ST1307 Standard Instruments Solar Power Meter In Pakistan

This solar meter provides fast and reliable readings with a measurement range up to 1999 W/m², making it ideal for evaluating solar panel efficiency, site surveys, and energy analysis. With its digital LCD display, data hold function, and compact portable design, it is suitable for engineers, technicians, and solar system installers across Pakistan.

Key Features

• Measures solar radiation up to 1999 W/m² or 634 BTU/(ft²·h)
• High accuracy with fast response time (~0.25 sec)
• Data hold function for recording readings
• MAX/MIN value recording
• Manual range selection
• Direct reading without calibration adjustment
• Large 3½ digit LCD display (1999 count)
• Low battery indication
• Compact, lightweight, and portable design

Technical Specifications

Solar Radiation Measurement

• Range: 0 – 1999 W/m²
• Alternative Unit: 0 – 634 BTU/(ft²·h)
• Resolution: 1 W/m²
• Accuracy: ±10 W/m² or ±5% (whichever is greater)

Performance

• Sampling Time: Approx. 0.25 seconds
• Fast response and stable readings

Display

• Digital LCD display
• 3½ digit
• Maximum reading: 1999

General Specifications

• Measurement Units: W/m² and BTU/(ft²·h)
• Data Hold: Yes
• MAX/MIN Function: Yes
• Low Battery Indicator: Yes
• Operating Temperature: 5°C to 40°C
• Humidity: ≤80% RH

Power Supply

• 3 × 1.5V AAA Batteries

Physical Characteristics

• Size: Approx. 162 × 63 × 28 mm
• Weight: Approx. 250 g
• Portable handheld design

Applications

• Solar panel efficiency testing
• Solar energy system installation and inspection
• Agricultural sunlight monitoring
• Weather and environmental studies
• Physics and optical laboratory research
• Building and window performance analysis in Pakistan

Package Includes

• ST1307 Solar Power Meter
• User manual
• Batteries (AAA)
• Carrying case (varies by supplier)