Hanna Instruments HI 23 - Manual (Page 9)

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SETUP CODES
The following table lists the setup codes along with the descrip-
tion of the specific setup items, their valid values and whether
password is required to view that item (“PW” column):
Code Valid Values Default PW
00 Factory ID 0 to 9999 0000 no
01 Process ID 0 to 99 00 no
02 Control enable/disable 0: C.M. disabled 0 no
1: C.M. enabled
03 Range 1: 0.0-199.9 µS (or 100.0 ppm) 4 no
(depends on model) 2: 0-1999 µS (or 1000 ppm)
3: 0.00-19.99 mS (or 10.00 ppt)
4: 0.0-199.9 mS (or 100.0 ppt)
04 Reference Temperature 20°C or 25°C 25°C no
05 Temperature Coefficient 0.00 to 10.00 %/°C 2.00 no
06 Input Selection 0: conductivity probe 0 no
1: 4-20 mA input signal
07 Temperature ATC: Automatic ATC no
compensation User: Manual
08 TDS Factor 0.00 to 1.00 0.50 no
11 Relay 1 mode 0: disabled 0 no
(M1) 1: ON-OFF high setpoint
2: ON-OFF low setpoint
3: PID, high setpoint
4: PID, low setpoint
12 Relay 1 setpoint (S1) 0.5 to 99.5% full scale 25% f.s. no
13 Relay 1 hysteresis (H1) 0 to 5% f.s. 1% f.s. no
14 Relay 1 deviation (D1) 0.5 to 10% f.s. 1% f.s. no
15 Relay 1 reset time 0.1 to 999.9 minutes 999.9 no
16 Relay 1 rate time 0.0 to 999.9 minutes 0.0 no
Note The default password is set at “0000”.
• The LCD will display “SET” on the up-
per part and “c.00” on the lower, al-
lowing the user to edit setup param-
eters (see table below).
• Using the arrow keys as for the above password proce-
dure, enter the code of the parameter to set, e.g. 41.
• Confirm the code by pressing CFM and the default or the
previously memorized value will be displayed with the
first digit blinking.
Note When the password is not inserted or a wrong password is
confirmed, the display will only show the previously memo-
rized value, without blinking (read only mode). In this case,
the value cannot be set. Press LCD and start again.
• Enter the desired value using the arrow keys and then press
CFM.
• After confirmation, the selected parameter is
displayed. The user can scroll through the
parameters by pressing CFM.
• In order to directly set another param-
eter, press SETUP again and enter the
code or scroll to it by pressing CFM.