Benchtop Conductivity Meter ST 640

Basic benchtop conductivity meter, 1 to 3 points calibration, manual temperature compensation. The meter is suitable for education applications. Accuracy: 1% F.S.

Feature:
• Easy-to-use basic benchtop conductivity meter is equipped with a white backlit LCD display.
• 1 to 3 points push-button calibration with automatic calibration solution recognition.
• Manual temperature compensation improves the measurement accuracy of meter.
• Selectable cell constant (K=0.1/1/10) and temperature coefficient.

Specification :

Range 0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm

Accuracy ±1% F.S

Resolution 0.01, 0.1, 1

Calibration Points 1 to 3 points

Calibration Solutions 10µS/cm, 84µS/cm,1413µS/cm,12.88mS/cm,111.8mS/cm

Temperature Compensation 0~100°C, 32~212°F, Manual

Temperature Coefficient 0.0~10.0%/°C

Cell Constant K=0.1, 1, 10 or User-defined

Connector 6-pin Mini Plug

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

Dimensions 210(L)×205(W)×75(H)mm

Weight 1.5kg

Accurate, Reliable Conductivity Measurement for Every Laboratory and Field Application

Benchtop Conductivity Meter ST 640 Ensure precise water quality assessment, process control, and solution analysis with our range of conductivity meters—trusted tools for measuring the electrical conductivity (EC) of liquids in laboratories, industrial plants, environmental monitoring, aquaculture, and educational settings. Designed for accuracy, durability, and ease of use, our conductivity meters deliver consistent performance across a wide range of concentrations, temperatures, and sample types.

Engineered for Precision and Flexibility

Whether you’re testing ultrapure water, monitoring boiler cycles, checking nutrient levels in hydroponics, or validating cleaning processes, our conductivity meters adapt to your needs with advanced features and robust construction.

Wide Measurement Range – From 0.01 µS/cm (ultrapure water) to 2,000 mS/cm (concentrated solutions), with auto-ranging capability.
Automatic Temperature Compensation (ATC) – Built-in sensors correct readings to standard 25°C for lab-grade accuracy.
Multiple Calibration Options – 1- to 3-point calibration with standard solutions for optimal reliability.
Durable Probes & IP-Rated Meters – Waterproof (IP67) handheld models and chemical-resistant electrodes for harsh environments.
Data Management – GLP-compliant logging, timestamped storage, and USB/Bluetooth export on select models.
Multi-Parameter Capability – Many models also measure TDS, salinity, and resistivity from the same reading.

Trusted Across Industries

Used in pharmaceutical manufacturing, wastewater treatment, food & beverage production, and research labs worldwide, our conductivity meters meet ISO, ASTM, and USP standards for quality and traceability. Their intuitive interfaces require minimal training, while rugged designs ensure longevity—even under daily use.

From benchtop precision to portable field testing, our conductivity meters give you the confidence to make data-driven decisions—quickly and accurately.

Choose a solution that grows with your application—because conductivity matters in every drop.