0-2181-5144-6 
0-2181-5148 
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| Temperature/Humidity/Barometirc Pressure Data Logger Model: TR-73U |
| คุณสมบัติ |
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- เครื่องวัดและบันทึกอุณหภูมิ ความชื้น และความกดอากาศ พร้อมสายเซ็นเซอร์ (3 channels) |
| การใช้งาน |
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| คุณลักษณะ |
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Specification
| Memory | 24,000 Readings (8,000 per Channel) |
| Sampling Rate | 1 Second to 60 Minutes (Selectable) |
| Internal Temperature Sensor | -10°C to 60°C |
| Internal Atmospheric Pressure Sensor | 750 to 1100 hPa |
| External Temperature Sensor | 0°C to 50°C |
| External Humidity Sensor | 10 to 95%RH |
| Optional Sensor Range | -40°C to 110°C |
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Temperature Measurement Accuracy (Standard Sensor) |
Average ±0.3°C (-20 to 80ºC), Average ±0.5ºC (-40 to -20ºC / 80 to 110ºC) |
| Humidity Measurement Accuracy (Standard Sensor) | ±5%RH (At 25°C 50%RH) |
| Atmospheric Pressure Measurement Accuracy | ±1.5 hPa |
| Temperature Measurement Resolution Display | 0.1°C |
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Humidity MeasurementResolution Display |
1% RH |
| Atmospheric Pressure Measurement Resolution Display | 0.1hPa |
| Temperature Sensor | Thermistor |
| Humidity Sensor | Macromolecular Humidity Sensor |
| Atmospheric Sensor | Atmospheric Pressure Sensor |
| 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, Ch3 only,alternating display), Recording Status,Battery Life Warning, Amount of Recorded Data, Unit of Measurement |
| Battery | AA Alkaline Battery (LR6) |
| Battery Life | About 10 Months (Depends on sampling rate, measuring environment and quality of the battery being used) |
| Data Back-up | Activated when Battery Power is Low or When Switch is Off (about 1 year) |
| Interface | USB Communication / Serial (RS-232C) Communication |
| Download Time | When downloading (1 unit of full data-about 8 seconds) |
| Dimensions | 55mm x 78mm x 18mm |
| Weight | 62g (with Battery) |
| Operating Environment | Temperature: -10°C to 60°C |
| Humidity: under 90%RH (without condensation) | |
| Attached Sensors | One (1) TR-3100 (Temperature and Humidity Sensor) |