Benchtop pH Meter ST 541

Standard benchtop pH meter, 2 points calibration, automatic temperature compensation. The meter is suitable for daily testing and controls. Accuracy: 0.01pH.

Features:
• Standard benchtop pH meter is equipped with a white backlit LCD display.
• 2 points push-button calibration with auto-buffer recognition.
• Electrode slope display helps user decide whether to replace pH electrode.
• Automatic Temperature Compensation provides accurate reading over the entire pH range.

Applications:
Education: chemical experiments
Laboratory: routine measurements and quality controls

Specification :

pH Range 0.00~14.00pH

Accuracy ±0.01pH

Resolution 0.01pH

Calibration Points 2 points

Calibration Solutions USA (pH4.01/7.00/10.01) or NIST (pH4.01/6.86/9.18)

Temperature Compensation 0~100°C

Compensation Mode Manual or Automatic

mV Range -1999~1999mV

Accuracy ±1mV

Resolution 1mV

Temperature Range 0~100°C, 32~212°F

Accuracy ±1°C

Resolution 1°C

Others Connector BNC

Power Requirements DC9V, using AC adapter, 220VAC/50Hz

Dimensions 210(L)×205(W)×65(H)mm

Weight 1.5kg

SKU: ST 541 Category: pH Meter Tag: pH Meter

Precise, Stable pH Measurement for the Laboratory: Benchtop pH Meter ST 541

Achieve reliable, high-accuracy pH analysis in demanding laboratory environments with the Benchtop pH Meter ST 541—a professional-grade instrument engineered for research, quality control, pharmaceutical, food & beverage, and environmental testing applications. Combining ±0.001 pH resolution, automatic calibration, and advanced temperature compensation, the ST 541 delivers consistent, traceable results that meet the requirements of GLP, ISO, and GMP workflows.

Engineered for Laboratory Precision and Workflow Efficiency

The ST 541 Benchtop pH Meter features a large, backlit LCD display showing pH, mV, temperature, calibration status, and electrode diagnostics simultaneously. It supports 1–5 point automatic calibration with recognition of standard buffers (pH 1.68 to 12.46) and includes Automatic Temperature Compensation (ATC) via an integrated Pt1000 sensor for accurate readings across 0–100°C. The meter is compatible with standard BNC or DIN connectors, supporting a wide range of laboratory pH electrodes—including refillable, double-junction, and specialized probes.

High Resolution: 0.001 pH | Accuracy: ±0.002 pH – Ideal for sensitive applications like buffer prep, titrations, and R&D.
Stable Benchtop Design with Electrode Arm – Integrated holder and adjustable stand ensure secure, hands-free probe positioning.
GLP-Compliant Data Management – Stores 1,000+ readings with time, date, calibration data, and user ID; USB output for reports.
Electrode Health Monitoring – Displays slope, offset, and response time to flag aging or contaminated sensors.
AC-Powered with Stable Power Supply – Eliminates battery drift for long-duration measurements.
CE & RoHS Certified – Meets international safety and environmental standards.

Trusted in Regulated and Research Laboratories

From validating pharmaceutical formulations and monitoring fermentation processes to calibrating reference standards or analyzing environmental samples, the ST 541 ensures data integrity and repeatability. Its robust construction, intuitive menu system, and compliance-ready features make it a cornerstone instrument in ISO 17025-accredited labs and GMP facilities.

Whether you’re running routine QC or conducting advanced research, the Benchtop pH Meter ST 541 delivers the accuracy, stability, and documentation your science demands.

Precision you can trust. Performance you can rely on—every day.