Komshine KPM-35 Optical Power Meter and KLS-35 Optical Light Source User Manual

1. Introduction

This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of the Komshine KPM-35 Optical Power Meter and KLS-35 Optical Light Source. These devices are designed for fiber optic network testing, offering precise measurements and reliable performance.

Figure 1: The Komshine KPM-35 Optical Power Meter (right) and KLS-35 Optical Light Source (left) connected with a fiber optic cable.

2. Safety Information

Always observe the following safety precautions to prevent injury and damage to the equipment:

• Do not look directly into the optical output ports of the light source or any connected fiber when the light source is active. Invisible laser radiation can cause severe eye damage.
• Use only the specified power source (Alkaline Battery) for the devices.
• Keep the devices dry and clean. Avoid exposure to extreme temperatures or humidity.
• Handle fiber optic cables and connectors with care to prevent damage.
• Ensure proper ventilation when operating the devices.

3. Package Contents

The package typically includes:

• KPM-35 Optical Power Meter
• KLS-35 Optical Light Source
• Protective silicone cases for both units
• SC, FC Adapters (2.5mm universal interface)
• User Manual & Warranty Card (digital or physical)
• Fiber optic patch cables (bridle wires)
• Carrying case

Figure 2: Typical contents of the Komshine KLS-35 package, including the device, manual, and accessories.

4. Product Features

4.1. KPM-35 Optical Power Meter

• Wavelengths: 800~1700nm detection range.
• Measurement Range: -70~+10dBm.
• Accuracy: ±0.2dB.
• Resolution: 0.01dB.
• Connectors: 2.5mm universal interface, compatible with SC, FC adapters. ST and LC adapters may be supported optionally.
• Self-Calibration: Supports automatic self-calibration function.
• Display: Built-in backlit display for visibility in dark environments.
• LED Light: Equipped with an LED light for illuminating work areas.
• Battery Life: Approximately 200 hours continuous operation.
• Protection: Detachable silicone rubber pad for shock-proof and drop-proof protection (up to 2m).

Figure 3: Overview of key features including accuracy, wavelength options, battery life, and universal interface.

Figure 4: The KPM-35 Optical Power Meter supports 7 wavelengths: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, and 1625nm.

Figure 5: The KPM-35 features a built-in LED backlight and an additional LED light for improved visibility in low-light conditions.

4.2. KLS-35 Optical Light Source

• Wavelengths: SM 1310/1550nm.
• Modulation Frequencies: CW (Continuous Wave), 270Hz, 1KHz, 2KHz.
• Typical Output Power: -5dB.
• Connectors: 2.5mm universal interface, compatible with SC, FC adapters.
• Display: LED backlight function for dark environments.
• Protection: Detachable silicone rubber pad for shock-proof and drop-proof protection (up to 2m).

Figure 6: The KLS-35 Light Source offers continuous wave output with modulation frequencies of 270Hz, 1000Hz, and 2000Hz.

Figure 7: Both the KPM-35 and KLS-35 feature a detachable silicone rubber pad for enhanced durability and protection against drops.

Figure 8: The devices are equipped with a 2.5mm universal interface and include a standard SC adapter, supporting various connector types like FC, ST, and LC (optional).

5. Setup

5.1. Battery Installation

The devices are powered by Alkaline Batteries. To install or replace batteries, open the battery compartment cover on the back of each unit and insert the batteries according to the polarity markings. Close the cover securely.

5.2. Attaching Connectors

The KPM-35 and KLS-35 feature a 2.5mm universal interface. Use the provided SC or FC adapters as needed. Ensure the adapter is securely fastened to the optical port before connecting a fiber optic cable.

6. Operating Instructions

6.1. Basic Operation (Power Meter and Light Source)

1. Power On/Off: Press the power button (Ⓢ) to turn the device on or off.
2. Wavelength Selection (KPM-35): Press the wavelength button (λ) to cycle through the available wavelengths (850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm).
3. Wavelength Selection (KLS-35): Press the wavelength button (λ) to select between 1310nm and 1550nm.
4. Modulation Frequency (KLS-35): Press the CW/Hz button to select between Continuous Wave (CW), 270Hz, 1KHz, and 2KHz modulation frequencies.
5. LED Light (KPM-35): Press the light bulb button (💡) to activate or deactivate the built-in LED light.
6. Backlight: The display features a backlight for improved visibility.

6.2. Optical Power Measurement

1. Connect the KLS-35 Optical Light Source to one end of the fiber optic cable using a patch cable (bridle wire).
2. Connect the KPM-35 Optical Power Meter to the other end of the fiber optic cable.
3. Ensure both the KLS-35 and KPM-35 are set to the same wavelength.
4. The KPM-35 will display the measured optical power in dBm.

6.3. Self-Calibration (KPM-35)

The KPM-35 supports self-calibration to maintain accuracy. Follow these steps:

1. Connect the KLS-35 Light Source to the KPM-35 Power Meter using a short patch cable.
2. Ensure both devices are powered on and set to the same wavelength.
3. On the KPM-35, press the REF/dB button briefly to enter the last cleared data mode.
4. To enter the adjustment page for calibration, press and hold the REF/dB button and the LED light button (💡) simultaneously.
5. Use the wavelength button (λ) to adjust the calibration value downwards and the REF/dB button to adjust it upwards until the desired reference value (e.g., 0.00 dB) is achieved.
6. After adjustment, press the LED light button (💡) to save the parameters.

6.4. Optical Loss Measurement

To measure optical loss, you will need to establish a reference power level first.

1. Set Reference:
   1. Connect the KLS-35 Light Source directly to the KPM-35 Power Meter using a short, known good patch cable.
   2. Ensure both devices are set to the same wavelength.
   3. On the KPM-35, press and hold the REF/dB button until the screen shows "REF" (or a similar indicator) and the display reads 0.00 dB. This sets the reference power.
2. Measure Loss:
   1. Disconnect the KPM-35 from the KLS-35.
   2. Connect the KLS-35 to one end of the fiber optic line you wish to test.
   3. Connect the KPM-35 to the other end of the fiber optic line.
   4. The KPM-35 will now display the optical loss in dB relative to the set reference.

7. Maintenance

7.1. Cleaning Optical Ports

Regularly clean the optical ports and fiber connectors to ensure accurate measurements. Use lint-free wipes and appropriate fiber optic cleaning solutions or tools. Never use abrasive materials.

7.2. Battery Care

If the devices will not be used for an extended period, remove the batteries to prevent leakage and damage. Replace batteries when the low battery indicator appears on the display.

7.3. Protective Case

The silicone protective case helps guard against physical damage. Ensure it is properly fitted during use and storage.

8. Troubleshooting

9. Specifications

9.1. KPM-35 Optical Power Meter

• Wavelengths: 800~1700nm
• Measurement Range: -70~+10dBm
• Accuracy: ±0.2dB
• Resolution: 0.01dB
• Optical Connector: 2.5mm universal interface (SC, FC Adapter included)
• Power Support: Alkaline Battery
• Protection: Silicon shell protection design, drop proof 2m

9.2. KLS-35 Optical Light Source

• Wavelengths: SM 1310/1550nm
• Modulation Frequencies: CW, 270Hz, 1KHz, 2KHz
• Typical Output Power: -5dB
• Optical Connector: 2.5mm universal interface (SC, FC Adapter included)
• Power Support: Alkaline Battery
• Protection: Silicon shell protection design, drop proof 2m

9.3. General

• Brand: KOMSHINE
• Manufacturer: KomShine Technologies Limited
• First Available: September 14, 2022
• UPC: 755871748642

10. Warranty and Support

For warranty information and technical support, please refer to the official Komshine website or contact their customer service. Keep your purchase receipt for warranty claims.

You may also find additional resources and support by visiting the KOMSHINE Store on Amazon.