Instruction manual

OBS-3+ and OBS300 Suspended Solids and Turbidity Monitors

5. Under the Available Sensors and Devices list, select the Sensors |

Water | Quality folder. Select OBS3+/OBS300 Turbidity Sensor. Click

to move the selection to the Selected device window. Select your

sensor’s Low and High NTU Range and Maximum Voltage Output.

You can use the default value (V) for the Coefficients based on signal

voltage in units of. Enter the Low Range Coefficients and High Range

Coefficients according to your calibration sheet (see Section 7.5,

Calibration Certificate).

6. After selecting the sensor, click at the left of the screen on Wiring

Diagram to see how the sensor is to be wired to the datalogger. The

wiring diagram can be printed out now or after more sensors are added.

7. Select any other sensors you have, then finish the remaining Short Cut

steps to complete the program. The remaining steps are outlined in Short

Cut Help, which is accessed by clicking on Help | Contents |

Programming Steps.