23 Technical data
Water level
Measuring range 0 … 4 m water column (0 ... 0.4 bar)
0 … 10 m water column (0 ... 1 bar)
0 … 20 m water column (0 ... 2 bar)
0 … 40 m water column (0 ... 4 bar)
0 …100 m water column (0 ... 10 bar)
Resolution
1)
0.001 m; 0.1 cm; 0.01 ft; 0.1 inch
0.0001 bar; 0.001 psi
Accuracy (lin hysteresis) ± 0.05 % full scale
Long-term stability (lin hysteresis) ± 0.1 %/a full scale
Zero ± 0.1 % full scale
Overload-resistant without permanent mechanical
damage (Pressure sensor)
0 ... 0.4 bar 4 bar
0 ... 1 bar 10 bar
0 ... 2 bar 15 bar
0 ... 4 bar 25 bar
0 ... 10 bar 40 bar
Units m, ft, inch, bar, psi, pascal
Pressure sensor ceramic; temperature-compensated
Temperature-compensated operating range –5 °C … +45 °C (ice free)
Temperature
Measuring range –25 °C ... +70 °C
Resolution 0.01 °C
Accuracy ±0.1 °C
Units °C · °F
Power supply Lithium battery, D type, 3.6 V / 13 Ah or
Lithium battery, DD type, 3.6 V / 26 Ah or
2 x 1.5 V alkaline battery (C cell)
2)
Conductivity
Measuring ranges 0.001 … 2.000 mS/cm
0.10 … 100.00 mS/cm
Resolution
0.001 … 2.000 mS/cm 0.001 mS/cm
0.10 … 100.00 mS/cm 0.01 mS/cm
Accuracy
0.001 … 2.000 mS/cm ±0.5 % of measured value (at least ±0.001 mS/cm)
0.10 … 100.00 mS/cm ±1.5 % of measured value (at least ±0.01 mS/cm)
Units
0.001 … 2.000 mS/cm mS/cm · µS/cm
0.10 … 100.00 mS/cm mS/cm
Current consumption
Sleep mode 110 µA
Read (IrDA) 76 mA
Measuring operation 65 mA
Mobile communication active, receiving 13 mA
Mobile communication active, transmitting 160 mA
Lifetime (1 hour sample interval, one transfer per day)
Lithium battery (26 Ah) > 10 years minimum
Lithium battery (13 Ah) > 5 years minimum
Alkaline batteries
2)
> 1 year minimum (high quality battery types).
Clock
Design Real-time clock
Accuracy ±8 seconds/month (at +25 °C)
Buffer period for battery replacement 7 minutes max.
1)
For value ranges ±32.750 m; ±3275.0 cm; ±327.50 ft; ±3275.0 inch; ±3.2750 bar; ±32.750 psi
2)
for OTT ecoLog 800 (not suitable for OTT ecoLog 800 3G)
50
Summary of Contents for ecoLog 800
Page 1: ...Operating instructions Groundwater Datalogger OTT ecoLog 800 OTT ecoLog 800 3G English...
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