-40%
Varian Turbo V-70 Turbomolecular Pump 9699357S012 w/ Controller 9699402
$ 528
- Description
- Size Guide
Description
Used Varian Turbo-V 70 with controller unit and cable. The pump and controller were tested, and work.Unit tested as follows:
1) Connected a regular vacuum pump to the turbomolecular pump. Pumped air out of turbomolecular pump to get vacuum inside..
2) Hooked up controller. Shorted interlock pins 3&8 on P1 connector per manual (
https://www.manualslib.com/manual/1236576/Varian-Turbo-V-70.html?page=56#manual
)
3) Shorted pins 1&6 to start pump. Monitored pump with stethoscope.
4) Verified by sound that pump ramped up to intermediate speed, then a minute or so later, ramped up to final speed.
5) Stopped turbomolecular pump. Allowed several minutes for pump to coast down.
6) Bled pressure to atmospheric. Removed regular vacuum pump.