Accessories¶

For reason of a sensor protection various kind of filters and filter carriers can be used.

With the use of different filters, some measurement characteristics vary as well.

SPA-PCB			Polycarbonate, black	-50…+100 °C (-58…+212 °F)
SPA-PCW			Polycarbonate, white	-50…+100 °C (-58…+212 °F)
SPA-SS			Stainless steel, 1.4301	-100…+200 °C (-148…+392 °F)

Filter
Material	PC / 1.4301	1.4401	Polyethylene	PTFE	1.4404
Pore size	-	10 µm	40 µm	10 µm	25 µm
Temperature range	-	-100…+200 °C	-50…+100 °C	-80…+200 °C	-100…+200 °C
Response time %rh1	12 s	12 s	15 s	18 s	15 s
Response time °C 2	80 s	180 s	180 s	170 s	-
Response time °C 3	120 s	190 s	210 s	210 s	200 s
Waterproof (immersion 50 mm)	No	No	Yes	Yes	No
Maximum wind speed	5 m/s	50 m/s	50 m/s	50 m/s	70 m/s
Suitable for particulates	No	No	>10 um	Yes	No
General information	Fast response time	High temperature, fast response time, fast drying, mechanically robust	Standard filter	High chemical resistance, particulates, high temperature	High wind speed, abrasive environment, high mechanical protection
Applications	Sterilization, H2O2, handheld devices	Meteorology, agriculture, climate chambers, storerooms, cheese cellars	HVAC, offices, storerooms, labs, clean rooms	Clean rooms, medicine, spray paint booths, flour production	HVAC with high wind speed, industrial applications

1 T63: 100 %rh => 30 %rh

2 PC carrier: 70 °C => 23 °C

3 Stainless steel carrier 70 °C => 23 °C