VIKING-PH125
Accurate, robust and easy to use — ±0.01 pH accuracy, ATC/MTC,
1–5 point auto calibration (USA/NIST), ±1999.9 mV range, 5.0″ color
touch-screen, and memory for 500 sets of compliant reporting.
-2.00…20.00 pH range
0.01 pH resolution
±0.01 pH accuracy
ATC/MTC Temp Compensation
- Digital 3-in-1 Electrode
- 5.0″ Color Touch-screen
- Direct measurement readout by pH, mV, Rel.mV
Typical Applications
- Water & wastewater labs (drinking, process, effluent)
- Food & beverage QC, dairy, agriculture
- Pharma & biotech buffers, process control
- Education & research laboratories
Technical Specifications
| pH Range | -2.00 – 20.00 pH |
|---|---|
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV (ORP) Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | −30.0 to 105 °C (ATC/MTC) |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration | Automatic, 1–5 points (USA/NIST buffers); one-key calibration |
| Calibration Assist | Electrode slope preview; graphical calibration curve; slope & usage status |
| Display | 5.0″ color touch-screen (0.01 grade) |
| Display Info | Synchronous display of pH, temperature & buffer value |
| Data Memory | Up to 500 sets; power-off protection |
| Statistics | Summarize, review, analyze, compare and preserve results |
| Interface | RS232; optional printer |
| Power | 9–12 V external adapter |
| Dimensions / Weight | Benchtop format; with electrode holder |
What’s in the box
- VIKING-PH125 instrument
- Digital 3-in-1 pH electrode
- Electrode holder & base
- pH buffer solutions (pH 4.01, 7.00, 10.01)
- Temperature probe (if applicable), AC adapter
- Quick start guide
*Kit contents may vary by configuration.
Compliance & GLP
Automatic buffer recognition, calibration record, date/time stamped data and PC export help meet routine QA/GLP workflows.
Electrode options
General purpose glass, low-temperature, low-ionic strength, TRIS-compatible and spear-tip electrodes are available.
Service & support
Local calibration, replacement electrodes and buffers available from COLO-Lab.
FAQ
How many calibration points are supported?
Supports 1–5 point automatic calibration with USA or NIST buffer sets.
Does it measure ORP?
Yes, mV/Rel.mV mode covers ±1999.9 mV with an optional ORP electrode.
Is temperature compensation automatic?
Yes, ATC is built in; manual (MTC) is also available.
Downloads
Request a Quote
Tell us your application (sample type, temperature range, expected pH
range, required accuracy), and we’ll propose the best electrode and buffer set.
SKU: PRO5357 • Category: pH Meters • Tags: benchtop, pH, ORP, ATC, laboratory
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