The Harris® OPM-15A and OPM-15B optical power meters are compact, lightweight, and easy-to-use testing instruments designed for fiber optic network testing, featuring unique rapid testing capabilities. These devices are popular for their high quality, exceptional value, reliability, precision, and safety.
The pocket-sized OPM-15 optical power meter allows for precise testing of single-mode and multi-mode fiber optic systems, equipped with a large LCD display, moisture-proof and shock-resistant design, and a dual power supply system. The built-in microprocessor and linear amplifier technology ensure long-term accuracy.

Features
• Pocket-sized design with an easy-to-read large LCD display, user-friendly operation
• Fast response time, no warm-up required
• Measures up to 6 wavelengths through a single connector
• Direct loss measurement in dB
• Direct absolute power measurement in dBm
• Interchangeable fiber optic adapters (optional FC, SC, or ST)
• Dual power supply system
• Moisture-proof, dust-proof, and shock-resistant design, making it ideal for field use.
• The automatic shutdown feature saves battery power.
• Certified by CE and FCC
The OPM-15 utilizes concise function keys to enable rapid high-precision testing, making it ideal for various laboratory and field applications. In laboratories, local area networks, wide area networks, and cable television systems, as well as long-distance optical networks, this optical power meter, when combined with Harris's stable laser source, can identify fiber types, measure optical attenuation, check fiber connectivity, and assess the transmission quality of fiber links.
Optical Power Meter Module
- Detector Type: InGaAs
- Measurement Range -70~+10 dBm (OPM-15A)
- -50~+27 dBm (OPM-15B)
- -60~+27 @ 850 nm (two models)
- Calibration wavelengths: 850, 1300, 1310, 1490, 1550 nm
- Function W/μW/dBm/dB(REF)
- Application Scope: Single-mode and Multi-mode Fiber Optics
- Connector Type: FC/PC
- Accuracy ±0.25 dB (5%) @ 77°F (25°C) and -10 dBm
- Resolution 0.01 dB
- Automatic shutdown 5 minutes after the last key press.
General Specifications
- Power supply: 9V alkaline battery (not included with the device)
- Battery life supports over 40 hours (using 9V alkaline batteries for regular operation).
- Operation)
- Operating temperature 32°~122°F (0°~50°C)
- Storage Temperature -4°~158°F (-20°~70°C)
- Relative humidity 0~95% (non-condensing)
- Weight 0.66 lbs (300 grams)
- Dimensions (H x W x D) 5.7 x 2.9 x 1 inches (145 x 75 x 25 mm)
- Standard accessory: Rubber sheath
- CE Certificate
- Calibration Certificate
- User Manual
Order Information
- OPM-15A Optical Power Meter, supports a measurement range of -70 to +10 dBm and -60 to +27 dBm (for 850 nm).
- OPM-15B Optical Power Meter, supports a measurement range of -50 to +27 dBm and -60 to +27 dBm (for 850 nm).
Selection of components
- AC-FJC-03-FC/FC 9 8-inch (×3 meters) branch cable
- AC-ADPT-10-US AC adapter with US plug
- AC-ADPT-10-EU AC adapter with European plug
- AC-ADPT-10-AU AC adapter with Australian plug
- AC-ADPT-10-UK AC adapter with UK plug
- AC-PB-10 Lightweight Soft Leather Tote Bag
- SC connector of the AC-CON-SC-P-300 power meter
- ST connector of the AC-CON-ST-P-300 power meter.