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PH50T Intelligent Touchscreen Benchtop pH Meter

January 22, 2026

The Ultimate Smart Solution for Regulated Water Quality Analysis

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 lab pH meter

PH50T benchtop pH meter with multiple global buffers & a touch pen: LCD touchscreen and intelligent operation system.

1. High-Contrast Color LCD Touchscreen

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.

2. Intelligent Operating System & Management Suite

At the core of the PH50T is a sophisticated Intelligent Operating System that transforms the device into a fully managed analytical workstation.

  • User Management: Secure your data with multi-level user permissions, ensuring only authorized personnel can modify critical settings.
  • Method Management: Store and recall specific testing protocols (SOPs) for different water types, ensuring consistent results regardless of the operator.
  • Calibration & Data Management: The system tracks calibration history and organizes data with GLP-compliant storage for 1,000 sets per parameter. The built-in data analysis feature allows users to review, compare, and even recalculate results directly on the device, providing a level of insight that traditional meters cannot match.

3. Advanced Functionality for Professional Labs

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.

Technical Parameters & Operation Manual

pHRange-2.000 to 20.000 pH
Resolution0.1, 0.01, 0.001pH
Accuracy±0.002pH
Calibration PointUp to 6
Standard CustomizationYes
Calibration ReminderYes
Standard RecognitionNIST, GB, DIN, USA, MERK, JIS buffers
Slope limitYes
mV/ORPRange-2000.00 to 2000.00 mV
Resolution0.1, 0.01 mV
Accuracy±0.1mV or ±0.03%
EH ORP ModeYes
ORP Calibration Points1 custom point(relative mV)
TemperatureRange-10 to 135℃, 14 to 275℉
Unit℃, ℉
Resolution0.1
Accuracy±0.1℃
MeasurementReading ModeAuto Read(Fast, Medium, Slow), Timed, Continuous
Reading PromptsReading, Stable, Locked
Temp. CompensationATC, MTC
Data managementData Storage1000 Groups
GLP FeaturesYes
Log ManagementYes
InputspH ElectrodeBNC(Q9)
Temp. Probe4-pin aviation connector
OutputsUSBUSB 2.0 flash memory device, PC, scanner
RS 232Printer, auto-sampler
Display optionsBacklightYes
Auto Shutdown1~60 min, off
IP RatingIP54
Date and TimeYes

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
PH10EPH20EPH30E
PH40FPH50TPH60L
*Click to view full series of pH meters supplied by Metalsin.

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