The OtO Photonics PH Series spectrometer datasheet provides specifications, optical performance, mechanical dimensions, and USB interface details.
The PH Series spectrometer from OtO Photonics is a compact device built around a linear CCD array and a 32‑bit RISC controller. It uses a crossed Czerny‑Turner optical design to deliver high optical resolution, high sensitivity, low stray light, and fast spectral response.
The instrument is powered via a USB port and offers multiple I/O options, including 6 user‑programmable digital I/Os and custom USB connectors. Detailed mechanical diagrams, electrical pinouts, and an API for Windows hosts are included to aid integration and software development.
| Wavelength range | 330 – 1050 nm |
|---|---|
| Optical resolution | 2.2 – 12 nm (depending on slit/grating) |
| CCD sensor | 3000‑pixel high‑sensitivity CCD |
| Integration time | 2 ms – 24 s |
| A/D converter | 16‑bit, 15 MHz |
| USB interface | Micro USB 2.0 @ 480 Mbps (high speed) |
| Power supply voltage | 4.75 V – 5.25 V |
| Physical dimensions | 65 mm × 65 mm × 29.8 mm |
| Digital I/O pins | 6 user‑programmable digital I/Os |
It covers wavelengths from 330 nm to 1050 nm.
The device is powered via its USB port with a supply voltage of 4.75 V to 5.25 V.
Six user‑programmable digital I/O pins are provided.
Communication is done over USB using the provided Windows API functions.