OPTOKON OFT-920 Ruggedized Optical Test Set — is a combined instrument that integrates the functions of a light source and an optical power meter. Designed specifically for testing fiber optic networks in harsh operating conditions: at industrial facilities, in field conditions, in energy or telecommunications sectors.
The rugged aluminum housing ensures high resistance to shock, dust, and moisture, as well as a long service life. The device boasts extended battery life (over 20 hours), making it ideal for use in field conditions without access to the power grid.
Main Specifications
Parameter | Value |
Device Type | Combined optical power meter and light source |
Supported Fiber Types | Singlemode (SM) and Multimode (MM) |
Wavelengths (MM) | 850 nm, 1300 nm |
Wavelengths (SM) | 1310 nm, 1490 nm, 1550 nm, 1625 nm |
Power Measurement Range | –55 dBm … +10 dBm / –53 dBm … +17 dBm |
Memory | Up to 2000 measurement results |
Housing | Aluminum, ruggedized, IP54 level |
Operating Temperature | –10 °C … +50 °C |
Storage Temperature | –40 °C … +70 °C |
Humidity (non-condensing) | 0 – 95 % |
Power Supply | Rechargeable battery |
Battery Life | Over 20 hours |
Weight | 400 g |
Dimensions | 145 × 145 × 56 mm |
Key Advantages
- Two devices in one: light source + power meter.
- Ruggedized housing — aluminum, dust and moisture resistant.
- Memory for 2000 results with recording of fiber data, wavelength, and loss.
- Support for simultaneous testing of 2 or 4 fibers.
- Long-lasting autonomy — over 20 hours without charging.
- Simple menu and convenient navigation even while wearing gloves.
- Suitable for extreme conditions: industrial facilities, military systems, energy sector.
Application Areas
- Construction and maintenance of fiber optic lines.
- Telecommunications companies.
- Industrial communication networks.
- Energy facilities.
- Military data transmission systems.
- Testing in field conditions or places with high dust and humidity levels.
Features of the OFT-920 Model
Pros
- Protected housing (IP54) — dust and splashes will not harm operation.
- Wide temperature range: from –10 °C to +50 °C.
- Ability to test multiple fibers simultaneously.
- High measurement accuracy.
- Simple controls and intuitive menu.
- Large memory for storing results.
- Long battery life — over 20 hours.
Cons
- IP54 protection rating does not allow for full submersion in water.
- Cost is higher than household models, but justified by quality and durability.
- Verification of compatibility with connector types is necessary.
FAQ
Q1: Does the OFT-920 support testing of singlemode and multimode fibers?
Yes, the device supports both singlemode (SM) and multimode (MM) fibers.
Q2: How many results can be stored in memory?
Up to 2000 measurements with all parameters (fiber, wavelength, loss).
Q3: What is the battery life?
More than 20 hours without recharging.
Q4: What protection rating does the housing have?
IP54 — protection against dust and splashes.
Q5: What operating conditions is it designed for?
For heavy industrial and field conditions where reliability and autonomy are important.
Q6: What is the measurement accuracy?
The error does not exceed ±0.25 dB, which corresponds to a high level for professional testers.
Q7: Can it work with different types of connectors?
Yes, various connector standards are supported, and the use of adapters is possible.
