sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The Jonard Tools FPM-55 Fiber Optic Power Meter is a high-precision instrument engineered for measuring absolute optical power and relative power loss in fiber optic network installations. Designed for both field and lab use, this device supports a wide range of wavelengths and provides the accuracy required for fiber commissioning and troubleshooting.
The unit features intelligent power management, including an automatically adjustable backlight to optimize battery life and an auto-off function. With the capacity to store up to 1,000 data entries, technicians can efficiently record test results and download them via USB for documentation and reporting. It is housed in a durable casing and includes a protective cover for operation in demanding environments.
Key Features
-
Wide Wavelength Coverage
Supports eight calibrated wavelengths from 850 nm to 1650 nm for versatile network testing. -
High Precision Measurement
Features 0.01 dB measurement resolution to ensure accurate power loss assessment. -
Data Logging Capability
Stores up to 1,000 measurements for later analysis and reporting via USB connection. -
Intelligent Backlight
Automatically adjusts screen brightness to minimize energy consumption during extended use. -
Direct Connector Support
Includes interchangeable FC, SC, and LC adapters for direct integration with common fiber interfaces. -
Extended Battery Life
Delivers up to 200 hours of operation on three AA batteries when the backlight is disabled.
Applications
- Fiber optic cable power loss testing
- Absolute power measurement in fiber links
- Fiber network troubleshooting and maintenance
- Network commissioning and documentation
Package Contents
- FPM-55 Fiber Optic Power Meter
- FC Adapter
- SC Adapter
- LC Adapter (PC/UPC only)
- Nylon carry case
- Protective cover
- 3 x AA batteries
- Cleaning cotton swabs
- Instruction manual
- Software
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Jonard Tools |
| Part Number | 054X255 |
| Model | FPM-55 |
| Connector Types | FC, SC (APC/PC/UPC) & LC (PC/UPC) |
| Calibrated Wavelengths | 850, 980, 1300, 1310, 1490, 1550, 1625, 1650 nm |
| Detector Type | InGaAs |
| Measurement Range | -50 dBm to +26 dBm |
| Single Mode Accuracy | ≤ ± 0.25 dB |
| Multi-Mode Accuracy | ≤ ± 0.8 dB |
| Data Storage Capacity | 1000 entries |
| Resolution | 0.01 dB |
| Operating Time | 200 hours (without backlight) |
| Battery Type | 3 x AA |
| Dimensions | 6.89" x 3.54" x 1.75" |
| Weight | 0.66 lb |
Frequently Asked Questions
What is the measurement range of the FPM-55?
The power meter measures optical power from -50 dBm to +26 dBm.
Can I use the LC adapter with APC connectors?
No, the included LC adapter is designed for PC/UPC connectors only.
How much data can the device store?
The FPM-55 can store up to 1,000 data entries which can be downloaded via USB.
Does the unit feature an auto-off function?
Yes, it includes an auto-off function after 10 minutes, which can be deactivated if required.
What kind of batteries does the power meter require?
It operates on 3 AA batteries.