Metex P/R575 Fixed Insertion, Combination Style pH/ORP Sensors User Manual
Page 3

P / R 575 & 585
Page
2
2.0 SPECIFICATIONS
MEASURING RANGES:
pH: 0.01 to 14.00 pH
ORP: -1000 to +1000 mV
Consult factory for applications below 2.5 and above
12)
WETTED MATERIALS:
575 Series
CPVC body, ceramic junction, glass electrode, RTV
sealant (plus platinum for ORP)
585 Series
Epoxy body, CPVC compression fitting, ceramic
junction, glass electrode, RTV sealant (plus platinum
for ORP)
TEMPERATURE LIMITS:
-5 to 80°C (23 to 176°F)
MAXIMUM PRESSURE:
100 psig at 65°C
TEMPERATURE COMPENSATION:
P/R585 and P/R575: Not provided
P585K and P575K: Automatic
MAXIMUM FLOW RATE:
3 meters (10 ft.) per second
STABILITY:
pH:
0.05 pH / day
Non-cumulative
ORP: 3.0 mV / day
Non-cumulative
SENSITIVITY:
pH:
0.01 pH unit
ORP: 1.0
mV
SENSOR CABLE:
3 meters (10 ft.) coaxial, terminated with ring, terminal
on centre wire, other wires are tinned.