![Fluorescence Calibration source for Visible Region](https://jascoinc.com/wp-content/uploads/2017/05/ESC-842-480x314.png)
ESC-142 | Calibrated WI Light Source
A secondary standard light source used for spectral correction of the emission optics from 300 to 1010 nm.
![Fluorescence Calibration source for UV Region](https://jascoinc.com/wp-content/uploads/2017/05/ESC-843-480x381.png)
ESC-143 | Calibrated D2 Light Source
A secondary standard light source used for spectral correction of the emission optics from 200 to 400 nm.
![Calibrated Detector](https://jascoinc.com/wp-content/uploads/2017/05/SID-844-480x314.png)
SID-144 | Calibrated Detector
Used for spectral correction of the excitation optics from 200 to 900 nm.
![Fluorescence Calibration Kit](https://jascoinc.com/wp-content/uploads/2017/05/VDK-840-480x261.png)
VDK-140 | Validation Kit 1
Used for spectral correction of the excitation optics and for the stray light instrument validation test from 200 to 600 nm.
![Fluorescence Calibration Kit](https://jascoinc.com/wp-content/uploads/2017/05/VDK-841-480x261.png)
VDK-141 | Validation Kit 2
Set of colored glass filters used for the stray light validation test.
![Red Sensitive PMT](https://jascoinc.com/wp-content/uploads/2017/05/WRE-362-213x480.png)
WRE-362 | Red Sensitive PM Tube
Photomultiplier tube detector for monitoring longer wavelengths.