PASCO PS-2169 Water Quality MultiMeasure Sensor - Manual (Page 9)

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M o d e l N o . P S - 2 1 6 9 S p e c i f i c a t i o n s
9
Specifications
General
Component Sensors Temperature, Conductivity, pH/ISE/ORP probe voltage, Dissolved Oxygen
Max. Sampling Rate 20 samples per second (for each component sensor)
Default Sampling
Rate 2 samples per second
Temperature
Range −35 °C to +135 °C
Accuracy ±0.5 °C
Resolution 0.01 °C or better
Sensing Element 10 k Ω thermistor located in probe tip
Conductivity
Range three user-selectable ranges:
0 to 1000
µS/cm, 0 to 10000 µS/cm, 0 to 100000 µS/cm with included 10x probe
0 to 100 µS/cm, 0 to 1000 µS/cm, 0 to 10000 µS/cm with optional 1x probe
Accuracy ±10% of full scale without calibration
Resolution better than 0.05% of full scale
pH/ISE/ORP probe voltage
Electrode Connector standard BNC
Input Resistance 1012 Ω
Voltage Range −2000 mV to +2000 mV
Voltage Resolution 0.1 mV
pH Range 0 to 14
pH Resolution 0.001
Dissolved Oxygen
Range 0 to 20 mg/L
Accuracy ±0.2 mg/L after calibration
±2 mg/L without calibration
Resolution 0.01 mg/L
Temperature Range 0 °C to 50 °C