Internal Sensor Temperature Range

-10 to 60°C

External Sensor Temperature Range

0 to 50°C

External Sensor Humidity Range

10 to 95%RH

Temperature Accuracy

Average ±0.3°C(-20 to 80°C)

(Standard Sensor)

Average ±0.5°C(-40 to-20/80 to 110°C)

Humidity Accuracy

±5%RH (At 25°C 50%RH)

(Standard Sensor)

Temperature Resolution Display

0.1°C

Humidity Resolution Display

1%RH

Sensors

Thermistor and macromolecular humidity sensor

Recording Interval

1,2,5,10,15,20,30Seconds,1,2,5,10,15,20,30,60Minutes / Total of 15 choices

Recording Capacity

8,000 Readings x 2 Channels

Recording Method

Endless (Overwrite from the oldest data when recording capacity is full)

One time Method (Stop recording when recording capacity is full)

LCD Display

Measurements (Ch1 only, Ch2 only, alternating display), Recording Status,

Battery Life Warning, Amount of Recorded Data, Unit of Measurement

Battery

AA Alkaline battery (LR6)

Battery Life

About 1year ( Battery life depends upon the measuring environment, recording interval, and quality of the battery being used)

Data Back-up

Activated when battery power is low or when switch is off (about 1 year)

Communication Interface

USB Communication / Serial (RS-232C) Communication /      Infrared Communication

Infrared Communication

hPHY 1.2 low power

Communication time

When downloading a Unit at Full storage capacity ;              USB Communication : about 8 sec./ Infrared Communication about 55 sec. (TR-57DCi)

Dimensions

H55mm x W78mm x D18mm

Weight

About 62g (Including AA alkaline batteries)

Warking Environment for Main Unit

Temperature: -10 to 60°C

Humidity: under 90%RH (without condensation