![background image](http://html2.mh-extra.com/html/yokogawa/ph450g/ph450g_technical-information_3473787005.webp)
HART Communication
5
TI 12A01A01-60EN
In the following list, those items with brackets [ ] or [()] are valid when the parameters are set as described
in those brackets.
PH450G
Parameter
R/W
Parameter
Value
Unit
Note
Process Values
PV
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R
―
pH
SV
R
―
ッ
-C
ッ
-F
Note
TV
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP, rH)]
R
―
mV
Zoom
Zoom sensor
Zero
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R
―
mV
Slope
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R
―
%
Sensor mV
[Sensor type: pH, pH+ORP]
R
―
mV
ORP zero
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R
―
mV
ORP slope
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R
―
%
ORP sensor mV
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R
―
mV
rH zero
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R
―
mV
rH slope
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R
―
%
rH sensor mV
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R
―
mV
Impedance 1
[Input 1 impedance: Low]
R
―
kOhm
Impedance 2
[Input 2 impedance: Low]
R
―
kOhm
Zoom output
mA1 value
R
―
mA
mA2 value
R
―
mA
S1 perc
R
―
%
S2 perc
R
―
%
S3 perc
R
―
%
S4 perc
R
―
%
Zoom device
Serial number
R
―
Software Revision
R
―
Device Revision
R
―
Logbook
―
―
―
Calib/wash
―
―
―
Oct. 03, 2017-00