17
3.3
Physical Characteristics
Dimensions
64.5 x 61 x 22 mm (regular housing)
95 x 76.4 x 28.8 mm (IP67 housing)
Weight
59 ± 5 g (FM
-Eco4 light S)
65 ± 5 g (FM
-Eco4+ light S)
148 ± 5 g (FM
-Eco4+ S)
185 ± 5 g (FM
-Eco4+ E S)
Housing material
Plastic
Connector
12 Pin, insulated
Configuration interface
USB
Antenna
Internal
External (FM-Eco4+ E S only)
3.4
Technical Characteristics
3.4.1
Environmental Specifications
FM-Eco4 light S FM-Eco4 light+ S
FM-Eco4+ S
FM-Eco4+ E S
Temperature
Operating:
-
30 to +60 °C
Storage:
-
40 to +65 °C
Operating:
-
20 to +60 °C
Battery charging:
0 to +45 °C
Battery discharging: -
20 to +60 °C
Storage:
-
20 to +60 °C
Relative humidity
5 % to 95 % Non-condensing
3.4.2
Electrical Specifications
FM-Eco4 light S FM-Eco4 light+ S
FM-Eco4+ S
FM-Eco4+ E S
Power supply range
6
–
31.5 V DC
Power supply voltage
6/12/24 V DC
Maximum current
rating
400 mA @ 6 V DC 500 mA @ 6 V DC
Internal battery
–
LiPo 3.7 V 190 mAh
Protections
Battery short circuit protection (devices with internal battery only)
Reverse polarity protection
Overcurrent protection on 1-Wire power line
