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TR-73U
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Measurement Channel
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3 Channel
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Measurement Item
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Temperature
Humidity
Barometric Pressure
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Internal
Temperature Sensor
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-10 to 60°C
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Internal
Barometric Pressure Sensor
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750 to 1100 hPa
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External
Temperature Sensor
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0 to 50°C
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External
Humidity Sensor
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10 to 95%RH
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Option Sensor
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-40 to 110°C
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Temperature
Measurement Accuracy
(Standard Sensor)
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Average ±0.3°C(0 to 50°C)
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Humidity Measurement
Accuracy
(Standard Sensor)
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±5%RH
(At 25°C 50%RH)
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Barometric Pressure
Measurement
Accuracy
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±1.5hPa
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Temperature
Measurement
Resolution Display
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0.1°C
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Humidity Measurement
Resolution Display
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1%RH
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Barometric Pressure
Measurement
Resolution Display
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0.1hPa
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Temperature Sensor
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Thermistor
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Humidity Sensor
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Macromolecular Humidity Sensor
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Barometric
Sensor
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Barometric Pressure
Sensor
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Recording Interval
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1,2,5,10,15,20,30Seconds,1,2,5,10,15,20,30,60Minutes / Total
of 15 choices
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Recording Capacity
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8,000 Readings x 3 Channels
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Recording Method
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Endless (Overwrite from the
oldest data when recording capacity is full)
One time Method (Stop recording when recording capacity is
full)
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LCD Display
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Measurements (Ch1 only, Ch2
only, Ch3 only, alternating display), Recording Status,
Battery Life Warning, Amount of Recorded Data, Unit of
Measurement
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Battery
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AA Alkaline battery (LR6)
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Battery Life
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Data Back-up
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Activated when battery power is
low or when switch is off (about 1 year)
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Interface
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USB Communication Cable
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USB Communication
time
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When downloading (1 unit of full
data-about 8 seconds)
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Dimensions
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H55mm x W78mm x D18mm
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Weight
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About 62g (Including AA alkaline
battery)
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Working Environment
for Main Unit
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Temperature: -10 to 60°C
Humidity: under 90%RH (without condensation)
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Attached Sensors
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TR-3100 x 1
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*2: Battery life depends upon the measuring environment,
recording interval, and quality of the battery being used.
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