User Manual
E-M-HF63_65-V1_11
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
Instruction Manual
Document Type
HygroFlex HF63/HF65 Humidity Temperature
Transmitters: User Guide
Document title
Page
29 of 34
© 2008; Rotronic AG E-M-HF63_65-V1_11
Conformity with standards HF63 HF65
CE / EMC immunity
EMC Directive 2004/108/EG: EN 61000-6-1: 2001, EN 61000-6-2: 2005
EN 61000-6-3: 2005, EN 61000-6-4: 2001 + A11
Solder type Lead free (RoHS directive)
Fire protection class Corresponds to UL94-HB
FDA / GAMP directives compatible
Environmental limits HF63 HF65
Storage and transit -50…+70 °C / -20...+70 °C (models with display), 0…100 %RH, non condensing
Operating limits at electronics -40 … +60 °C / -10….60 °C (models with display), 0…100 %RH, non condensing
Temperature limits at probe -100…+150 °C (valid for type D and type 2 – cable probe)
Maximum humidity at sensor
100 %RH up to 80 °C (176 °F)
75 %RH at 100 °C (212 °F)
45 %RH at 125 °C (260 °F)
15 %RH at 150 °C (302 °F)
Maximum air velocity at probe 40 m/s (7,870 ft /min) – depends on dust filter type
Critical environments Humidity sensor: as per DV04-14.0803.02 - Critical chemicals