E-m-hm-v1_10 – ROTRONIC MP400H User Manual
Page 17
E-M-HM-V1_10
Rotronic AG
Bassersdorf, Switzerland
Document code
Unit
HygroMet MP Humidity Temperature
Meteorological Probe: User Guide
Instruction Manual
Document Type
Page 17 of 19
Document title
© 2009; Rotronic AG E-M-HM-V1_10
Configurable analog outputs
HM 3-wire
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
0…20 mA
4… 20 mA
0… 1 V
0… 5 V
0… 10 V
(user configurable)
User configurable scaling limits
-999 … +9999 engineering units
Short circuit tolerant
Yes
Maximum external load
500
Ω (current output)
Minimum external load
1000
Ω (voltage output)
0
Ω (current output)
Digital interface
HM 3-wire
Interface type
RS-485
Service connector
HM 3-wire
Interface type
UART
(Universal Asynchronous Receiver Transmitter)
Maximum service cable length
5 m (16.4 ft)
General specifications
HM 3-wire
HC2-S3 Probe material
Polycarbonate
Probe dust filter material
Polyethylene
Housing material
POM
Housing protection grade
IP 65
Physical dimensions
See Models
Weight (with HC2-S3 probe)
258 g (9.1 oz)
Conformity with standards
HM 3-wire
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