![background image](http://html2.mh-extra.com/html/yokogawa/ph450g/ph450g_technical-information_3473787007.webp)
HART Communication
7
TI 12A01A01-60EN
PH450G
Parameter
R/W
Parameter
Value
Unit
Note
Z e r o /
S l o p e
units
[Sensor
type:
pH]
Slope unit
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R/W
%
mV/pH
Limit
and
timing
Zero hi lim
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R/W
Numeric value
0.000000 to
9.000000
pH
[Zero unit: pH]
mV
[Zero unit: mV]
Zero lo lim
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R/W
Numeric value
9.000000 to
0.000000
pH
[Zero unit: pH]
mV
[Zero unit: mV]
Slope hi lim
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R/W
Numeric value
59.160000 to
65.080000
mV/pH
Slope lo lim
[Sensor type: pH] or
[Sensor type: pH+ORP (Meas
type: pH, pH+rH, pH+ORP)]
R/W
Numeric value
41.410000 to
59.160000
mV/pH
ORP Zero hi lim
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R/W
Numeric value
0.000000 to
1500.000000
mV
ORP Zero lo lim
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R/W
Numeric value
-1500.000000
to
0.000000
mV
ORP Slope hi lim
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R/W
Numeric value
100.000000 to
110.000000
%
ORP Slope lo lim
[Sensor type: ORP] or
[Sensor type: pH+ORP (Meas
type: ORP, pH+ORP)]
R/W
Numeric value
70.000000 to
100.000000
8
rH Zero hi lim
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R/W
Numeric value
0.000000 to
1500.000000
mV
rH Zero lo lim
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R/W
Numeric value
-1500.000000
to
0.000000
mV
rH Slope hi lim
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R/W
Numeric value
1 0 0 . 0 0 0 0 0 0 t o
110.000000
%
rH Slope lo lim
[Sensor type: pH+ORP (Meas
type: rH, pH+rH)]
R/W
Numeric value
70.000000 to
100.000000
8
Stab time
R/W
Numeric value
2 to 30
s
Cal int
R/W
Numeric value
1 to 250
d
Oct. 03, 2017-00