COLO.Science — WATER QUALITY / ELECTROCHEMISTRY — VIKING-PH125
VIKING-PH125 Laboratory pH Meter
VIKING-PH125 Laboratory pH Meter is a reliable benchtop pH/mV instrument for routine laboratory pH, mV, relative mV and temperature measurement. With a 5.0″ color touchscreen, ±0.01 pH accuracy, 1–5 point calibration with USA/NIST buffer recognition, ATC / MTC temperature compensation, GLP-compliant data storage for 500 results and RS-232 output, VIKING-PH125 is suitable for water quality laboratories, food and beverage QC, educational laboratories and general electrochemistry workflows.
5.0″ color touchscreen
±0.01 pH accuracy
1–5 point calibration
USA / NIST buffers
ATC / MTC
GLP 500 results
RS-232
COLO.SCIENCE — BENCHTOP PH / MV / REL.MV METER
Benchtop laboratory pH meter with 5.0″ touchscreen and 1–5 point calibration
The VIKING-PH125 laboratory pH meter is designed for laboratories that require a practical and easy-to-use benchtop pH/mV meter for routine daily measurements. It combines 0.01 pH resolution, ±0.01 pH accuracy, automatic buffer recognition and a clear 5.0″ color touchscreen for intuitive operation.
With 1–5 point calibration, USA/NIST buffer groups, ATC / MTC temperature compensation, mV and relative mV measurement modes, GLP-compliant data storage for 500 results and RS-232 interface, VIKING-PH125 is suitable for water quality testing, food and beverage QC, research, education and routine laboratory electrochemistry.
Key features
- Laboratory pH/mV meter for routine pH, mV, relative mV and temperature measurement.
- 5.0″ color touchscreen for clear display and intuitive menu navigation.
- pH range from −2.00 to 20.00 pH with 0.01 pH resolution.
- ±0.01 pH accuracy for reliable routine laboratory measurements.
- 1–5 point automatic calibration with USA/NIST buffer recognition.
- ATC / MTC temperature compensation for flexible operation with or without temperature probe.
- GLP-compliant storage for 500 results and power-off data protection.
- RS-232 interface for printer or PC connection.
Suitable for
- Routine pH measurement in water quality laboratories.
- Drinking water, process water and wastewater control.
- Food and beverage QA/QC laboratories.
- Educational and teaching laboratories using pH and mV measurement.
- ORP / redox checks with suitable electrodes.
- General laboratory workflows requiring GLP-ready pH data storage.
TECHNICAL SPECIFICATIONS — VIKING-PH125 LABORATORY PH METER
| Model | VIKING-PH125 |
| Product type | Laboratory pH / mV / Rel.mV meter |
| Display | 5.0″ color touchscreen |
| Measurement modes | pH / mV / Rel.mV / Temperature |
| pH range | −2.00 to 20.00 pH |
| pH resolution | 0.01 pH |
| pH accuracy | ±0.01 pH |
| Calibration | 1–5 point automatic calibration |
| Buffer recognition | USA / NIST buffer groups; 5 groups / 25 buffers; automatic buffer recognition |
| Calibration support | Slope preview and graphical calibration curve |
| mV / ORP range | −1999.9 to 1999.9 mV |
| mV resolution | 0.1 mV |
| mV accuracy | ±1 mV |
| Relative mV | Selectable Rel.mV mode |
| Temperature range | −30.0 to 105.0 °C |
| Temperature resolution / accuracy | 0.1 °C · ±0.2 °C |
| Temperature compensation | ATC / MTC |
| Data storage | 500 results / data sets, GLP-compliant |
| Power-off protection | Yes, prevents data loss |
| Interface | RS-232 for printer or PC connection |
| pH input | BNC, input impedance >3×10¹² Ω |
| Temperature probe input | Cinch, NTC 30 kΩ |
| Power supply | External adapter, 9–12 V DC |
| HTML TechSpec | Open VIKING-PH125 technical specification |
Final measurement performance depends on electrode type, buffer quality, sample matrix, temperature compensation mode, calibration procedure, electrode condition and laboratory SOP. Electrode type, buffer set, temperature probe, RS-232 accessories and final kit contents should be confirmed before quotation.
pH, mV / Rel.mV and temperature workflow
pH measurement
−2.00 to 20.00 pH range with 0.01 pH resolution and ±0.01 pH accuracy for routine laboratory pH measurement.
mV / ORP / Rel.mV mode
−1999.9 to 1999.9 mV range with 0.1 mV resolution supports ORP, redox and relative mV workflows when a suitable electrode is used.
Multi-point calibration
1–5 point calibration with USA/NIST buffer recognition, slope preview and graphical calibration curve for routine QA/QC checks.
GLP data handling
GLP-compliant storage for 500 data sets and RS-232 interface support documentation, reporting and data transfer.
MODEL SELECTION NOTE
VIKING-PH125 is a touchscreen routine laboratory pH/mV meter
VIKING-PH125 is suitable when the laboratory needs a benchtop pH/mV meter with touchscreen operation, 1–5 point calibration, ATC / MTC flexibility and GLP-ready data storage. For higher-resolution pH work, larger data memory or advanced method functions, a higher VIKING pH model may be selected.
COLO.SCIENCE KNOWLEDGE
Learn more about laboratory water quality analysis
Explore COLO.Science resources covering pH meters, conductivity meters, dissolved oxygen measurement, ion-selective electrodes and multi-parameter water quality analyzers.
VIKING-PH125 Laboratory pH meter – Applications and laboratory value
Water quality laboratories
VIKING-PH125 supports pH, mV and ORP measurement in drinking water, process water and wastewater control.
Food and beverage QC
Stable pH measurement, buffer recognition and ATC / MTC compensation support routine QC checks in food, beverage, dairy and agricultural laboratories.
Teaching laboratories
The 5.0″ color touchscreen, graphical calibration curve and straightforward workflow make the instrument suitable for education and student laboratory use.
GLP-ready documentation
Storage for 500 GLP-compliant results and RS-232 output help laboratories document routine measurement results.
How to choose the correct VIKING-PH125 configuration
When selecting a laboratory pH meter, the laboratory should define the expected pH range, required accuracy, sample temperature range, electrode type, buffer set, data recording requirements and whether mV / ORP or relative mV measurement is required. VIKING-PH125 is suitable when reliable routine pH measurement, ±0.01 pH accuracy, touchscreen operation, ATC / MTC and 1–5 point calibration are required.
The final kit should be selected according to the sample type. Standard glass pH electrodes may be suitable for general aqueous samples, while spear, low-ionic, food, flat-surface or special electrodes may be needed for specific applications. COLO.Science can support electrode selection, buffer set selection and accessory configuration before quotation.
VIKING-PH125 as a laboratory pH meter for routine pH and mV measurement
VIKING-PH125 Laboratory pH Meter is useful when a laboratory needs one reliable benchtop instrument for everyday pH, mV, relative mV and temperature measurement. The 5.0″ color touchscreen, ±0.01 pH accuracy and 1–5 point calibration workflow make the instrument practical for daily measurement work and quality-control checks.
The combination of −2.00 to 20.00 pH range, −1999.9 to 1999.9 mV range, ATC / MTC temperature compensation, GLP-compliant 500-result memory, RS-232 output and graphical calibration support makes VIKING-PH125 a practical benchtop solution for water quality testing, food and beverage QC, education, research and routine laboratory electrochemistry.
Configuration notice — electrode and delivery kit must be confirmed
VIKING-PH125 should be selected according to measurement range, electrode type, sample matrix, temperature compensation requirements, buffer set, logging needs and data export requirements. Available electrode configuration, buffer solutions, temperature probe, RS-232 accessories, printer or PC connection accessories and final kit contents should be confirmed before quotation. The content shown on this website is provided for general information and may not represent the final delivered configuration.
VIKING-PH125 — laboratory pH/mV meter with 5.0″ color touchscreen
A reliable laboratory pH/mV meter for routine pH, ORP, relative mV and temperature workflows — with 5.0″ color touchscreen, ±0.01 pH accuracy, 1–5 point calibration, ATC / MTC, GLP 500-result memory, RS-232 output and support from COLO.Science.
