In contrast to other systems, the OP740 from OptoTest uses a separate, independent measuring unit for each fibre. This not only increases the speed but the accuracy of the measurement results as well. The relative measuring accuracy of the OP740 is ±0.02 dB. Thanks to this combination of high sampling rate and accuracy, even short signal dropouts in individual fibers can be detected as part of a dropout test.
Depending on the application, the OP740 is available with four to twenty-four ports per U2 rack. It can be optionally equipped with silicon (400 nm – 1100 nm) or InGaAs detectors (830 nm – 1700 nm).
The four-colour touchscreen display allows the user to display the measurement results in real time and to choose how many channels are displayed. Several pass/fail measurements can be performed simultaneously without additional software. The colour coding provides information about the performance of the overall system. The threshold values are defined by the user.
The OP740 is in demand wherever fast optical performance monitoring of many channels is required. For example, in the production of splitters, the cores of several fibres are fused together and twisted until the correct splitting ratio is achieved. This is best achieved when all outputs of the splitter can be monitored simultaneously.
In combination with the OPL-LOG software, this device is also suitable for long-term tests, for example when the behaviour of fibres is tested over several weeks in a climate chamber.
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