Hach AS950 AWRS, Основные операции

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Option Description
Rain and
RS485 Port Configures the Rain port for connection to the Hach tipping bucket rain gauge or
RS485 communications. Options: Rain or RS485.
When RS485 is selected, sets the Modbus address (1 to 255), the baud rate (9600,
19200, 38400, 57600 or 115200) and the parity (None, Even or Odd).
Thermal (AWRS
sampler) Sets the temperature inside the AWRS refrigerated cabinet. Options: 2.00 to 10.00 °C
(default: 4.00 °C). Calibrates the temperature inside the AWRS refrigerated cabinet.
Configure the sensors
1. Push MENU .
2. Select Hardware Setup>Configure Sensors>[Select Sensor].
3. Select an option.
Note: Not all of the options that follow apply to all sensors.
Refer to Table 4 for descriptions of all the pH sensor settings. Refer to Table 5 for descriptions of
all the US900x sensor settings. Refer to Table 6 for descriptions of all the AV9000 sensor
settings.
Option Description
Setup Wizard Configures all the sensor settings. Calibrates the sensor. Obey the screen
prompts to complete the procedures. Refer to
Calibrate the sensors
on page 18.
Calibration Calibrates the sensor. Refer to Calibrate the sensors on page 18.
Basic Settings Configures the basic sensor settings.
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.
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