COLO.Science — Electrochemistry · pH meters
VIKING-PH125 Benchtop pH Meter
VIKING-PH125 is a benchtop pH meter with a 5″ colour touchscreen for pH, ORP and relative mV: −2.00–20.00 pH, ±0.01 pH, 1–5 point calibration from 25 buffers, calibration reminder, 1000-result GLP memory, USB and RS-232.
Overview
Applications
- Quality control: pH of raw materials, intermediates and finished products.
- Water and environment: drinking water, wastewater and surface water.
- Food and agriculture: food, beverages, soil extracts and nutrient solutions.
- Teaching laboratories: routine pH and ORP exercises.
Why VIKING-PH125
- pH accuracy: ±0.01 pH
- Calibration: 5 buffer groups (25 buffers), auto recognition, custom buffers, calibration reminder 1–1000 h
- Data memory: 1000 results, GLP
- Data output: RS-232 and USB (printer optional)
Technical specifications
| Model | VIKING-PH125 |
| SKU | PRO5357 |
| Display | 5.0″ colour touchscreen |
| Measurement modes | pH / mV (ORP) / relative mV |
| pH range | −2.00 to 20.00 pH |
| pH resolution | 0.01 pH |
| pH accuracy | ±0.01 pH |
| mV range | −2000.0 to 2000.0 mV |
| mV resolution | 0.1 mV |
| mV accuracy | ±1 mV (0.05 % FS) |
| Temperature range | −30.0 to 105.0 °C (ATC / MTC) |
| Temperature accuracy | ±0.2 °C |
| Calibration | 5 buffer groups (25 buffers), auto recognition, custom buffers, calibration reminder 1–1000 h |
| Calibration points | 1–5 |
| Data memory | 1000 results, GLP |
| Endpoint mode | Auto / manual |
| Extras | Continuous mode; live curve pH or mV vs. reading number |
| Data output | RS-232 and USB (printer optional) |
| Inputs | pH: BNC (>3 × 10¹² Ω); temperature: Cinch, NTC 30 kΩ |
| Power supply | 220 V AC 50/60 Hz, 9–12 V DC |
| Dimensions | 250 × 165 × 65 mm |
| Electrode holder | 360°, height ≈ 320 mm, reach ≈ 400 mm |
ELECTRODES AND ACCESSORIES
Electrodes and accessories for the VIKING-PH125 benchtop pH meter
The VIKING-PH125 is delivered with a 3-in-1 pH electrode (pH + temperature, BNC + Cinch), electrode holder, pH buffers 4.01 / 6.86 / 9.18 and 3 mol/L KCl filling solution.
—
3-in-1 pH electrode
Combined pH electrode with built-in temperature sensor; BNC + Cinch (NTC 30 kΩ) connectors, refillable 3 mol/L KCl.
Standard delivery
—
pH buffers 4.01 / 6.86 / 9.18
Three standard buffer solutions for the first calibration.
Standard delivery
—
Electrode holder
Holder arm with 360° rotation, height ≈ 320 mm, reach ≈ 400 mm; mounts on the meter base or a stand-alone base.
Standard delivery
More electrodes and accessories
- 3 mol/L KCl filling solution
- ORP electrode (platinum)
- RS-232 printer
Tell us your sample and we will confirm the right electrode for your VIKING-PH125 benchtop pH meter. Full electrode range: Electrochemistry catalogue →
Selection guidance
VIKING-PH125 is chosen for daily laboratory pH with touchscreen operation, GLP memory and USB. COLO.Science helps you choose the electrode and consumables.
Configuration checklist
- Resolution: 0.01 pH for routine work, 0.001 pH for research and pharma.
- Documentation: GLP memory, USB and printer output.
- Samples: viscous, low-conductivity or hot samples may need a special electrode.
Sales and support for international customers
COLO Lab ExpertsPolje ob Sotli 4, SI-3255 Buče, Slovenia
Phone: +386 70 713 437 · Email: sales@colo.si · Web: colo.si
We supply laboratories across Europe directly and through partners. B2B prices are quoted net, excluding VAT.
