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Appendix | Accessories
thermoMETER CT
A 1.2
Air Purge Collars
Avoid disposals (dust, particles) on the lens as well as smoke, haze and high humidity (condensation).
> Error measurements
These effects can be reduced by using an air purge collar.
i
Make sure to use oil-free technically clean air, only.
A 1.2.1
Standard Air Purge Collar
Standard air purge collar [TM-AP-CT] for CT-SF22,
CT-SF15 and CTF-SF10 for optics with D:S ≥ 10:1 fits
to the mounting bracket TM-FB-CT.
Hose connection: 3 x 5 mm
Thread (fitting): M5
Standard air purge collar [TM-AP2-CT] for CT-SF02
for optics with D:S ≤ 2:1 fits to the mounting bracket
TM-FB-CT.
Hose connection: 3 x 5 mm
Thread (fitting): M5
Fig. 36 Standard air purge collar [TM-AP-CT]
Fig. 37 Standard air purge collar [TM-AP2-CT]
The needed amount of air (approximately 2 ... 10 l/min.) depends on the application and the installation con-
ditions on-site.
