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6.8
TECHNICAL FEATURES OF THE BASE UNIT
Power supply
Internal lithium-ion 3.7 V
rechargeable
battery, 2250 mA/h capacity, JST
3-pole connector
Optional
external 6 Vdc power supply (
SWD06
)
Directly powered by a PC USB port
Current consumption
30 mA
Transmission frequency
868 MHz, 902-928 MHz or 915.9-929.7 MHz according to the model
Antenna
External whip antenna
Transmission range
300 m in open field
The range can be reduced in the presence of obstacles or adverse
atmospheric conditions
Serial outputs
USB with Mini-USB connector (
CP23
cable)
RS485 with
MODBUS-RTU
protocol (HD35APS only)
Ethernet connection
HD35APW model only. Allows
MODBUS TCP/IP
protocol. With integrated
Web server.
Wi-Fi connection
HD35APW model only. Allows
MODBUS TCP/IP
protocol. With integrated
Web server.
GSM connection
HD35APG model only. For the transmission of alarm
SMS
and data by
or
FTP
. Allows
GPRS TCP/IP
protocol.
Internal memory
The number of storable samples depends on the type of data loggers con-
nected. The capacity is of 226.700 samples if all data loggers record 7
quantities.
LED indicators
Presence of external power supply, battery charge level, RF communica-
tion status.
Battery life
Typically 3 days (8 hours for HD35APW connected to local network)
Operating temperature
and humidity
-10…+60 °C / 0…85
%RH non condensing
Dimensions
See dimensional drawings
Weight
About 200 g. (battery included)
Housing
ABS
Protection degree
IP 64
Installation
Wall support (
supplied
) for removable installation or flanges (
option
) for
fixed installation