COLO.Science — WATER QUALITY / ELECTROCHEMISTRY — PRO6142
Low Maintenance pH Composite Electrode PRO6142
PRO6142 low maintenance pH composite electrode is a premium unfillable pH electrode for routine laboratory and water quality measurement. The electrode combines a 0–14 pH range, Longlife reference system, open junction, polycarbonate body, 0–80 °C working temperature and standard BNC(Q9) connector in a compact Ø12 × 120 mm format. It is designed for laboratories that want reliable pH measurement with reduced routine maintenance and no electrolyte refilling.
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COLO.SCIENCE — PH ELECTRODES / ELECTROCHEMISTRY / WATER QUALITY
Premium unfillable pH electrode for low-maintenance laboratory measurement
The PRO6142 low maintenance pH composite electrode is intended for routine laboratories, education, process sampling and water quality workflows where users need a practical pH electrode without electrolyte refilling. Its unfillable construction simplifies day-to-day handling, while the open junction design supports reliable contact with aqueous samples.
PRO6142 uses a BNC(Q9) connector for standard pH meter input compatibility. Before ordering, the connected meter should be checked for BNC/Q9 input, expected pH range, working temperature, sample matrix and electrode holder compatibility.
Key features
- Low maintenance pH composite electrode for reduced routine care.
- Premium unfillable design — no electrolyte refilling required.
- pH range 0–14 for general laboratory measurement.
- Longlife reference system for routine pH electrode workflows.
- Open junction for stable sample contact and reduced clogging risk.
- Polycarbonate body in Ø12 × 120 mm format.
- 0–80 °C working temperature for broader routine use.
- BNC(Q9) connector for compatible pH meters.
Suitable for
- Routine laboratory pH measurement in aqueous samples.
- Water quality testing and everyday sample control.
- Educational laboratories and pH calibration practice.
- Industrial sampling where a robust pH electrode is needed.
- Laboratories that prefer an unfillable electrode with less handling.
- Replacement electrode selection for pH meters with BNC(Q9) input.
TECHNICAL SPECIFICATIONS — PRO6142 LOW MAINTENANCE PH COMPOSITE ELECTRODE
| Model / SKU | PRO6142 |
| Product type | pH composite electrode |
| Product name | pH composite electrode — Low Maintenance |
| pH range | 0–14 pH |
| Reference type | Longlife reference |
| Fill solution | Unfillable |
| Sensor / body material | Polycarbonate |
| Junction material | Open junction |
| Working temperature | 0–80 °C |
| Dimension | Ø12 × 120 mm |
| Connector type | BNC(Q9) |
Final measurement performance depends on the pH meter, electrode condition, buffer quality, sample matrix, temperature conditions, storage procedure and laboratory method. Connector compatibility must be confirmed before quotation.
Low maintenance electrode structure and practical laboratory use
Unfillable design
The unfillable construction removes the need for regular electrolyte refilling. This makes PRO6142 practical for busy laboratories, routine pH measurement and users who prefer simpler electrode handling.
Open junction
The open junction supports stable contact between the reference system and sample. It is useful for routine aqueous samples and helps reduce clogging compared with narrow junction designs.
Longlife reference
The Longlife reference system is intended to support consistent routine pH measurement when the electrode is correctly calibrated, rinsed, stored and matched with the selected pH meter.
VISUAL REFERENCE — ELECTRODE BODY AND BNC(Q9) CONNECTOR
PRO6142 electrode body, polycarbonate material and BNC(Q9) connector
Main electrode: PRO6142 low maintenance pH composite electrode with unfillable design, open junction and polycarbonate body.
Connector detail: standard BNC(Q9) pH electrode connection. Meter compatibility must be confirmed before ordering.
COLO.SCIENCE VIDEO
PRO6142 video presentation is in preparation
The video will present low-maintenance electrode handling, BNC(Q9) connection, calibration workflow, open junction design, storage practice and practical use with compatible COLO.Science pH meters.
COLO.SCIENCE ELECTROCHEMISTRY
Match PRO6142 with compatible pH meters and electrochemical instruments
PRO6142 should be selected together with the meter input configuration. Use the electrochemical instruments overview and pH meter section to confirm compatible instrument families, pH electrode inputs and required accessories.
| Electrochemical Instruments | pH Meters |
COLO.SCIENCE KNOWLEDGE / OUTBOUND LINK
Learn more about pH measurement, calibration and water quality analysis
Correct pH measurement depends on electrode selection, calibration buffers, sample temperature, storage solution, sample type and routine maintenance. Explore additional electrochemistry and water quality resources before selecting the final configuration.
| Read on COLO.Science → | NIST reference → |
Applications and laboratory value
Water quality laboratories
PRO6142 is suitable for routine pH measurement in water quality workflows where a reliable low maintenance pH composite electrode is preferred.
Routine laboratory pH testing
The unfillable electrode configuration reduces routine handling and supports practical pH measurement with compatible benchtop or portable pH meters.
Education and training
PRO6142 is useful for teaching pH electrode structure, calibration practice, connector matching and the role of storage and maintenance in electrochemical measurement.
Replacement electrode selection
The electrode is relevant when the existing meter requires a BNC(Q9) pH signal connector and the laboratory wants a premium unfillable replacement electrode.
How to choose the correct low maintenance pH composite electrode
When selecting the PRO6142 low maintenance pH composite electrode, the complete measurement setup should be checked, not only the pH range. Confirm the meter model, BNC(Q9) input, sample type, expected working temperature, calibration procedure and electrode storage practice before ordering.
COLO.Science can help match PRO6142 with compatible pH meters, calibration buffers, electrode storage solutions and accessories so that the final configuration supports the intended laboratory method and daily measurement workflow.
PRO6142 low maintenance pH composite electrode for daily laboratory pH measurement
The PRO6142 low maintenance pH composite electrode is a practical electrode for laboratories that need full-range pH measurement with less routine handling. Its premium unfillable construction removes the need for electrolyte refilling, while the open junction and Longlife reference system support everyday laboratory use.
In daily use, the quality of pH measurement depends on more than the electrode specification. Buffer freshness, calibration frequency, sample temperature, electrode storage, junction condition and the selected pH meter all influence measurement stability. PRO6142 provides a robust low-maintenance electrode platform, while the final laboratory setup should be defined as a complete pH measurement system.
Configuration notice
pH electrodes may be delivered or used in different configurations depending on the selected pH meter, connector/cable arrangement, calibration solutions and accessories. The official quotation defines the final scope of supply. Website content is provided for general product presentation and may not represent the exact delivered configuration. Specifications may change without notice.
