The Wandel & Goltermann OLP-25 is a handheld optical power meter engineered for precise optical power measurements across fiber optic networks. Designed for field deployment, this compact instrument delivers accurate readings during installation, maintenance, and troubleshooting of single-mode and multimode fiber systems. The meter’s portable form factor enables technicians to verify link performance and signal integrity at the point of installation without sacrificing measurement precision.
Technical Specifications
Measurement Type: Optical Power Meter
Fiber Compatibility: Single-mode and multimode fibers
Connector Interface: Universal Push-Pull (UPP) interface for 2.5 mm ferrules; adapters available for standard fiber optic connector systems
Operating Temperature: -5 to +45 °C (based on comparable OLP series models)
Power Source: Dry cell batteries (AA/Mignon) or rechargeable NiCd/NiMH cells; external AC adapter support available on select configurations
Display: LCD readout for measurement values
– Key Features
• Handheld design optimized for field technicians and field service operations
• Compatible with both single-mode and multimode fiber infrastructures
• Standard connector interface with universal adapter support for common ferrule types
• Battery-powered operation with extended runtime capabilities
• Temperature-stable performance across typical deployment environments
– Typical Applications
• Fiber optic cable installation verification
• Network maintenance and in-service troubleshooting
• Link performance validation and power level confirmation
• Field acceptance testing of optical connections
– Compatibility & Integration
The OLP-25 accepts standard fiber optic connectors through its UPP interface. Optional adapters enable connectivity with legacy and emerging connector architectures. Integration with existing field service workflows requires no specialized interfaces or external controllers.

















