COLO.Science — WATER QUALITY / ELECTROCHEMISTRY — VIKING-PH500T
VIKING-PH500T Laboratory pH Meter
VIKING-PH500T laboratory pH meter is a high-precision benchtop instrument for
pH, mV, ORP and temperature measurement. With a 7.0″ color touchscreen,
±0.002 pH accuracy, selectable 0.1 / 0.01 / 0.001 pH resolution,
1–6 point calibration, ATC/MTC temperature compensation, GLP data storage and USB / RS-232 communication,
VIKING-PH500T is suitable for water quality laboratories, food and beverage QC, pharmaceutical laboratories,
research facilities and routine electrochemical analysis.
COLO.SCIENCE — BENCHTOP WATER QUALITY / ELECTROCHEMISTRY METERS
Laboratory pH meter for precise pH, mV, ORP and temperature workflows
The VIKING-PH500T laboratory pH meter is designed for laboratories that need stable, repeatable and well-documented pH measurement. It supports pH, mV, ORP and temperature in one structured benchtop platform with touchscreen operation, automatic or manual temperature compensation, guided calibration and electrode diagnostics.
This laboratory pH meter is suitable for routine water testing, environmental analysis, industrial quality control, food and beverage acidity checks, research applications and teaching laboratories where repeatability, traceability and clear data handling are important.
Key features
- Benchtop laboratory pH meter for pH, mV, ORP and temperature measurement.
- 7.0″ color touchscreen for clear operation, method navigation and data review.
- pH range −2.000 to 20.000 with 0.1 / 0.01 / 0.001 pH resolution.
- High pH accuracy ±0.002 pH for demanding laboratory workflows.
- 1–6 point calibration with standard recognition and custom buffer support.
- GLP data storage with up to 1000 data groups and USB / RS-232 communication.
Suitable for
- Water quality laboratories and wastewater testing.
- Food, beverage and fermentation quality control.
- Pharmaceutical, biotechnology and cosmetic laboratories.
- University, teaching and research laboratories.
- Industrial QC laboratories requiring traceable pH and ORP measurement.
- Routine electrochemistry workflows with calibration tracking and electrode diagnostics.
VIKING-PH500T Laboratory pH Meter for pH, mV and ORP Measurement
TECHNICAL SPECIFICATIONS — VIKING-PH500T LABORATORY PH METER
| Model | VIKING-PH500T |
| SKU | PRO5980 |
| pH range | −2.000 to 20.000 pH |
| pH resolution | 0.1 / 0.01 / 0.001 pH |
| pH accuracy | ±0.002 pH |
| pH calibration | 1–6 points, reminder |
| Buffer groups | NIST, DIN, GB, USA, MERCK, JIS |
| Custom buffers | Yes |
| Electrode diagnostics | Slope, offset, slope limit |
| mV range | −2000.00 to 2000.00 mV |
| mV resolution | 1 / 0.1 / 0.01 mV |
| mV accuracy | ±0.1 mV or ±0.03 % |
| ORP | EH mode, 1-point calibration |
| Temperature range | −10 to 135 °C / 14 to 275 °F |
| Temperature resolution | 0.1 |
| Temperature accuracy | ±0.1 °C |
| Temperature compensation | ATC / MTC |
| Reading modes | Auto (fast / medium / slow), timed, continuous |
| Reading prompts | Reading, Stable, Locked |
| Display | 7.0″ colour touchscreen |
| Data memory | 1000 results, GLP |
| Management | Users, methods, GMP log (21 CFR 11) |
| Inputs | BNC (Q9), 4-pin temperature, banana reference |
| Outputs | USB 2.0 (flash, PC, scanner), RS-232 (printer, autosampler) |
| Auto power-off | 1–60 min or off |
| Power supply | AC adapter, DC 24 V |
| Protection | IP54 |
| Dimensions | 220 × 195 × 68 mm |
| Weight | approx. 950 g |
Final measurement performance depends on electrode type, probe condition, calibration buffers, sample matrix,
temperature compensation settings and laboratory method. Electrode and accessory compatibility should be confirmed before quotation.
Calibration, electrode diagnostics and GLP data management
Advanced pH calibration
VIKING-PH500T supports 1–6 point pH calibration with multiple standard buffer groups and custom buffer support.
This allows laboratories to adapt calibration routines to routine control, research methods or internal QA procedures.
Electrode diagnostics
Electrode slope and offset display, calibration reminders and stability prompts help users identify electrode
condition, calibration quality and measurement readiness during daily laboratory work.
GLP data handling
The instrument stores up to 1000 data groups and supports structured review and export workflows via USB
and RS-232, making it practical for traceable laboratory documentation.
COLO.SCIENCE VIDEO
VIKING-PH500T product video demonstration
It shows installation, parameter settings, calibration and measurement.
VIKING-PH500T operation video: installation, parameter settings, calibration and measurement (5:47). Open the video in a new window
ELECTRODES AND ACCESSORIES
Electrodes and accessories for the VIKING-PH500T laboratory pH meter
The VIKING-PH500T laboratory pH meter is delivered with the premium pH glass electrode PRO5979 (S7), the temperature probe T-818-Q (PRO6166), pH buffers 4.01 / 7.00 / 10.01, the electrode stand COLO-6 and a touch pen. For special samples choose a dedicated electrode — BNC (Q9) and 3-in-1 electrodes connect directly, S7-head electrodes connect by cable.
PRO5979
Premium pH glass electrode (S7)
Composite pH electrode with Longlife reference, ceramic junction, 0–80 °C, Φ12×120 mm; S7 head with S7–BNC cable.
Standard delivery
PRO6166
Temperature probe T-818-Q
316 stainless steel, Φ4×120 mm, −5…105 °C; 4-pin connector for automatic temperature compensation.
Standard delivery
PRO6122
pH buffer set 4.01 / 7.00 / 10.01
Standard pH buffer solutions, 50 mL each, for 3-point calibration.
Standard delivery
COLO-6
Electrode stand COLO-6
Electrode arm with 360° rotation and one-hand height adjustment; holds up to 4 electrodes.
Standard delivery
PRO4153
3-in-1 pH composite electrode E-301-QC
pH + reference + temperature in one body; Ag/AgCl, 0–14 pH, BNC (Q9) and 4-pin connector.
Optional
PRO6137
pH electrode E-201-Z, spear tip
Piercing tip for semi-solid samples; Ag/AgCl, Φ12×120 mm, BNC (Q9) — connects directly.
Optional
PRO6144
pH electrode, blade spear (knife)
Knife-shaped POM / 316 stainless steel body for cheese, meat and fruit; S7 head, connected by cable.
Optional
PRO6138
pH electrode E-201-P, flat surface
Flat sensing membrane for surface pH on paper, leather, agar and skin; BNC (Q9) — connects directly.
Optional
More electrodes and accessories
- PRO6146 — pH electrode, slender
- PRO6147 — pH electrode, long
- PRO6995 — 3-in-1 pH electrode, Premium Longlife
- PRO6126 — 3 M KCl electrolyte, 250 mL
- PRO6998 — Thermal printer 771000
Tell us your sample and we will confirm the right electrode for your VIKING-PH500T laboratory pH meter. Full electrode range: Electrochemistry catalogue →
COLO.SCIENCE KNOWLEDGE
Learn more about laboratory water quality analysis
Explore COLO.Science resources covering pH meters, ORP measurement, electrode care, buffer selection
and routine water quality measurement workflows.
Applications and laboratory value
Water quality laboratories
The VIKING-PH500T laboratory pH meter is suitable for routine pH and ORP measurement in drinking water,
wastewater, surface water and process water testing.
Food and beverage QC
Useful for acidity control, fermentation monitoring, raw material control and quality assurance workflows
where stable pH measurement is required.
Pharmaceutical laboratories
GLP-style memory, calibration tracking and stable benchtop operation support controlled laboratory
documentation and method-based testing.
Research and education
Touchscreen operation, multiple calibration options and clear data management make VIKING-PH500T practical
for teaching laboratories, method development and research applications.
How to choose the correct pH electrode and configuration
When selecting the VIKING-PH500T laboratory pH meter, the electrode should be chosen according to
sample type, expected pH range, temperature, chemical compatibility, junction type and whether temperature
compensation is required. Routine aqueous samples, food samples, low ionic strength samples and aggressive
chemical matrices may require different electrode designs.
COLO.Science can support the selection of pH electrodes, ORP electrodes, temperature probes, calibration buffers,
storage solutions and accessories so that the final configuration matches the laboratory method and quotation.
VIKING-PH500T laboratory pH meter for daily precision measurement
The VIKING-PH500T laboratory pH meter is useful when a laboratory needs a precise benchtop
instrument with a modern touchscreen interface and reliable calibration control. The combination of
±0.002 pH accuracy, 0.001 pH resolution, multi-point calibration and GLP memory
supports repeatable laboratory work in routine and advanced applications.
In practice, pH measurement quality depends not only on the meter but also on electrode condition, buffer quality,
sample preparation, temperature compensation and correct storage of the pH electrode. VIKING-PH500T provides the
instrument platform, while COLO.Science can help define the correct electrode and accessory set for the final application.
Configuration notice
pH meters may be delivered in different configurations depending on selected electrodes, temperature probes,
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.
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.
| Measurement Parameters | pH |
|---|---|
| Instrument Type | Tablet type |
