MiniMyotis 4ch-Unit
The MiniMyotis 4ch is an optical signal conditioning unit developed by Phonoptics, designed to work with their fiber‑optic sensors such as Evotis microphones, Alpheus pressure sensors, tachometers, and vibration sensors. Housing a light source, a photodiode, and all necessary electronics, this unit converts optical signals into standard electrical signals that are directly compatible with data acquisition systems (DAQ), oscilloscopes, and other measurement devices.
It also features a noise‑eater function to enhance the signal‑to‑noise ratio.
Main features
Optical connection: SC/APC SM, 4 channels
Bandwidth (–3 dB): 800 kHz
Electrical gain: Selectable ×1, ×10, ×100 (BNC)
Outputs:
AC: BNC ±1.65 V
DC: SMA 0–3.3 V
Power supply: USB Type‑C, 5 V, 7.5 W
Dimensions: compact and portable
Noise reduction: up to 20 dB at low frequencies
Operating temperature: 0 °C to 45 °C
Use cases
Acoustic and vibration measurement: Compatible with Evotis noise and vibration sensors.
Dynamic pressure: Used with Alpheus pressure sensors.
Extreme environment testing: Can be used with long fibers (> 2 km) and on‑site optical reconnections.
Diverse acquisition systems: Compatible with NI cards, Dewesoft DAQs, Arduino, oscilloscopes, etc.
Predictive maintenance: Precise time‑based signal analysis.
R&D: Ideal platform for laboratory or field testing.
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