Standard Immersion Probe

　

Catalogue Number	Item Number	Light Path mm
661.000	661-1-46 661-2-46 661-5-46 661-10-46 661-20-46	1 2 5 10 20
Probe head material	Quartz SUPRASIL® 300
Probe barrel material	Stainless steel 1.4404 (316 L)
Protective sleeve material	Stainless steel 1.4404 (316 L) / 1.4571 (316 Ti)
Probe head seal	FFPM (DIN ISO 1629) FFKM (ASTM D1418)
Protective sleeve seal	FPM (DIN ISO 1629) FKM (ASTM D1418)
Outside Ø probe head	15 mm
Outside Ø probe shaft	20 mm
Outside Ø probe barrel	18 mm
Outside Ø protective sleeve	20 mm
Total length	approx. 180 mm (10 mm light path)
Max. immersion depth	100 mm (10 mm light path)
Typ. transmission	UV/Vis approx. 40 % in air above 300 nm NIR approx. 40 % in air above 400 nm
Max. pressure	6 bar
Max. temperature	150 °C
Fibre-optic cables	Not included, available separately for UV/Vis and NIR ranges (page 25).