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Metalsin’s PH50T is our most advanced benchtop pH meter, designed to serve as the central analytical hub for modern laboratories. Whether managing high-purity potable water, monitoring complex raw water sources, or ensuring compliance in wastewater and reclaimed water systems, the PH50T delivers unparalleled intelligence and a smartphone-like user experience.

PH50T benchtop pH meter with multiple global buffers & a touch pen: LCD touchscreen and intelligent operation system.
The PH50T replaces traditional buttons with a massive 7.0-inch high-contrast color touchscreen. This interface provides a vibrant, crystal-clear visualization of data and menus, even in brightly lit laboratory environments. The capacitive touch technology allows for seamless navigation through complex settings, making the measurement of pH, mV, and temperature as intuitive as using a modern tablet. It minimizes operator training time and reduces the risk of input errors common with traditional buttons.
At the core of the PH50T is a sophisticated Intelligent Operating System that transforms the device into a fully managed analytical workstation.
The PH50T benchtop pH meter conforms to the pH measurement methodology and accuracy requirements defined in ISO 10523 and Standard Methods 4500-H+, supporting standardized pH analysis in laboratory and field use.. It supports 1–6 point calibration with automatic recognition of major global buffer sets (DIN, NIST, USA, MERCK, JIS, and GB), as well as user-defined buffers. Automatic electrode diagnostics display pH slope and offset for sensor validation. Multiple measurement modes and automatic or manual temperature compensation ensure accurate results. USB and RS-232 interfaces enable easy data transfer, while the IP54 waterproof housing and reset-to-factory function provide durability and operational security.
| pH | Range | -2.000 to 20.000 pH |
| Resolution | 0.1, 0.01, 0.001pH | |
| Accuracy | ±0.002pH | |
| Calibration Point | Up to 6 | |
| Standard Customization | Yes | |
| Calibration Reminder | Yes | |
| Standard Recognition | NIST, GB, DIN, USA, MERK, JIS buffers | |
| Slope limit | Yes | |
| mV/ORP | Range | -2000.00 to 2000.00 mV |
| Resolution | 0.1, 0.01 mV | |
| Accuracy | ±0.1mV or ±0.03% | |
| EH ORP Mode | Yes | |
| ORP Calibration Points | 1 custom point(relative mV) | |
| Temperature | Range | -10 to 135℃, 14 to 275℉ |
| Unit | ℃, ℉ | |
| Resolution | 0.1 | |
| Accuracy | ±0.1℃ | |
| Measurement | Reading Mode | Auto Read(Fast, Medium, Slow), Timed, Continuous |
| Reading Prompts | Reading, Stable, Locked | |
| Temp. Compensation | ATC, MTC | |
| Data management | Data Storage | 1000 Groups |
| GLP Features | Yes | |
| Log Management | Yes | |
| Inputs | pH Electrode | BNC(Q9) |
| Temp. Probe | 4-pin aviation connector | |
| Outputs | USB | USB 2.0 flash memory device, PC, scanner |
| RS 232 | Printer, auto-sampler | |
| Display options | Backlight | Yes |
| Auto Shutdown | 1~60 min, off | |
| IP Rating | IP54 | |
| Date and Time | Yes |
The PH50T benchtop pH meter is powered by an EU power adapter (input: AC 230V/50Hz; output: DC 20V/1000 mA), with configurable power adapter options available for different regions. It features a compact desktop design with dimensions of 220× 195 × 68 mm and a lightweight net weight of 0.94 kg (1.95 lb), making it easy to install and operate in laboratory environments. For transportation and storage, the packaging measures 370 × 305 × 330 mm, with a gross weight of 3 kg, ensuring safe and convenient handling. Click to download and view the Operation Manual for PH50T.
| Model Numbers of Benchtop pH Meters | ||
|---|---|---|
| PH10E | PH20E | PH30E |
| PH40F | PH50T | PH60L |