Thermo Scientific AquaSensors
™
AquaClear
™
Low Range Turbidimeter User Guide
13
Figure 3.2: The measure screen when the
DataStick is absent.
Table 4.1: AV38 Main Menu Functions
When the DataStick or communications adapter are not connected to the AV38 display, the measure screen
indicates the fault as shown in Figure 3.2.
Refer to the AV38 Manual for detailed information on User Interface operation.
5.
MENU STRUCTURE
Pressing the menu key while a measure screen is displayed accesses the main menu. The items in the main
menu are the same regardless of the type of sensor head that is installed in the DataStick. Table 4.1 shows all
accessible functions including optional features.
Main Menu Option
Function
Calibrate
(Station Number)
Sensor calibration choices are automatically available for installed sensor head.
Enter the MENU from the measure display of interest – station in lower right.
Configure
(Station Number)
Configuration choices are automatically available for the installed sensor head.
Enter the MENU from the measure display of interest – station in lower right.
DataStick Comms
Set the station address, baud rate and parity for the Modbus DataStick of
interest.
Chlorine Configure
Select total, HOCL or OCL
-
concentration for output. Select pH compensation –
manual set or active measure. (Only when Chlorine DataStick Present).
Hold Outputs
Holds the 4-20 mA and Relay outputs
Analog Output 1
Set 4 mA and 20 mA values. Calibrate and test the current output with a meter.
Analog Output 2 (option)
Set 4 mA and 20 mA values. Calibrate and test the current output with a meter.
PID Controller
Set up PID control functions for analog outputs. Available with pH or
Conductivity.
Relay A (option)
Set timer, alarm, or control functions. (Optional)
Relay B (option)
Set timer, alarm, or control functions. (Optional)
Help
Indicates AV38 software version
Reset AV38
Resets AV38 configuration to default current output, relay and PID settings.
Exit
Returns to the measure screen
DataStick
Absent
MENU
ESC
ENTER
