1.3
Specifications
Rosemount
™
Hx338+ pH Sensor Specifications
Table 1-1:
Rosemount Hx338+ Sensor specifications
Materials and units
Operating temperature range
0 to 140 °C (32 to 283 °F)
Pressure range
0 to 6 bar
pH range
0 to 14
Measuring method
Combination electrode
pH potential measured against reference electrode
Wetted materials
pH electrode
Glass
O-ring
EPDM (FDA approved)
Operations parameters
Process connection
PG 13.5
Electrical connector
Variopol (VP 6.0)
Minimum conductivity of sample
100 µS/cm
Zero-point
0 ±20 mV
Sensitivity
57 - 59 mV / pH at 25 °C (77 °F)
Electrolyte
Pressurized
Temperature sensor
Pt-100
WARNING!
Do not exceed temperature and pressure limitations of 140 °C (284 °F) and 6 bar.
WARNING!
Before removing the sensor, be absolutely certain that the process pressure is reduced to 0
psig and the process temperature is lowered to a safe level!
WARNING!
CORROSIVE SUBSTANCE
Hydrofluoric acid and the mixture of hydrochloric acid and thiorea is toxic and highly corrosive.
Avoid skin contact; wear protective gloves. Use only in a well-ventilated area. Do not inhale
fumes. In case of an accident, consult a doctor immediately.
Plan
2
Quick Start Guide