ROTRONIC HF3 - Manual (Page 25)

E-M-HF3-V1_22
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
HygroFlex HF3 Transmitters and Thermo-
hygrostats: User Guide Instruction Manual
Document Type
Page 25 of 27
Document title
© 2009-2011; Rotronic AG E-M-HF3-V1_22
General specifications HF32 HF33 HF34
Optional display
(S and R configurations only)
LC, 1 or 2 decimals
resolution, no backlight,
trend indication LC, 1 or 2 decimals
resolution, with backlight
and trend indication
Probe material Polycarbonate, except type R and S Polycarbonate
Probe dust filter material Polyethylene, except type R and S Polyethylene
Housing material ABS
Housing protection grade IP 65, except type R and S IP 65
Physical dimensions See Models
Weight 90 g (3.1 oz) 105 g (3.7 oz)
Conformity with standards HF32 HF33 HF34
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 HF32 HF33 HF34
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 - 40…+60 °C
Maximum humidity at sensor 100 %RH
Maximum air velocity at probe 20 m/s (3,935 ft /min), except type R and S
Critical environments Humidity sensor: as per DV04-14.0803.02 - Critical chemicals