The TandD RTR-72 is a Intelligent two channel transmitter / data logger with local display.  Supplied with external temperature and humidity sensor for measurement between 0 to 50°C/10 to 95%RH

Wireless Data Communication Function

From the Base Unit connected to your computer you can easily collect temperature and humidity measurements and recorded data from the Remote Units via short wave radio waves. Communication can take place within up to 400 meters if unobstructed and clear.

Up to 126 units in 1 Group / Up to 32 Groups

Software Set RTR-70 allows you to create and manage up to 32 communication groups assigned to 1 Base Unit and in each group you can register and communicate with up to 126 Remote Units.

3-month Lithium Battery Life /Data Backup Function

A Remote Unit can run for about 3 months consecutively on 1 lithium battery. When battery power becomes low, a warning is displayed and data is automatically saved. For prolonged use we suggest using the optional AC adapter (AD-0604)

2 Measurement and Recording Channels

RTR-71 can measure and record temperature on 2 separate channels, RTR-72 has 1 channel for measuring and recording temperature and 1 channel for humidity. You can select a recording interval from 8 choices, ranging from minute to 1 hour.

Example of Communication Group Set-up

Office / Building / Factory / Store

Warning Monitoring Function for Temperature / Humidity

Our software allows you to set upper and lower limits for each channel (Temp / Temp or Temp / Humidity) and set the monitoring function to periodically check each channel. If a limit has been exceeded a warning will be displayed on your computer screen. Settings can be made differently for each Remote Unit. Perfect for use in tracking and documenting for HACCP.

Current Reading Monitoring

This function makes it easy and effortless to monitor from your computer current temperature and humidity data readings from any number of remote units at your choice of time interval.

1 Unit, 3 Roles

Any unit (RTR-71 / 72) can be made into a Remote, a Relay or a Base Unit by way of setting it up with the software Set TR-70.
Note: Units that have been set up as Base or Relay Units can not measure, display or record temperature or humidity

	RTR-71	RTR-72
Measurement Channels	2 Channels	1 Temp. / 1 Humidity Channel
Measurement Item	Temperature	Temperature / Humidity
Measurement	-60 to 155°C	0 to 50°C/10 to 95%RH
Measurement Accuracy	±0.3°C (-20 to 80°C) 0.5°C (-40 to -20/80 to 110°C) ±1.0°C (-60 to -40/110 to 160°C)	±0.3°C / ±5%RH (At 25°C 50%RH)
Measurement Display Resolution	0.1°C	0.1°C / 1%RH
Sensor	Thermistor	Thermistor / Polymer Sensor
Recording Interval	1,2,5,10,15,20,30,60 minutes / Total of 8 choices
Recording Capacity	1440 Readings x 2 Channel
Recording Method	Endless Method (Overwrite from the oldest data when recording capacity is full)
Display Items	Current Temperature/ Recording Settings / Battry Life Warning / Exceed Measurement Range Warning / Reading Capacity / Unit of Temperature Current Temperature Display ON/OFF (Set with Software )
Battery	Lithium (CR123A) x 1 or AC Adapter (AD0604)
Battery Life	Approximately 3 months (Battery life differs depending on measurement environment and battery performance.)
Data Back-up	Low Battery Power
Interface	Serial Communication (RS-232C Between Base Unit and computer)
Transmission Range	Approximately 400m (May vary with conditions)
Communication Speed	Download at 2400bps (100 Sec./ per unit when data is full / without Relay Unit)
Dimensions	H92mm x W66mm x D35mm (Excludes antenna)
Weight	Approximately 120g (including one lithium battery)
Unit Temperature Resistance	Temperature: 0 to 50°C Humidity: Less than 90%RH (Without dew condensation)
Standard Sensor	TR-5320 x 2 (Sensor with Stainless Protection)	TR-3220 x 1 Temperature and Humidity Sensor