UPDATE
I managed to solve the pulse height issue by completely dismounting the optics and cleaning the optical chamber, the laser and the optics.
In my case I did not had to realign the laser by means of an oscilloscope but it could be the case.
Search found 2 matches
- Fri Apr 04, 2025 1:01 pm
- Forum: Particle number size distribution – mobility diameter 10 to 800 nm
- Topic: Pulse Height Error on Pulse Height CPC 3750
- Replies: 1
- Views: 29457
- Tue Jan 14, 2025 12:53 pm
- Forum: Particle number size distribution – mobility diameter 10 to 800 nm
- Topic: Pulse Height Error on Pulse Height CPC 3750
- Replies: 1
- Views: 29457
Pulse Height Error on Pulse Height CPC 3750
Dear All, I have the following issue on the DMPS. Since few weeks the Total CPC (TSI 3750) is returning an error/warning related to pulse height value. The value itself is varying during the day from very low values (30% to 80%) and from time to time the error acknowledges itself (see attached image...