speed : 2400bps)
Interface Communication Time	Data from TR-57U to Computer : One Full Logger's Data:USB 5 sec./RS-232C 25 sec.
	Data from TR-7U Series to TR-57U via cable : One Full Logger's Data:50 sec
	Data from TR-7U Series to TR-57U via cable : One Full Logger's Data:50 sec
Dimensions	H125mmx W58mm x D23.8mm (excluding protruding part)
Weight	Approx. 115g (Including 2 AAA Alkaline batteries)
Operating Environment	Temperature : 0°C to 50°C Humidity : Less than 90%RH (Without dew condensation)

*These Upper and Lower Limit settings are for the TR-57U and will be used by it when downloading data to determine if a reading is within the acceptable range.
*Battery life varies depending upon the type of battery, the measuring environment, the frequency of communication, and the ambient temperature in which it is used.