RTR-57U - Wireless Data Collector

	RTR-57U
Compatible Models	RTR-51(L)/51A(L)/52(L)/52A(L)/52Pt(L)/53(L)/53A(L)/RVR-52A(L) TR-51A/52, TR-71U/72U/77Ui, VR-71
Storage Capacity	Up to 260,000 readings When downloading units at full logging capacity: 16 Units of RTR-51/51A/52/52A/52Pt/53/53A or RVR-52A When downloading units at non-full logging capacity, it can store and manage up to 250 downloading sessions
Functions	Downloading data (possible to display results of upper and lower limit check after downloading)/Display Saved Data Graphs / Display Highest and Lowest Temperature / Set Recording Start for Remote Data Loggers / Delete stored data (one reading / all readings) / Monitor Current Temperature / Search for Remote Units Wave Check (10-level display of radio wave strength for each channel (0-21ch.))
LCD Display	Operation Menu / Graph Display / Low Battery Life Warning / Calendar and Clock / Contrast Adjustment / Backlighting
Power	Two AAA Alkaline Batteries (LR03) Can use rechargeable AAA Ni-Cd or Ni-MH 1.2V batteries AC Adaptor(Optional) :AD-0604 or AD-0638(*1) (*1)Contact your local authorizes representative.
Battery Life	100 hrs under Continuous Operation Auto Power Off Function(Turns unit off after 3 minutes of non-use)
Data Backup	About 1 year with switch off Data erased if all battery power is lost
Wireless Specifications	ETSI EN 300-220 [ Frequency Range: 433.050 to 434.79MHz ], FCC Part15 Section249 / IC RSS-210 [ Frequency Range: 902 to 928MHz ]
Transmission Distance	Up to 100 meters wireless (May vary with conditions)
Communication Interface	for PC: USB (Fullspeed) / Serial (19200bps) for Data Logger: Serial (9600bps) / Optical (2400bps) / Wireless
Interface Communication Time	Data from RTR-57U to Computer: USB:One Full Logger's Data - 5 sec. RS-232C:One Full Logger' s Data - 25 sec. Data from RTR-51/51A/52/52A/52Pt/53/53A, RVR-52 to RTR-57U via wireless:One Full Data - 420sec. Data from TR-7 Series to RTR-57U via cable: One Full Data - 50sec. Data from TR-5 Series to RTR-57U via optical: One Full Data - 160sec.
Dimensions	H125mm x W 58mm x D24.0mm (excluding protruding part) Antenna Length: 20mm - 105mm (fully extended)
Weight	Approx. 125g (Including 2 AAA Alkaline batteries)
Operating Conditions	Temperature : 0 to 50°C Humidity : Less than 90%RH (Without dew condensation)