TandD RTR-501 Wireless Logger

  • Internal Sensor Wireless Temperature Logger
  • Battery Life: ~10 Months
  • Range: >-40

Starting at: $197 Request Volume Pricing

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FCC model / CE model
Number of Channels 1 Ch (Temperature) 1 Ch (Temperature) 2 Ch (1 Temperature and
1 Humidity channel)
Sensor Internal Temp. Sensor External Temp. Sensor (TR-5106) External Temp. and
Humidity Sensor
Unit of Measurement C, F C, F C, F, %
Thermal Time Constant 15 min.
L Type: 25 min.
Approx. 15 sec. (in air)
Approx. 2 sec.
(in agitated water)
Sensor Response Time - - About 7 min.
(90% response)
Measurement Range - 40 to 80 C - 60 to 155 C 0 to 55 C
10 to 95%RH
Measurement Accuracy Avg+/-0.5C Avg+/-0.3C
(-20 to 80C)
(-40 to -20C / 80 to 110C)
(-60 to -40C / 110 to 155C)
(at 25C and 50%RH)
Measurement Display Resolution 0.1C 0.1C 0.1C / 1%RH
Recording Intervals Select from 15 choices:
1,2,5,10,15,20,30 sec. / 1,2,5,10,15,20,30,60 min.
Logging Capacity 16,000 readings 8,000 data sets (One data set consists of readings for all channels in that type of unit.)
Recording Mode Endless : Upon reaching logging capacity, the oldest data is overwritten and recording continues.
One-time: Upon reaching logging capacity, recording will automatically stop.
* When using RTR-500GSM, RTR-500NW or RTR-500AW as a Base Unit, only "Endless" can be selected.
LCD Display Items Current Readings, Recording Settings,
Battery Life Warning, Over Measurement Range Warning,
Amount of Recorded Data, Unit of Measurement
Power Lithium Battery (LS14250 (SAFT)) x 1
for L type: Large Capacity Battery Adaptor Kit(RTR-500B1 / sold separately) (*1) /
External Power Adaptor Kit(RTR-500A1 / sold separately)
Battery Life (*2) About 10 months
L Type: About 4 years
Radio Standard Specifications FCC Part15 Section247 / IC RSS-210 (Frequency Range: 902 to 928MHz)
ETSI EN 300 220 (Frequency Range: 869.7 to 870MHz)
Wireless Transmission Range About 150 meters (500ft) if direct and unobstructed.
Communication Interfaces Short Range Radio Communication
Optical Communication
Communication Time When downloading one Remote Unit at full logging capacity:
Wireless communication : about 2 min.(*3)
Optical communication : about 160 sec.
Water Resistance immersion proof splash proof(*4)
Dimensions H62mm x W 47mm x D19mm(excluding protrusions)
L Type: with Large Capacity Battery Pack D 46.5mm
Antenna length 24mm
Weight About 56g (including 1 lithium battery)
L Type: about 109g (with Large Capacity Battery Pack)
Unit Temp. Resistance -30 to 80C (Unit temp resistance and measurement range is -40 to 80C but wireless communication cannot occur in an environment of less than -30C )
Others In order to download data via wireless communication, it is necessary to purchase Base Unit:
RTR-500, RTR-500GSM, RTR-500NW/500AW or RTR-500DC
(*1) When using RTR-500B1 it is necessary to purchase Lithium Battery (LS26500). For details, contact your local authorized distributor.
(*2) The stated battery life is for when it is used in an environment of 25C and recorded data is downloaded at a rate of once a day or "Monitoring Current Readings" occurs at a rate of once every 10 minutes. Battery life depends on measurement environment, recording interval and battery performance.
(*3)The same amount of time will be necessary for each added Repeater.
(*4) The stated water resistance rating is for when the sensor is connected to the unit. However, this does not include the sensor areas for the RTR-503/503L models. Not for continued immersion.


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