Reliable handheld water quality measurement
The MC-W05 5-in-1 Water Quality Testing Pen is a compact, handheld instrument designed for quick and reliable measurement of key water quality parameters. It is ideal for professionals who need fast spot-checks without the complexity of a benchtop meter.
Measures five parameters in one instrument
- pH
- Electrical conductivity (EC)
- Total dissolved solids (TDS)
- Salinity
- Temperature
The pen-style format makes the MC-W05 easy to carry, deploy, and store wherever water quality needs to be verified.
Intended use – instrument only
The MC-W05 is supplied as a standalone measuring instrument and is suitable for:
- Replacement meters
- Spare instruments
- Multi-site or multi-user environments
- Routine field checks
For accurate measurements, calibration is required before use.
If you require a complete ready-to-use solution including calibration buffers, conductivity standards, and labelled measurement cups, see the MC-W05-SYS 5-in-1 Water Quality Testing System.
Correct probe care – included as standard
To protect the pH electrode and maintain long-term accuracy, the MC-W05 includes potassium chloride (KCl) probe storage solution.
Important:
pH probes must be kept moist when not in use.
Distilled or deionised water must not be used for storage, as this can permanently damage the probe.
Optional quality assurance – recommended for professional use
For added confidence, you may select Pre-Shipment Instrument Verification, where your instrument or probe is bench-checked by Meascom prior to dispatch to confirm correct operation.
- This optional service is particularly recommended for:
- Replacement probes
- Critical measurements
- Professional and commercial users
What’s included
- MC-W05 5-in-1 water quality testing pen
- Potassium chloride (KCl) probe storage solution
- Protective probe cap
- User instructions
- When to choose the MC-W05-SYS instead
Choose the MC-W05-SYS 5-in-1 Water Quality Testing System if you require:
- Calibration buffers
- Conductivity standard (1413 µS/cm)
- Labelled measurement cups
- A complete professional setup ready for use out of the box
Meascom — Measure With Confidence




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