Interface Infrared (IrDA)
Cellular network modems/frequencies
OTT ecoLog 800 GSM/GPRS
900/1800, 850/1900 MHz;
OTT ecoLog 800 3G GSM/GPRS; UMTS/HSPA+
900/1800, 850/1900 MHz;
800/850, 900, AWS 1700, 1900, 2100 MHz
SIM card 1.8 / 3 V
OTT ecoLog 800 Mini-SIM (UICC; 2FF)
OTT ecoLog 800 3G Micro-SIM (Mini-UICC; 3FF)
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
Conductivity
Supply voltage
GSM signal strength
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
– Compensate for water density using salinity and temperature
– Temperature compensation for conductivity. Options: Freshwater;
Saltwater; Standard method 2510 (reference temperature: 25 °C
or 20 °C); ISO 7888 / EN 27888; none
– Salinity (standard method or USGS 2311)
– 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 800 OTT ecoLog 800 3G
SMS direct transmission
✓
✓
SMS command
✓
✓
Data retrieval via direct connection
✓
–
GSM/GPRS functions
✓ ✓
UMTS/HSPA+ functions –
✓
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Summary of Contents for ecoLog 800
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