VIKING-PH150 Benchtop pH Meter (0.001 pH)
COLO.SCIENCE KNOWLEDGE
High-resolution pH and mV in water quality testing
Explore COLO.Science articles on pH theory, 0.001 pH resolution, calibration buffers, electrode care and good
laboratory practice in water and wastewater analysis, using real-world examples from COLO.Science
water quality applications.
TYPICAL APPLICATIONS
- Water and wastewater laboratories (drinking water, process water, effluent control).
- Food & beverage QC, dairy, agriculture and fermentation processes.
- Pharmaceutical and biotechnology labs (buffers, in-process control).
- Education and research laboratories teaching electrochemistry.
- Any lab requiring high-resolution pH/mV measurements with GLP-ready data.
MODEL & PARAMETERS
| Model | Measured parameters | Display & operation |
|---|---|---|
| VIKING-PH150 | pH, mV, Rel.mV and temperature with 0.001 pH resolution; automatic calibration up to 9 points with USA/NIST buffer recognition (9 buffer groups / 44 buffers); ATC/MTC temperature compensation; stability indicator and digital filtering for fast, stable readings. |
5.0″ color touch screen (0.001-grade display); touch operation for quick setup and data review; Auto/Manual/Timed endpoint modes; continuous measurement with dynamic curve display (pH vs No. / mV vs No.); GLP-oriented menus and data management. |
TECHNICAL SPECIFICATIONS (EXCERPT)
Measurement ranges & performance
| pH | Range: −2.000 to 20.000 pH; Resolution: 0.001 pH; Accuracy: ±0.002 pH. |
| mV | Range: −2000.0 to +2000.0 mV; Resolution: 0.01 mV; Accuracy: ±0.1 mV (±0.005% FS). |
| Temperature | Range: −30.0 to 135 °C; Resolution: 0.1 °C; Accuracy: ±0.1 °C; ATC/MTC temperature compensation. |
| Calibration | Automatic calibration up to 9 points; auto recognition of 9 buffer groups with 44 supported buffers; one-key calibration; 3 endpoint options (Automatic / Manual / Time). |
| Memory & GLP | Memory for 2000 measurement sets; GLP-compliant data with date/time stamp; storage for 10 electrode slopes and 10 calibration datasets; power-off protection to prevent data loss. |
| Data transfer | Interfaces: RS232 and USB; optional printer for hard-copy reports. |
| Inputs | pH input: BNC, impedance >3×10¹² Ω; temperature input: Cinch, NTC 30 kΩ; compatible with digital 3-in-1 electrode. |
| Housing & power | Housing dimensions: 250 × 165 × 65 mm; external power adapter 9–12 V. |
For the complete specification table, please refer to the
VIKING-PH150 datasheet (PDF)
.
STANDARD DELIVERY
- VIKING-PH150 benchtop pH meter.
- Digital 3-in-1 pH electrode.
- Electrode holder and base.
- pH buffer solutions (pH 4.01, 7.00, 10.01).
- Temperature probe (if included) and external AC adapter (9–12 V).
- Quick start guide.
Exact kit contents may vary by configuration and region; please refer to the
current catalog and quotation.
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