Product information Wireless data loggers
Technical specifications
HD35EDW… data loggers in waterproof housing for outdoor use
Transmitting frequency
868 MHz, 902-928 MHz or 915.9-929.7 MHz depending on the model
Antenna
Internal (default). On request, external fixed or with 3 m cable.
Transmitting range
See table 2
Measuring interval
(*)
1, 2, 5, 10, 15, 30 s / 1, 2, 5, 10, 15, 30, 60 min
Logging and trans mitting interval
(*)
1, 2, 5, 10, 15, 30 s / 1, 2, 5, 10, 15, 30, 60 min
Internal memory
Circular management or stop logging when full.
The number of samples that can be stored depends on the number of acquired quantities
(see table 7).
Alarm
Acoustic by means of the internal buzzer
Power supply
Internal 3.6 V lithium-thionyl chloride (Li-SOCl
2
)
not rechargeable
battery, size A (size C
for HD35EDWK/4TC, HD35EDWS/xTC and HD35EDWH), Molex 5264 2-pole connector.
Optional 24 Vac/dc power supply.
7…30 Vdc external power supply (without internal battery) for HD35EDWPTC-ALM,
HD35EDW-MB and the models with CO
2
probe.
Battery autonomy
(without repeaters, direct communication
with HD35AP...)
4 years typical for HD35EDWK/4 and HD35EDWH models (with 10 s measurement interval
and 30 s logging interval);
2 years typical for the other models, with 5 s measurement interval (10 s for HD35EDW7P/...
TC, HD35EDW14bNTC, HD35EDW14b7PTC and HD35EDWWBGT) and 30 s logging interval.
Display
Optional custom LCD
Push‑buttons
Push-button for connection inside the instrument
LED indicators
RF communication status. The models without LCD are provided with alarm LED and
battery level LED.
Working temperature and humidity range
-20…+70 °C / 0…100
%RH
Housing
Material: Polycarbonate
Dimensions: see table 6B
Protection degree: IP 67 (IP65 for the models with CO
2
sensor)
Connectors for external probes
Depending on the model: M12 connectors, thermocouple connectors or
terminal
header
inputs
3.5
mm pitch.
Weight
250 g approx. (including battery)
Installation
Wall mounted or fixed to the 40 mm diameter mast by means of the HD2003.77/40
clamping (
optional
, for versions L=80 mm, H=120 mm).
Optional
protection shield from solar radiations.
Versions without LCD:
RF LEDs
LED alarm
LED battery
Versions with LCD:
RF LEDs
LCD
(*)
Some models measuring several quantities may have a minimum interval greater than 1 second (see table 7).
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