Introduction
The NOYAFA NF-909 is a versatile optical instrument designed for comprehensive fiber optic testing. It functions as both an optical power meter and a stable light source, making it an all-in-one solution for optical attenuation measurement. This device is suitable for various applications in optical fiber communication and network maintenance.
Key Features:
- Dual wavelength 1310nm and 1550nm, with a single output port for the light source.
- Light source offers continuous wave (CW) output and modulated wave outputs at 270Hz, 1kHz, and 2kHz.
- Ability to send wavelength identification codes from the light source.
- Optical power meter features linear and logarithmic display modes with automatic range conversion.
- Automatic recognition and switching to the measured wavelength by the optical power meter.
- Equipped with an LCD backlight for clear visibility.
- Integrated charging function with automatic shut-off upon full charge.
- Low voltage automatic shutdown to protect the device.
- Automatic shutdown after 60 minutes of inactivity (can be disabled).
Product Overview
Refer to Figure 2 for the location of the following components:
- Dust Cover: Protects the fiber ports from dust and debris.
- Fiber Port: Connects to optical fibers for testing.
- LCD Screen: Displays measurement results, wavelength, and other operational information.
- WAVELENGTH Button: Cycles through available wavelengths for measurement or emission.
- FUNCTION SWITCH Button: Toggles between different functions or modes.
- CALIBRATION Button (REF): Used for setting reference values or calibration.
- Charging Port: For connecting the power adapter to charge the device.
- POWER RANGE SWITCH Button: Adjusts the power measurement range.
- POWER SWITCH Button: Turns the device ON/OFF.
- LIGHT SOURCE & HYBRID KEY: Activates the light source function or other hybrid modes.
- Labeling: Product model and other identification marks.
Setup
1. Battery Installation and Charging
The NF-909 requires 3x 1.5V batteries for operation. The device also includes a charging function. Ensure batteries are correctly installed before first use or if the device indicates low power.
- Locate the battery compartment on the device.
- Insert 3x 1.5V batteries, observing correct polarity.
- To charge the device, connect a compatible power adapter to the Charging Port (refer to Figure 2). The device features automatic charging shut-off to prevent overcharging.
2. Connecting Fiber Optic Cables
The NF-909 is compatible with various fiber connectors. Ensure the fiber ports are clean before connecting any cables.
- Remove the dust cover from the fiber port(s) you intend to use.
- Clean the fiber connector and the device's fiber port using appropriate fiber cleaning tools.
- Carefully insert the fiber connector into the fiber port.
Operating Instructions
1. Powering On/Off
- Press the POWER SWITCH button (refer to Figure 2) to turn the device ON.
- Press and hold the POWER SWITCH button to turn the device OFF.
- The device will automatically shut down after 60 minutes of inactivity to conserve battery life. This feature can typically be disabled through a specific button combination or menu setting, if available (refer to the device's on-screen prompts or full manual for details).
2. Optical Power Meter Function
The NF-909 can measure optical power across 6 standard wavelengths.
- Press the WAVELENGTH button to cycle through the available wavelengths (850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm).
- The optical power meter can automatically identify the wavelength of the incoming signal and switch to the corresponding measurement setting.
- Use the POWER RANGE SWITCH button to adjust the measurement range if needed.
- Press the REF button to set a reference value for relative power measurements.
3. Light Source Function
The NF-909's light source provides stable optical output for testing fiber optic cables.
- Press the LIGHT SOURCE & HYBRID KEY to activate the light source.
- The light source supports dual wavelengths: 1310nm and 1550nm. Use the WAVELENGTH button to select the desired output wavelength.
- The light source can operate in Continuous Wave (CW) mode or modulated wave modes (270Hz, 1kHz, 2kHz). Use the FUNCTION SWITCH button to cycle through these modulation frequencies.
- The light source can also send wavelength identification codes, which can be recognized by compatible optical power meters.
Maintenance
Proper maintenance ensures the longevity and accuracy of your NF-909 device.
- Cleaning Fiber Ports: Always keep the fiber ports clean. Use specialized fiber optic cleaning swabs and solutions to remove dust and contaminants before and after each use. Contaminated ports can lead to inaccurate measurements and damage to the device or fiber.
- Dust Covers: Always replace the dust covers on the fiber ports when the device is not in use.
- Battery Care: Recharge the device when the low voltage indicator appears. If storing the device for an extended period, ensure it is fully charged and consider removing the batteries if they are not rechargeable to prevent leakage.
- Storage: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided carrying pouch for protection during transport.
- General Cleaning: Wipe the exterior of the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or depleted batteries. | Charge the device or replace the 1.5V batteries. |
| Inaccurate power readings. | Dirty fiber ports or connectors; incorrect wavelength setting. | Clean fiber ports and connectors. Ensure the correct wavelength is selected or allow auto-identification. |
| Light source not emitting. | Light source not activated; incorrect wavelength selected. | Press the LIGHT SOURCE & HYBRID KEY. Verify the selected wavelength. |
| Device shuts down unexpectedly. | Low battery; automatic shutdown due to inactivity. | Charge the device. If due to inactivity, restart the device and consider disabling auto-shutdown if frequently interrupted. |
Specifications
| Parameter | Value |
|---|---|
| Product Name | NF-909 Optical Power Meter & Light Source |
| Power Detecting Range (dBm) | -70 ~ +10 |
| Wavelength Range | 800-1700 nm |
| Probe Type | InGaAs |
| Detection Limit | ≤1.0 mm |
| Standard Wavelengths (Power Meter) | 850/1300/1310/1490/1550/1625 nm |
| Display Resolution | 0.01 dBm |
| Modulation Frequencies | CW/270Hz, 1Hz, 2Hz |
| Standard Wavelengths (Light Source) | 1310/1550 nm (FP-LD Emitter) |
| Working Temperature | -20 ~ +70°C |
| Power Supply | 3x 1.5V batteries |
| Overall Dimension | 160 x 75 x 32 mm |
| Package Length | 20 cm |
| Package Width | 13 cm |
| Package Height | 9 cm |
| Package Weight | 0.5 kg |
| Certification | CE |
User Tips
- Fiber Cleaning is Crucial: Always prioritize cleaning fiber connectors and ports. Even microscopic dust can significantly impact measurement accuracy and potentially damage optical components.
- Utilize Auto-Identification: For quick power measurements, rely on the power meter's auto-identification feature to detect the incoming wavelength, saving time and reducing potential errors.
- Reference Power for Loss Measurement: When measuring optical loss, remember to set a reference power (REF button) at the source end of the fiber. This allows the device to calculate the attenuation accurately.
- Battery Management: Keep the device charged, especially before critical tasks. The low voltage shutdown feature is a good indicator that charging is needed.
Warranty and Support
For warranty information, technical support, or service inquiries regarding your NOYAFA NF-909, please contact the seller or the manufacturer directly. Keep your purchase receipt as proof of purchase.
- Brand: NOYAFA
- Seller: AMTech instrument Store
