X-Cite TETREM 4-Channel LED Illumination System
- Wavelength Range: 360-660 nm or 380-660 nm.
- LED Peaks (nm): 365, 475, 555, 635Â or 385, 475, 555, 635.
- LED ON/OFF Response Times: 100 μs TTL / 1 ms USB
- Control Options: smartDIAL, ON/OFF – TTL compatible.
- I/O Connections:Â DB25 x 8 BNC (4 x TTL, 4 x Analog), USB (B-type), Mini DIN plug, 9pos (smartDIAL).
Description
The new X-Cite TETREMâ„¢ is a 4-Channel LED illumination system for fluorescence imaging applications. Engineered for simplicity, power, and flexibility, it delivers reliable excitation for the most widely used fluorophores in microscopy. TETREM’s compact and cost-effective design makes it an ideal choice for researchers performing live cell imaging or upgrading from a lamp-based system for routine applications.The unit is equipped with the all-new X-Cite smartDIALâ„¢ controller, offering a modern, user-friendly, and sleek interface for precise and intuitive manual control.  The X-Cite TETREM is designed to cover the four key spectral bands required to excite the most popular dyes used in fluorescence microscopy – DAPI, FITC, mCherry/TRITC and Cy5. There are two different UV LED wavelengths available – 365 nm and 385 nm models – to accommodate your DAPI excitation filter preference.
X-Cite TETREM offers the flexibility to operate its four LEDs, either individually or simultaneously, making it well-suited for use with both multi-band and regular filter cubes. Individual LED control will minimize bleed-through with multiband filter cubes and can provide UV-free illumination for reflected light applications. Intensity levels for each channel can be precisely adjusted to optimize excitation of fluorophores or create your perfect white color balance.  The X-Cite smartDIAL controller features large tactile buttons, illuminated channel numbers and an OLED display in the central dial to communicate wavelength/intensity information for all four channels simultaneously.
With a focus on the key fluorophores and the addition of individual LED control, X-Cite TETREM is a versatile illuminator. It is a smart solution for routine applications and an ideal way to upgrade a microscope.





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