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Product Description

The Nutrient Tester CF ECO Stick EC-98330 is a portable nutrient-testing instrument designed to measure electrical conductivity (EC), conductivity factor (CF), and TDS in nutrient solutions. With an extended EC range up to 6.0 mS/cm, IP67 waterproof construction, titanium electrodes and an integrated temperature sensor, it is suitable for hydroponics, agriculture and nutrient-solution testing.

Product Overview

The CF ECO Stick EC-98330 Nutrient Tester is designed for monitoring nutrient concentration in water-based growing solutions. It measures electrical conductivity and provides corresponding CF and TDS readings, making it useful for assessing nutrient levels in hydroponic and agricultural applications.

The instrument offers an extended EC measurement range of 0.4–6.0 mS/cm, making it particularly suitable for applications involving plants that require comparatively higher EC nutrient solutions.

Its IP67 waterproof and floating casing houses titanium EC electrodes and a temperature sensor. The design allows the tester to be stirred directly in the sample while measuring, providing a practical solution for routine nutrient testing.

Key Features & Benefits

  • Measures EC, CF and TDS.
  • Extended EC range up to 6.0 mS/cm.
  • CF measurement from 4–60 CF.
  • TDS conversion using 500 ppm and 700 ppm scales.
  • IP67 waterproof and floating housing.
  • Titanium EC electrodes.
  • Integrated temperature sensor.
  • Suitable for stirring and testing simultaneously.
  • Designed for hydroponic and agricultural nutrient solutions.
  • Portable stick-style format.
  • Battery powered for convenient field use.

4. Technical Specifications

Specification Details
Product Type Nutrient Tester / EC Meter
Model EC-98330
Measurement Parameters EC, CF, TDS
EC Range 0.4–6.0 mS/cm
CF Range 4–60 CF
TDS Range – 500 Scale 200–3000 ppm
TDS Range – 700 Scale 280–4200 ppm
EC Resolution 0.05 mS/cm from 0.4–4.4 mS/cm; 0.1 mS/cm from 4.4–6.0 mS/cm
CF Resolution 1 CF
TDS Resolution – 500 Scale 50 ppm
TDS Resolution – 700 Scale 70 ppm
Accuracy ±4%
Operating Temperature 0–50°C (32–122°F)
Electrode Material Titanium
Temperature Sensor Integrated
Waterproof Rating IP67
Housing Waterproof, floating casing
Battery 2 × 1.5V AA batteries
Dimensions 425 × 39 mm
Weight 260 g

5. Applications

The EC-98330 Nutrient Tester is suitable for:

  • Hydroponic nutrient testing
  • Agricultural nutrient-solution monitoring
  • Plant nutrition management
  • Hydroponic farming
  • Greenhouse cultivation
  • Fertigation monitoring
  • Irrigation-water testing
  • Nutrient solution quality control
  • Agricultural research
  • Plant-growth experiments

6. Suitable For

  • Hydroponic farms
  • Greenhouse growers
  • Agricultural laboratories
  • Plant nurseries
  • Commercial growers
  • Horticultural researchers
  • Agricultural universities
  • Plant science laboratories
  • Fertigation and irrigation applications
  • Indoor farming operations

7. Product Benefits

  • Extended EC range up to 6.0 mS/cm
  • Measures EC, CF and TDS
  • Two selectable TDS conversion scales
  • IP67 waterproof construction
  • Floating design helps prevent loss of the instrument in water
  • Titanium electrodes for EC measurement
  • Integrated temperature sensor
  • Suitable for simultaneous stirring and measurement
  • Portable battery-powered design
  • Suitable for higher-EC nutrient solutions

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