Quick Start Guide: Hx338 pH Steam Sterilizable and Autoclavable pH Sensor | Rosemount
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Loading...Rosemount Quick Start Guide: Hx338 pH Steam Sterilizable and Autoclavable pH Sensor | Rosemount Manuals & Guides
Rosemount™ Hx338
Steam Sterilizable and Autoclavable pH Sensor
Quick Start Guide
LIQ-QSG-Hx338, Rev M
July 2017
Safety Information
WARNING!
Do not exceed temperature and pressure limitations of 266 °F (130 °C) and 43 psig (600 kPa, 4 bar).
WARNING!
HIGH PRESSURE AND TEMPERATURE HAZARD
Before removing the senosr, reduce the process pressure to 0 psig and cool down the process temperature.
Failure to reduce the pressure and temperature may cause serious injury to personnel.
WARNING!
CORROSIVE SUBSTANCE
Internal electrolyte solution may cause skin or eye irritation.
WARNING!
TOXIC AND CORROSIVE SUBSTANCE
Hydrofluoric acid and the mixture of hydrochloric acid and thiourea is toxic and highly corrosive. Avoid skin contact and wear
protective gloves. Use only in a well-ventilated area. Do not inhale fumes. In case of an accident, consult a doctor immediately.
CAUTION!
EQUIPMENT DAMAGE
The wetted sensor materials may not be compatible with process composition and operating conditions. Application compatibility is
entirely your responsibility.
Contents
Contents
Chapter 1 Plan ..................................................................................................................................1
1.1 Unpacking ......................................................................................................................................1
1.2 Storage and handling ..................................................................................................................... 1
1.3 Specifications .................................................................................................................................1
Chapter 2 Install ...............................................................................................................................3
2.1 Installing the sensor ....................................................................................................................... 3
Chapter 3 Calibration and maintenance ...........................................................................................9
3.1 Two point buffer calibration ........................................................................................................... 9
3.2 Recommended pH sensor standardization ..................................................................................... 9
Chapter 4 Troubleshooting ............................................................................................................ 11
4.1 Cleaning or replacing the electrodes ............................................................................................ 11
4.2 Accessories .................................................................................................................................. 11
Rosemount Hx338 pH Sensor i
Contents
ii Quick Start Guide
1 Plan
1.1 Unpacking
Electrode preparation
1. Remove electrode from shipping container.
2. Remove the protective boot covering the electrode bulb.
3. Rinse away salt film with clean water and then shake the electrode so that the
internal solution fills the bulb, thus removing any air trapped there.
Note
Do not allow lubricant to coat electrode bulb or reference junction. If it does, wipe it clean
before installation.
Plan
1.2 Storage and handling
Proper storage and handling instructions of the electrodes must be followed to ensure
correct measurements.
1. Store the electrodes in their original shipping containers until needed.
2. Do not store at temperatures below -5 °C (23 °F).
3. Store the electrodes with a protective cap containing KCI solution (PN 9210342).
4. For overnight storage, immerse the sensor in tap water or 4 pH buffer solution.
5. Use the startup and calibration procedure described in Section 3.1 to properly
calibrate the sensors.
1.3 Specifications
SpecificationsTable 1-1:
Hx338 pH Sensor Specifications Materials and Units
Operating Temperature Range 32 to 266 °F (0 to 130 °C)
Maximum Pressure 43 psig (600 kPa abs, 4 bar)
pH Range 2 to 12 (0 to 14 short periods)
Wetted Materials Glass, EPDM (FDA approved), Ceramic (Diaphragm)
Process Connections PG 13.5 Threads
Cable Connector Single Pole S7 Connector Plug or VP6 Cable Connection
Minimum Conductivity of Sample 50 µS/cm
Rosemount Hx338 pH Sensor 1
Plan
2 Quick Start Guide
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