VIKING-PH500 — Laboratory pH/mV Meter · 7.0″ Touchscreen
OVERVIEW
VIKING-PH500 laboratory pH/mV meter combines a 7.0″ color touchscreen with a smart operating system for user, calibration, method and data management. This VIKING-PH500 laboratory pH/mV meter delivers ±0.002 pH accuracy, 0.001 pH resolution and 1–6-point calibration with standard recognition and custom buffer groups for demanding electrochemistry workflows.
With ATC/MTC temperature compensation, multi-reading modes (Auto Read, Timed, Continuous), EH ORP mode, GLP-compliant memory for 1000 data groups and USB/RS-232 connectivity, VIKING-PH500 laboratory pH/mV meter is a versatile COLO.Science platform for water and wastewater laboratories, food & beverage QA/QC, pharmaceutical and biotechnology labs, and academic teaching labs.
VIKING-PH500 laboratory pH/mV meter is a high-precision instrument featuring a 7.0″ color touchscreen with intuitive interface. This VIKING-PH500 laboratory pH/mV meter combines ±0.002 pH accuracy, 1–6 point calibration with multiple buffer groups (NIST, GB, DIN, USA, MERCK, JIS), and GLP data logging for 1000 groups — ideal for demanding laboratory applications.COLO.Science · Practical and robust equipment for everyday laboratory workflows.
COLO.SCIENCE KNOWLEDGE
Practical pH/ORP workflows for QA and research
Explore COLO.Science articles on pH theory, buffer selection, electrode care, ORP measurement and GLP-compliant electrochemistry in water, food and pharmaceutical laboratories.
Product Overview
VIKING-PH500 laboratory pH/mV meter is built for laboratories that need high precision and advanced data management. The 7.0″ color touchscreen provides intuitive operation, and the multi-point calibration (up to 6 points) with extensive buffer groups ensures accurate measurements across various sample types.
Configuration notice — delivery depends on selected options
pH/mV meters may be delivered in different configurations depending on the application and selected accessories. The official PDF technical specification defines the exact configuration, included components and available options for each model/variant. Content shown on this website is provided for general informational purposes only and may not represent the final delivered configuration. Specifications may change without notice.
Key Features
7.0″ Color Touchscreen
±0.002 pH Accuracy
0.001 pH Resolution
1–6 Point Calibration
6 Buffer Groups (NIST/GB/DIN/USA/MERCK/JIS)
ATC / MTC
GLP Data (1000 groups)
USB & RS-232
Electrode Diagnostics
IP54 Protection
Measurement
High-Precision pH & mV/ORP Measurement with Advanced Software
Intelligent Operating System
User management, calibration management, method management and data management for full traceability. The VIKING-PH500 laboratory pH/mV meter offers complete control.
Multi-Mode Reading
Auto-read (Fast/Medium/Slow), timed-read and continuous-read modes with status prompts (Reading/Stable/Locked).
Electrode Diagnostics
Automatic slope & offset display, calibration reminder and slope limit alert for reliable measurements.
pH Measurement
- Range: -2.000 to 20.000 pH
- Resolution: 0.1 / 0.01 / 0.001 pH
- Accuracy: ±0.002 pH
- Calibration: 1–6 points with NIST/GB/DIN/USA/MERCK/JIS buffers
- Custom buffer groups supported
- Electrode slope & offset display
mV / ORP Measurement
- Range: -2000.00 to 2000.00 mV
- Resolution: 0.1 / 0.01 mV
- Accuracy: ±0.1 mV or ±0.03% FS
- EH ORP mode with 1-point relative mV calibration
- Reading prompts: Reading, Stable, Locked
Temperature & Data
- Temp range: -10 to 135 °C (14 to 275 °F)
- Resolution: 0.1 °C/°F, Accuracy: ±0.1 °C
- ATC / MTC compensation
- Data storage: 1000 groups (GLP-compliant)
- Data analysis: review, compare, recalc, export via USB/RS-232
Technical Specifications (VIKING-PH500)
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | VIKING-PH500 laboratory pH/mV meter | pH range | -2.000 to 20.000 pH |
| pH resolution | 0.1 / 0.01 / 0.001 pH | pH accuracy | ±0.002 pH |
| Calibration points | Up to 6 (1–6 points) | Buffer groups | NIST, GB, DIN, USA, MERCK, JIS (customizable) |
| mV range | -2000.00 to 2000.00 mV | mV resolution | 0.1 / 0.01 mV |
| mV accuracy | ±0.1 mV or ±0.03% FS | ORP mode | EH ORP with 1-point relative mV calibration |
| Temperature range | -10 to 135 °C / 14 to 275 °F | Temp. resolution | 0.1 °C/°F |
| Temp. accuracy | ±0.1 °C | Reading modes | Auto-Read (F/M/S), Timed, Continuous |
| Data storage | 1000 groups (GLP) | Display | 7.0″ color touch LCD |
| pH input | BNC (Q9) | Temp. probe input | 4-pin aviation connector |
| Connectivity | USB 2.0, RS-232 | Protection class | IP54 |
| Power | AC adapter 100-240V / 24V DC output | Dimensions / Weight | 220 × 195 × 68 mm / 950 g |
Note: For the complete specification table, please refer to the VIKING-PH500 datasheet (PDF).
VIKING Series — Model Comparison
Compare COLO benchtop pH/mV meters by display, accuracy, calibration points, data storage and key features. The VIKING-PH500 laboratory pH/mV meter offers the best balance of precision and advanced features.
| Parameter | VIKING-PH200 | VIKING-PH500 | VIKING-PH600 | VIKING-PHPRO |
|---|---|---|---|---|
| Display | 6.0″ LCD | 7.0″ color touch LCD | 7.0″ color touch LCD | 7.0″ color touch LCD |
| pH accuracy | ±0.01 pH | ±0.002 pH | ±0.002 pH | ±0.002 pH |
| Calibration points | 1–3 | 1–6 | 1–6 | 1–6 |
| Buffer groups | NIST | 6 groups + custom | NIST/DIN/GB + custom | NIST/DIN/GB + custom |
| Data storage | 50 sets | 1000 groups | 1000 groups/param | 1000 groups/param |
| Connectivity | — | USB, RS-232 | USB, RS-232 | USB, RS-232 |
VIKING-PH500 — Laboratory pH/mV Meter · 7.0″ Touchscreen
VIKING-PH500 laboratory pH/mV meter is ideal when you need a high-precision pH/mV meter with ±0.002 pH accuracy, 1–6 point calibration and GLP data management — supported by COLO.Science.
COLO.Science · Practical and robust equipment for everyday laboratory workflows.







