- 54 -
Fig. 9.4.1: custom LCD
9.5
TECHNICAL CHARACTERISTICS OF DATA LOGGERS IN WATERPROOF HOUSING
Transmission frequency
868 MHz, 902-928 MHz or 915.9-929.7 MHz according to the model
Antenna
External for outdoor installation with protection shield against solar radia-
tions. Internal for indoor installation.
Transmission range
300 m in open field (
the range can be reduced in the presence of ob-
stacles or adverse weather conditions
)
Measuring interval
(*)
1, 2, 5, 10, 15, 30 s / 1, 2, 5, 10, 15, 30, 60 min
Logging and
transmission interval
(*)
1, 2, 5, 10, 15, 30 s / 1, 2, 5, 10, 15, 30, 60 min
Internal memory
Circular management or stop logging if memory is full.
The number of storable samples depends on the number of detected
quantities (see table
9.5.1
).
Alarm
Acoustic through internal buzzer
Power supply
Non rechargeable
lithium thyonil chloride
(Li-SOCl
2
) internal battery,
3.6 V, AA format, 2-pole Molex 5264 connector.
Optional 24 Vac/dc power supply.
Display
Optional custom LCD
Buttons
Connection button inside the instrument
LED indicators
RF communication status (2-color LED)
Battery life
Typ. 2 years (without repeaters, measurement interval 5 s and log interval 30 s)
Operating temperature
and humidity
-20…+70 °C / 0…100
%RH
Dimensions
See dimensional drawing
Connectors for external
probes with cable
M12 connectors
Weight
250 g approx.(battery included)
Housing
ABS
Protection Degree
IP 67
Installation
Wall mount or fixing to a 40mm diameter mast through the clamping
HD2003.77/40
(
optional
).
Protection shield against solar radiations HD9217TF1 (
optional
) for
outdoor installation.
(*)
Some models that measure many quantities may have a minimum interval higher than 1 second.
Battery
level
Main line
Logging
status
Connection
status
Secondary line
RF interference
indicator
Measurement
unit