WATER LEVEL (PRESSURE) |
|
Measurement Range |
0 … 10 m, 20 m, 40 m, 100 m / 0 … 33 ft, 66ft, 131 ft, 328 ft |
Accuracy (linearity and hysteresis) |
±0.05 % full scale |
Accuracy (linearity and hysteresis) USGS OSW 0 … 10m / 0 … 1 bar variant |
±2 mm / 0 … 5 m (-5 … +55 °C)
±3 mm / 0 … 5 m (-20 … -5 °C; +55 … +70 °C)
±5 mm / 5 … 10 m (-20 … +70 °C)0.007 ft / 0 … 17 ft (+23 … +131 °F)
0.010 ft / 0 … 17 ft (-4 … +23 °F; +131 … +158 °F)
0.017 ft / 17 … 33 ft (-4 … +158 °F) |
Long-term stability (linearity and hysteresis) |
± 0.1%/full scale |
Units |
m, cm, mm, bar, mbar, kPa
ft, inch, psi |
Pressure Sensor |
Ceramic / temperature compensated |
Resolution |
0.001 m / 0.1 cm / 0.00001 bar / 0.01 mbar
0.001 ft / 0.001 in / 0.00001 psi |
Temperature-compensated operating range |
 -20 °C (ice-free) … +70 °C / -4 °F (ice-free) … +158 °F |
TEMPERATURE |
|
Measuring Range |
 -40 °C … +70 °C / -40 °F … +158 °F |
Resolution |
0.01 °C / 0.01 °F |
Accuracy |
±0.15 °C (Typ. ± 0.05 °C) / ±0.07 °F (Typ. ± 0.03 °F) |
Units |
°C / °F |
INTERNAL RELATIVE HUMIDITY |
|
Measuring Range |
0 … 100% RH (non-condensing) |
Resolution |
1% RH |
Accuracy |
± 3% (0 … 100% RH)
Typically ± 2% (10 … 80% RH) |
Units |
% RH |
COMMUNICATION |
|
Physical interfaces |
SDI-12 and RS-485 |
R5-485 protocols |
SDI-12 (V1.4), Modbus RTU |
POWER |
|
Supply voltage |
5.5 … 28.8 V, typically 12/24 V DC |
Power consumption – sleep |
< 250 µA; typically 15 µA |
Power consumption – active |
< 4mA; typically 2.9 mA |
MEASUREMENT |
|
Measured Values |
– Water level/water pressure
– Internal Relative Humidity
– Water temperature
– Position of sensor |
Value Processing |
– Average pressure or level over measurement interval
– Minimum pressure or level over measurement interval
– Maximum pressure or level over measurement interval
– Median pressure or level over measurement interval
– Standard deviation of pressure over measurement interval |
Derived Parameters |
Discharge |
Measurement Interval |
0.5 s … 59.5 s (1.5 s default) |
ENVIRONMENTAL |
|
Temperature range, operating |
-20 °C (ice-free) … +70 °C / -4 °F (ice-free) … +158 °F |
Temperature range, storage |
-40 °C … +80 °C / -40 °F … +176 °F |
Humidity |
0% … 100% |
IP rating (probe) |
IP68 |
DIMENSIONS/WEIGHT |
|
Pressure probe |
LxD: 194×22 mm / LxD: 7.7 x 0.9 in |
Cable length |
2 … 200 m, ± 1% / ± 5 cm // 7 … 656 ft, ± 1% / ± 0.17 ft
*Longer cable lengths available upon request. |
Pressure probe |
~650 g / ~22.9 oz |
Pressure probe cable |
~ 55 g/m // ~0.51 oz/ft |
MATERIAL |
|
Pressure probe housing |
POM, Stainless steel 1.4539 (904L); resistant to sea water |
Membrane |
AI203 ceramics |
Cable jacket |
PUR (UV resistant) |
REGULATORY |
|
FCC |
FCC/ICES Suppliers Declaration of Conformity (SDoC) FCC Part 15 Rules Section §15.109 |
CE |
IEC61326-1:2013 |
DIN EN ISO 4373 |
Measurement reliability / performance class 1 |