The HPL220IR and Graigar LS122 are among the latest infrared power meters, offering wide spectral measurement, high accuracy, and modern connectivity features.

HPL220IR Infrared Power Meter

The HPL220IR is a wide spectral line infrared optical power meter designed to measure the power density of infrared radiation (radiant energy per unit area). Key features include:

• OLED display for clear readings
• Bluetooth connectivity for wireless data transfer and integration with test software
• Wide spectral range suitable for sunlight, infrared lamps, and remote control sources
• Applications: optics and laboratories, meteorology, agricultural production
• Advantages: easy to use, accurate, and reliable for both field and lab measurements

Graigar LS122 Handheld IR Power Meter

The LS122 is a handheld infrared power meter optimized for measuring infrared radiation luminance and transmittance. Its specifications include:

• Irradiance range: 0–40,000 W/m²
• Accuracy: ±10%
• Spectral range: 1000–1700 nm, peak at 1400 nm
• Detector diameter: 10 mm
• Dimensions: 125 × 69 × 24.5 mm; Weight: ~140 g
• Operating temperature: -20°C to +70°C
• Power supply: 4 AAA batteries
• Features: automatic IR transmission calculation, portable design for field measurements, and suitability for industrial and laboratory applications

Considerations for Choosing an Infrared Power Meter

When selecting a model, consider:

• Spectral range: Ensure it covers the infrared wavelengths relevant to your application
• Measurement range and accuracy: Match the expected power density and required precision
• Connectivity: Bluetooth or software integration can simplify data logging and analysis
• Portability: Handheld models like LS122 are ideal for field use, while benchtop models like HPL220IR offer more advanced features for lab environments
• Application-specific needs: Some meters are better suited for agricultural, meteorological, or optical research applications Both the HPL220IR and LS122 represent the latest in infrared power measurement technology, combining wide spectral coverage, reliable accuracy, and modern usability features for professional and industrial applications .