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TM-207 Digital Solar Power Meter:
The TM-207 Solar Power Meter is a special device designed to measure the amount of solar radiation emitted by the sun. This handheld instrument is crucial for optimizing solar energy systems, performing general measurements in meteorology, and conducting research.
Overview and Functionality:
The TM-207 is a dedicated tool for measuring solar power or transmission. It is engineered to capture solar radiation, which originates from a nuclear fusion reaction creating electromagnetic energy. The instrument is described as offering super low price combined with high precision.
The device ensures data clarity and ease of use, eliminating the need for complex adjustments. Its spectrum reaction spans 400 to 1100 nm.
Key Features:
• Display: The meter features a clear 3½ digits LCD display with a maximum reading capacity of 2000.
• Measurement Units: Users can select between two measurement units: W/m² (Watts per square meter) or BTU / (ft²*h).
• External Sensor: The design includes an external sensor, allowing for flexible positioning during measurements. The sensor wire length is approximately 1.5 meters.
• Data Management: Key data functions include Data Hold, Maximum (MAX), and Minimum (MIN) modes.
• Overload Indication: If the input exceeds the range, the display shows "OL".
• Compliance: The instrument is EMC-compliant and has passed compatibility tests according to EN61326 standards.
Primary Applications:
The TM-207 is utilized in diverse fields requiring accurate light and solar energy assessments:
• Solar Power Systems: Measurement of solar radiation for solar power research. It is helpful for setting up Solar PV Panels at optimum angles of incidence.
• Materials Testing: Transmission measurement, which is highly suitable for assessing the effectiveness of solar film or the sun’s transmission through transparent and film glass.
• Windows: Identifying high performance windows.
• Automotive: Light intensity measurement for car windows.
• Research & Environment: Used in physics and optical laboratories and for meteorology or agriculture applications.
Technical Specifications:
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Specification
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Details
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Model
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TM-207
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Brand
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Tenmars
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Display
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3½ digits LCD, maximum reading 2000 counts
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Range
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2000 W/m² (Watts per square meter)
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634 BTU / (ft²*h)
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Resolution
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0.1 W/m² or 0.1 BTU / (ft²*h)
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Spectral Reaction
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400 ~ 1100 nm
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Accuracy (Sunlight)
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Typically within ± 10W/m² [±3 BTU / (ft²*h)] or ±5%, whichever is greater
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Temperature Error
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±0.38 W/m² / °C [±0.12 BTU / (ft²*h) / °C] deviation from 25°C
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Angular Accuracy
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Cosine corrected
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Drift
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< ±2% per year
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Sampling Rate
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0.25 second
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Over-input Indication
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Display shows "OL"
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Power Supply
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9V battery x1
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Operating Conditions
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0°C ~ 50°C, Humidity below 80% RH
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Dimensions (Approx.)
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130mm (L) x 55mm (W) x 39mm (D) (Note: Other dimensions cited include 132x60x38mm or 143x74x34mm)
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Weight (Approx.)
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150 grams
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Sensor Wire Length (Approx.)
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1.5M
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Product overview
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