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Radio antenna Built-in, robust and weather-proof; optional connection of an exter-
nal antenna is possible (SMA connection); max. permitted antenna
gain (incl. cable): max. 2.5 dBi.
A minimum distance of 0.20 metres must be maintained between the
radio antenna and people and between radio antenna and other
electrical equipment/antennae!
Temperature range, operating –30 °C … +85 °C
Temperature range, storage –40 °C … +85 °C
Air humidity 5 % … 95 % (non-condensing)
Data memory
Measurement memory 4 MB
Number of measured values Approx. 500,000
Number of logical channels 6 + 1 info channel
Physical channels (input signals) Water level/pressure
Temperature
Supply voltage
GSM signal strenght
Minimum supply voltage during transmission via cellular network
Sample interval 5 seconds … 24 hours
Storage interval (mean interval) 5 seconds … 24 hours
Individually configurable functions – Basic or advanced operation
– 5 extended sample intervals with start/stop time indication,
support for pumping tests
– Selection of units
– Number of decimal places
– Pressure/level measurement or depth measurement
– With consideration of the local gravitational acceleration
– Display of instantaneous values with level monitoring function
– Password protection
– Measured value processing: Calculation of mean; delta storage;
scaling function; extreme value storage; limit control of the sample
interval
– Virtual sensor/virtual terminal
– Alarm management
– Remote data transfer
Mobile communications functions
OTT ecoLog 500 OTT ecoLog 500 3G
SMS direct transmission
✓
✓
SMS command
✓
✓
Data retrieval via direct connection
✓
–
GSM/GPRS functions
✓ ✓
UMTS/HSPA+ functions –
✓
Mechanical Data
Can be installed in observation wells
– Top caps with cut-out (OTT, HT) 2"
– With adapter plates for top caps 3", 4", 6"
With cut-out (OTT, HT)
– With universal suspension brackets for top caps > 2"
Without cut-out/universal installation
Dimensions
Communication unit (L x Ø) 520 mm x 50 mm
Pressure probe (L x Ø) 195 mm x 22 mm
System length (cable length including 2 … 200 m ±1 % ±5 cm
communication unit/pressure probe)
Weight
Communication unit (incl. lithium batteries, DD type) Approx. 1.0 kg
Pressure probe Approx. 0.300 kg
Pressure probe cable Approx. 0.082 kg/m
50
Summary of Contents for ecoLog 500
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