Experiment suggestions, Specifications (ps-2163) – PASCO PS-2163 Soil Moisture Sensor User Manual
Page 7
®
Model No.PS-2163
Setup
7
Sample Calibration Data
Experiment Suggestions
•
Measure soil moisture over time.
•
Evaluate soil moisure content for various species of plants to determine the opti-
mal level of soil moisture.
•
Examine soil moisture content in a greenhouse to determine the amount of irriga-
tion.
Specifications (PS-2163)
Sensor
voltage
output (mV)
Sample
volume (cm
3
)
Mass of
container +
moist soil (g)
Mass of
container +
dry soil (g)
Volume of
water (cm
3
)
VWC
(cm
3
/cm
3
)
1
664
15.31
94.836
94.215
0.621
0.0406
2
764
15.31
96.433
95.194
1.239
0.0809
3
902
15.31
96.923
94.785
2.138
0.1396
4
1030
15.31
101.979
98.834
3.145
0.2054
5
1318
15.31
100.402
95.873
4.529
0.2958
6
1374
15.31
101.060
95.886
5.174
0.3379
Sensor Range
0 to 45% volumetric water content in soil
Accuracy
± 4%
Resolution
0.1%
Power
3 mA at 5 V DC
Operating Temperature
-40 to + 60 °C
Default Sample Rate
10 samples per second