Conductivity Meter ST 306

* 4 rings conductivity probe, high performance, wide range, professional.

* 4 ranges : 200 uS, 2 mS, 20 mS, 200 mS.

* Separate electrode, easy operation.

* The portable conductivity meter provides fast, accurate readings, with digital readability and the convenience of a remote probe separately.

* All function keys are used the rubber button.

* Data hold.

* Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.

* Wide applications: water conditioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college.

Specification :

Display Large LCD display, 21.5 mm digit height.

Measurement & Range 4 ranges : 200 uS, 2 mS, 20 mS, 200 mS.

Resolution 0.1 uS for 200 uS range.

0.001 mS for 2 mS range.

0.01 mS for 20 mS range.

0.1 mS for 200 mS range.

Accuracy ( 23 ± 5 )°C ± ( 1% F.S. + 1 d )* F.S. – Full scale

Sampling Time Approx. 0.4 second.

Over Range Indicator Display shows ” 1 “.

Data Hold To freeze the measured pH value on the display.

Temperature Compensation Automatic, 0 to 50°C (32 to 122 °F).

Calibration VR Build in external calibration VR.

Operating Temperature 0 to 50°C (32 to 122 °F).

Operating Humidity Max. 80% RH.

Power Supply DC 9V battery ( heavy duty type ).

Power Current Approx. DC 5 mA.

Weight 270 g/0.60 LB ( w/battery & electrode ).

Dimension Meter :200 x 68 x 30 mm (7.9 x 2.7 x 1.2 inch ).

Electrode :Round, 20 mm Dia. x 124 mm length.

Accurate, Reliable Conductivity Measurement for Every Laboratory and Field Application

Conductivity Meter ST 306 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.