Option Description
Flow Settings Configures the sensor settings that are used to calculate the flow.
Application Settings
(US900x)
Configures the sensor settings that are used to control the sensor operation.
Advanced Settings Configures the optional, advanced sensor settings.
Restore Defaults Sets the sensor settings and the sensor calibration back to the factory defaults.
Table 4 Configuration options—pH sensor
Option Description
Basic Settings
AC Frequency Selects the power line frequency to get the best noise rejection. Options: 50 or 60 Hz (default).
Always On Sets the sensor to operate continuously or to only operate during the data logging interval for the
sensor. Options: Enabled (default) or Disabled. Select Disable to increase the battery life.
Table 5 Configuration options—US900X ultrasonic sensor
Option Description
Basic Settings
Sensor Type Selects the sensor type. Options: Downlooking or In-Pipe.
Sediment Enters the level of sediment in the bottom of the channel. Options: 0.00 to 0.30 m (0.00 to
12.00 in.).
Level Offset
(optional)
Enters the difference between the measured level and the actual level. Options: –0.61 to
0.61 m (–24.00 to 24.00 in.). Use Level Offset to correct an offset error without having to do
a calibration.
Adjust Level Completes a distance measurement to use for level adjust.
Flow Settings
Device Selects the primary device. Enters the device specifications. Refer to Table 7.
Application Settings
Filter Size Selects the number of readings the sampler does and averages for one data point. Options:
1 to 50 (default: 16).
Reject High Selects the number of the highest values that are discarded. Options: 0 to 49 (default: 4).
For example, if the filter size is 16 and the reject high and reject low values are 4, the
sensor collects 16 measurements and discards the highest 4 and the lowest
4 measurements. The other 8 values are used to calculate the average data point of level.
Reject Low Select the number of the lowest values that are discarded. Options: 1 to 49 (default: 4).
Number of Holds Selects the number of times the last recorded data point is saved to the log if a failed
reading occurs due to echo loss. Options: 0 to 15 (default: 4).
For example, if the number of holds is 5, the last data point replaces the next five
consecutive failed readings or until a successful reading occurs.
Median Filter Selects the number of data points used in the median filter. The sampler takes median of 3,
5, 7, 9 or 11 data points to decrease noise or outliers (default: None). Only the median
values are logged. Raw data values are not logged.
Advanced Settings
Sample Rate Selects the number of measurements done per second. Options: 1 to 10 (default:
4 seconds).
English 7
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