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Hach PHC281 User Manual

Hach PHC281
20 pages
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DOC022.53.80024
PHC281
05/2021, Edition 3
User Manual
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Hach PHC281 Specifications

General IconGeneral
Reference TypeAg/AgCl
Cable Length1 meter
ConnectorBNC
CategoryLaboratory Equipment
pH Resolution0.01 pH
ORP Range±2000 mV
Temperature Resolution0.1 °C
Temperature Accuracy±0.5 °C
DisplayNot applicable
Power SupplyNot applicable
Enclosure RatingIP67
DimensionsNot applicable
pH Range0 - 14 pH
Temperature Range0 to 80 °C
JunctionPTFE
Response Time< 30 seconds
Electrode TypeCombination glass electrode

Summary

Product Overview

Specifications

Safety Information

Intended Use

Defines the intended purpose and user base for the Intellical probes, focusing on laboratory water quality measurements.

Use of Hazard Information

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols to ensure safe operation and prevent injury or damage.

Precautionary Labels

Instructs users to read all labels and tags on the instrument and references symbols for precautionary statements.

Product Hazards

Highlights chemical exposure and personal injury hazards, including glass breakage, requiring appropriate safety measures.

Preparation for Use

Calibration

Calibration Notes

Provides essential notes and considerations before performing calibration, such as buffer solution use and air bubble removal.

Calibration Procedure

Details the step-by-step process for calibrating the pH probe using buffer solutions and the meter interface.

Sample Measurement

Sample Measurement Notes

Offers important notes for accurate sample measurements, including rinsing, data traceability, and avoiding air bubbles.

Sample Measurement Procedure

Guides users through the step-by-step process for taking sample measurements using the pH probe and meter.

Verify Calibration

Verification Procedure

Describes the procedure to verify the probe's calibration by measuring a fresh pH buffer solution for accuracy.

Maintenance

Clean the Probe

Details the process for cleaning the pH probe, including proper soaking and rinsing to maintain performance and prevent damage.

Fill the Probe

Explains how to add electrolyte filling solution to the probe to ensure proper electrolyte flow for accurate measurements.

Replace Filling Solution

Provides instructions for replacing contaminated filling solution to maintain probe performance and accuracy.

Soak Procedure for Dry Probes

Outlines the steps to rehydrate a dry glass bulb by soaking in buffer solutions for optimal probe performance.

Storage

Gives guidance on proper storage of the probe in the correct solution to prevent damage and maintain readiness for use.

Troubleshooting

Consumables

Recommended Standards

Lists recommended pH buffer solutions, powder pillows, and certified standards for calibration and verification.

Accessories

Details available accessories for the Intellical probes, such as beakers, holders, and cleaning supplies.

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