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The RTR-500 Series dataloggers are equipped with built-in wireless communication capability. The RTR-501 is a compact and durable datalogger featuring waterproof and dust proof construction and an internal temperature sensor.
|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
|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.
|Measurement Range||- 40 to 80 C||- 60 to 155 C||0 to 55 C
10 to 95%RH
(-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
|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.