ROTRONIC HF65 - Manual (Page 28)

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 28 of 34
© 2008; Rotronic AG E-M-HF63_65-V1_11
Start-up time and data refresh rate
HF63 HF65
Start-up time 1.9s (typical) 1.9s (typical)
Data refresh rate 1.7s (typical) 1.7s (typical)
Configurable analog outputs HF63
Output 1 Can be made to correspond to any parameter
Factory default parameter Relative humidity or dew / frost point
Factory default scale As per ordering code
Output 2 Can be made to correspond to any parameter
Factory default parameter Temperature
Factory default scale As per ordering code
Output 1 and Output 2
Signal type (user configurable)
0…20 mA
4… 20 mA
0… 1 V
0… 5 V
0… 10 V
User configurable scaling limits -999.99 … +9999.99 engineering units
Maximum offset at bottom of
signal range
0…1V signal range : 3 mV
0…5 V signal range : 50mV
0…10 V signal range : 90mV
0…20 mA signal range : 4uA
4…20 mA signal range : no offset
Short circuit tolerant Yes
Maximum external load 500 Ω (current output)
Minimum external load
1 kΩ (0…1 V output)
5 kΩ (0…5 V output)
10 kΩ (0…10 V output)
0 Ω (current output)
Digital interface HF65
Interface type RS-485 or USB + RS-485 or Ethernet (TCP/IP) wired or wireless +RS-485
Can be configured for use with a Modbus BUS system
Service connector HF63 HF65
Interface type UART
Maximum service cable length 5 m (16.4 ft)
General specifications HF63 HF65
Optional display LC, 1 or 2 decimals resolution, backlight, trend and alarm indication
Probe material Polycarbonate
Probe dust filter material Depends on filter type
Housing material ABS
Housing protection grade IP 65 (except HF55 – USB or Ethernet)
Physical dimensions See Models
Weight 300 g (10.6 oz) 300 g (10.6 oz)