Product information Wireless data loggers
HD35APGMT/HD35AP3GMT base units
External RF
antenna
GSM/3G
antenna
Mini USB
Power
supply
Versions
HD35APGMT
:
USB output and GSM/GPRS
module
HD35AP3GMT
:
USB output and 3G/GSM/GPRS
module
Power supply
18…27 Vdc
Power consumption
< 16 mA during measurement
< 1 A peak during GSM activity
Internal battery
12 V lead-acid rechargeable
The battery charger is integrated in the box
Transmitting frequency
868 MHz, 902-928 MHz or 915.9-929.7 MHz (not for
HD35APGMT) depending on the model
Antennas
Fixed whip external RF antenna
Whip external GSM/3G antenna with cable
Transmitting range
See table 2
Output
USB with Mini-USB type connector (cable
CP31
)
Ethernet connection
No
Wi‑Fi connection
No
GSM/GPRS connection
Yes, for sending alarm
or
SMS
and data via
, to an
FTP
address or to an HTTP server
(
Cloud
). Allows the
GPRS TCP/IP
protocol.
3G connection
Only in HD35AP3GMT model. For sending alarm
or
SMS
and data via
, to an
FTP
address or to an HTTP server (
Cloud
). Allows the
3G
TCP/IP
protocol.
Internal memory
The number of samples that can be stored depends
on the type of data loggers connected. The capacity
is 226,700 samples if all the data loggers record 7
quantities.
LED indicators
Presence of external power supply, RF
communication status.
Working temperature and
humidity range
-40…+70 °C / 0…100
%RH
Housing
Dimensions: 270 x 170 x 110 mm (excluding antenna)
Material: Polycarbonate (PC)
Protection degree: IP 65 (with protective cap on the
USB connector)
Weight
1 kg approx.
Installation
Fixing to a 40 mm diameter mast
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