Hach POLYMETRON 8810, User Manual

Page: 31 / 58

1. Select ANALOG-OUT with the scrolling keys and press Enter . Select the type of
analog output:
Option Description
LINEAR Linear output
LOGARITHMIC Logarithmic output
DUAL RANGE Bilinear output
2. If linear output is selected:
Option Description
START XX.XXEXX Define the concentration corresponding to the 0 or 4 mA current for the
start of output scale 1.
END XX.XXEXX Define the concentration corresponding to the 20 mA current for the end
of output scale 1.
START XXX.XmV Define the potential corresponding to the 0 or 4 mA current for the start
of output scale 2.
END XXX.XmV Define the potential corresponding to the 20 mA current for the end of
output scale 2.
The choice between 0 and 4mA is available in the PMXXXX , Adjust Iout menu
option.
3. Define the output:
Option Description
OUT: Conc Output corresponds to the last measured values.
OUT: Full Output is set to 20 mA.
OUT: Zero Output is set to 0 or 4 mA.
Note: You can only exit this menu when the option Conc is displayed.
6.4 Set the alarms and thresholds (ALARM option)
The analyzer has three alarms which are allocated according to the definition of
WARNING/R1 :
WARNING/R1 set to NO WARNING/R1 set to YES
System alarm System and warning alarm System alarm only
Alarm 1 Alarm 1 Warning alarm
Alarm 2 Alarm 2 Alarm 1 and 2
The alarms are allocated to the channel depending on the number of channels in
operation:
2 Channels = NO 2 Channels = YES
Alarm 1
Channel 1
Channel 1
Alarm 2 Channel 2
1. Select ALARM with the scrolling keys and press Enter .
Option Description
SYS.ALARM ON/OFF Activate or deactivate the system alarm.
Menu overview
29