Measurement Channel:  1Temperature Channel
External Temp. Sensor:  -199.9 to 600°C
Measurement Display Resolution:  0.1°C
Measurement Accuracy:  ±0.3°C(-199.9 to 80°C) ±0.5°C(80 to 450°C) ±1.0°C(450 to 600°C) (at 0 to 50°C/Sensor accuracy is not included.)
Recording Interval:  1,2,5,10,15,20,30 seconds / 1,2,5,10,15,20,30,60 minutes Total of 15 choices (Excluding Event data)
Recording Capacity:  16,000 Readings x 1 Channel
Recording Mode:  Endless (Overwrite oldest data when capacity is full) / One-time (Stop recording when capacity is full)
LCD Display Items:  Current Readings / Recording Settings / Battery Life Warning / Over Measurement Range Warning / Amount of Recorded Data
Power:  Lithium Battery (LS14250(SAFT)) x 1 / L Series (Large Capacity Battery Pack) :Litium Battery (LS26500) x 1 / AC Adaptor (sold separately) 
Battery Life:  Approx. 6 months / L Series: Approx 2 years and 6 months
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 Range:  Approx. 100m (May vary with conditions)
Dimensions:  H62mm x W 47mm x D19mm(D46.5mm:L Series)(excluding protrusions / antenna length 20mm)
Interface:  Wireless Communication / Optical Communication
Communications Speed:  When downloading data (Wireless) about 2,000 readings per minute [Collection of a full unit of data= about 420 seconds (optical communication= about 160 seconds)]
Water Resistance:  IP64 (rated for use in daily life)
Standard Sensor / Input:  RTR-05P1 (length: Approx.1m)x 1
Unit Temp Resistance:  -30 to 80°C ( Unit temp resistance and measurement range is -40 to 80°C but wireless communication cannot occur in an environment of less than -30°C )
Other:  In order to download data via wireless communication, it is necessary to purchase either an RTR-57U, RTR-5W, and/or RTR-50 unit. -For optical communication, TR-50C can also be used for all types of units.

RTR-52PT (battery included)