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VIKING-PH300 — Benchtop pH/mV Meter · 5.7″ LCD
The VIKING-PH300 benchtop pH meter is a reliable instrument for routine pH and mV measurements, offering ±0.01 pH accuracy, 1–5 point calibration and GLP data storage for 500 results. Ideal for everyday laboratory use.
OVERVIEW
The VIKING-PH300 benchtop pH meter is a reliable, cost-effective instrument designed for everyday laboratory use. Its 5.7″ high-resolution LCD with backlight ensures clear readouts, while ±0.01 pH accuracy, 1–5 point calibration with automatic buffer recognition (NIST, DIN, GB, USA), and ATC/MTC temperature compensation deliver consistent and precise results across research, QC and general lab environments.
With multiple reading modes (Auto Read, Timed, Continuous), Auto-Hold endpoint detection, GLP-compliant data storage for 500 results, and USB/RS-232 interfaces, the VIKING-PH300 benchtop pH meter is a versatile platform for routine laboratory workflows in water quality, food & beverage, pharmaceutical and educational labs.
VIKING-PH300 benchtop pH meter featuring a 5.7″ high-resolution LCD for clear measurement display. This benchtop pH meter combines ±0.01 pH accuracy, 1–5 point calibration with multiple buffer groups (NIST, DIN, GB, USA), GLP data storage for 500 results and simple front panel controls for routine laboratory work.COLO.Science · Practical and robust equipment for everyday laboratory workflows.
Product Overview
The VIKING-PH300 benchtop pH meter is built for laboratories that need a reliable pH/mV meter with straightforward operation. The 5.7″ high-resolution LCD with backlight ensures easy reading, and the multi-point calibration (up to 5 points) with automatic buffer recognition supports typical pH measurement tasks.
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
5.7″ High-Resolution LCD
±0.01 pH Accuracy
0.01 pH Resolution
1–5 Point Calibration
NIST/DIN/GB/USA Buffers
ATC / MTC
GLP Data (500 results)
USB & RS-232
Electrode Diagnostics
Auto-Hold Endpoint
IP54 Protection
Measurement
Reliable pH & mV Measurement with the VIKING-PH300 Benchtop pH Meter
Straightforward Operation
Clear display and simple controls for routine pH and mV measurements. The VIKING-PH300 benchtop pH meter requires no complex configuration.
5.7″ High-Resolution LCD
The backlit display provides clear readouts, even in low-light laboratory conditions.
Flexible Reading Modes
Auto-read (Fast/Medium/Slow), timed and continuous modes with auto-hold endpoint detection and status prompts (Reading/Stable/Locked).
pH Measurement
- Range: -2.00 to 20.00 pH
- Resolution: 0.1 / 0.01 pH
- Accuracy: ±0.01 pH
- Calibration: 1–5 points with NIST/DIN/GB/USA buffers
- Standard customization supported
- Electrode slope & offset display
mV Measurement
- Range: -2000.0 to 2000.0 mV
- Resolution: 0.1 mV
- Accuracy: ±0.3 mV or ±0.1% FS
- Suitable for ORP and redox measurements
- Reading prompts: Reading, Stable, Locked
Temperature & Data Management
- Temperature range: -5 to 110 °C / 23 to 230 °F
- Resolution: 0.1 °C/°F, Accuracy: ±0.2 °C
- ATC / MTC compensation
- Data storage: 500 results (GLP-compliant)
- USB (PC) and RS-232 (printer) interfaces
Technical Specifications (VIKING-PH300)
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | VIKING-PH300 (benchtop pH meter) | Product number | PRO6084 |
| Parameters | pH, mV, Temperature | Display | 5.7″ high-resolution LCD, backlight |
| pH range | -2.00 to 20.00 pH | pH resolution | 0.1 / 0.01 pH |
| pH accuracy | ±0.01 pH | Calibration points | Up to 5 (1–5 points) |
| Buffer groups | NIST, DIN, GB, USA (customizable) | Electrode diagnostics | Slope & offset display |
| mV range | -2000.0 to 2000.0 mV | mV resolution | 0.1 mV |
| mV accuracy | ±0.3 mV or ±0.1% FS | Temperature range | -5 to 110 °C / 23 to 230 °F |
| Temp. resolution | 0.1 °C/°F | Temp. accuracy | ±0.2 °C |
| Reading modes | Auto-Read (F/M/S), Timed, Continuous, Auto-Hold | Reading prompts | Reading, Stable, Locked |
| Data storage | 500 results (GLP-compliant) | Temperature compensation | ATC, MTC |
| pH electrode input | BNC (Q9) | Temp. probe input | 4-pin aviation connector |
| Outputs | USB (PC), RS-232 (printer) | Auto shutdown | 1–60 min, off |
| IP rating | IP54 | Power | AC adapter 100-240V / DC 9V output |
| Dimensions | 242 × 195 × 68 mm | Weight | 900 g (1.98 lb) |
Note: If the VIKING-PH300 benchtop pH meter does not match your application needs, COLO.Science can propose an appropriate technical solution. Specifications may change over time.
VIKING Series — Model Comparison
Compare COLO benchtop pH meters by display, accuracy, calibration points, data storage and key features. The VIKING-PH300 benchtop pH meter offers an excellent balance of performance and value for routine laboratory use.
| Parameter | VIKING-PH200 | VIKING-PH300 | VIKING-PH400 | VIKING-PH500 |
|---|---|---|---|---|
| Display | 6.0″ LCD | 5.7″ LCD | 5.7″ LCD | 7.0″ color touchscreen |
| pH accuracy | ±0.01 pH | ±0.01 pH | ±0.01 pH | ±0.002 pH |
| Calibration points | 1–3 | 1–5 | 1–5 | 1–6 |
| Buffer groups | NIST | NIST, DIN, GB, USA | NIST, DIN, GB, USA | 6 groups + custom |
| Data storage | 50 results | 500 results | 500 results | 1000 groups |
| Interfaces | — | USB, RS-232 | USB, RS-232 | USB, RS-232 |
| Protection class | IP54 | IP54 | IP54 | IP54 |
VIKING-PH300 — Benchtop pH/mV Meter · 5.7″ LCD
The VIKING-PH300 benchtop pH meter is ideal when you need a reliable benchtop pH meter with clear display, ±0.01 pH accuracy, 1–5 point calibration and GLP data management — supported by COLO.Science.
COLO.Science · Practical and robust equipment for everyday laboratory workflows.
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