Common Optical Power Meters

Popular optical power meters include handheld and benchtop models from brands like Keysight, Newport, ILX Lightwave, Jonard Tools, and Mini 4-in-1 portable meters, offering high accuracy, wide wavelength ranges, and versatile connectivity.

Handheld Optical Power Meters

Handheld meters are ideal for field technicians and network engineers due to their portability and ease of use. Notable models include:

• Mini 4-in-1 Portable Optical Power Meter with Visual Fault Locator: Covers 800–1700nm wavelengths and a power range of -70dBm to +6dBm, compatible with SC, FC, ST, and LC connectors. Lightweight and battery-operated, it is suitable for telecommunications and networking tasks, though it may require frequent battery replacement and additional connectors for LC cables .
• Jonard Tools FPM-50: Offers 800–1650nm wavelength coverage, internal memory for up to 1,000 data entries, and tone recognition at 270Hz, 1kHz, and 2kHz. It is highly reliable for professional installations and maintains calibration stability across temperature changes .
• Noyafa NF-908: Combines an optical power meter with a visual fault locator, making it suitable for home enthusiasts or occasional troubleshooting. It supports common residential fiber-to-the-home wavelengths and provides a cost-effective solution for basic fiber testing .

Benchtop Optical Power Meters

Benchtop meters are designed for laboratory or production environments, offering higher precision and multi-channel capabilities:

• Keysight N7747C and N7748C: Provide two and four sensor channels respectively, with InGaAs detectors for high sensitivity, low noise, and excellent linearity. These meters support SCPI control, automation software, and rapid sampling, making them ideal for dynamic testing and optical component development .
• Newport 1936-R/2936-R series: Feature femtowatt-level resolution and 250 kHz sampling rates. These benchtop meters are compatible with a wide range of calibrated optical sensors, ensuring accurate and repeatable measurements for challenging applications .

Manufacturers and Industry Leaders

Some of the top-ranked optical power meter manufacturers in 2026 include:

1. L-com
2. Novanta Photonics
3. Agiltron Inc. These companies produce a variety of meters, from low-cost handheld units to advanced benchtop systems, catering to both field and laboratory applications .

Key Features to Consider

When selecting an optical power meter, consider:

• Wavelength range: Ensure compatibility with the fiber or laser system being tested.
• Power range and sensitivity: Critical for detecting weak signals or high-power sources.
• Connector compatibility: SC, FC, ST, LC, or multi-adapter options.
• Portability vs. precision: Handheld meters are convenient for fieldwork, while benchtop meters offer higher accuracy and multi-channel capabilities.
• Data logging and automation: Useful for large-scale installations or production testing. These meters are essential for verifying fiber-optic performance, detecting faults, and ensuring accurate signal measurements in both professional and hobbyist settings.