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Hanna GroLine Soil Test™ Direct Soil & Hydroponic EC Tester

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Works with rockwool and coco coir, too! Excellent and affordable device for reading the "true" nutrient concentration - the concentration in the root zone - which is much more important and accurate than the nutrient concentration in the runoff. It's also a great tool for determining when to stop flushing during or at the end of the flowering cycle. 

 

The Soil Test™ Direct Soil EC Tester - HI98331 is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The Soil Test™ Direct Soil EC Tester - HI98331 features a stainless steel penetration probe for direct measurement of conductivity in soils. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil.



  • Waterproof

  • 4.5" stainless steel penetration electrode

  • Automatic Temperature Compensation

SKU: 6398
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Availability: In stock

Reg: $119.00

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Description

Details

Works with rockwool and coco coir, too! Excellent and affordable device for reading the "true" nutrient concentration - the concentration in the root zone - which is much more important and accurate than the nutrient concentration in the runoff. It's also a great tool for determining when to stop flushing during or at the end of the flowering cycle. 
 
The Soil Test™ Direct Soil EC Tester - HI98331 is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The Soil Test™ Direct Soil EC Tester - HI98331 features a stainless steel penetration probe for direct measurement of conductivity in soils. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil.
  • Waterproof
  • 4.5" stainless steel penetration electrode
  • Automatic Temperature Compensation

The HI98331 features a stainless steel penetration electrode that provides the ability to take direct measurements in soil. When calibration is needed, simply submerge the electrode tip into calibration solution and and enter calibration mode for automatic 1 point calibration.

Electrolytic conductivity, abbreviated as EC, is a measurement made in which electrical charges of particles in a medium are moved under the inŠfluence of a potential diff‹erence. EC is a measure of concentration, however, it is non-speci‡c for ion type. An ion is a charged particle present in the solution that contributes to the current Šflow. Ions are formed when a salt such as sodium chloride is dissolved in water to form particles having electrical charges. Sodium chloride, separates into Na+ and Cl-

Electrical conductance, the ability of a substance to conduct an electrical current is the reciprocal of electrical resistance. “Conductance” and “Resistance” depend on the geometrical dimensions of the substance being measured. Conductivity and resistivity are “normalized” terms that are used to denote a bulk intrinsic property of a substance. This is the measurement a standardized EC probe on a Conductivity or resistivity meter provides. Conductivity measurements can be used to provide additional industry specifi‡c measurements; TDS, Salinity and USP compliant conductivity. Many of Hanna’s meters provide these measurements also.

Features at-a-glance:

One-point calibration

  • Automatic calibration to 1413 µS/cm conductivity standard

Automatic Temperature Compensation (ATC)

  • Samples automatically compensated for temperature variations

  • Uses a fixed 2%/oC temperature correction coefficient

Stainless steel penetration electrode

  • Allows for direct measurement in soil

Specifications

Conductivity Range 0 to 4000 μS/cm; 0.00 to 4.00 mS/cm (dS/m)
Conductivity Resolution 1 μS/cm; 0.01 mS/cm (dS/m)
Conductivity Accuracy ±50 μS/cm (0 to 2000 μS/cm), ±300 μS/cm (2000 to 4000 μS/cm); ±0.05 mS/cm (0.00 to 2.00 mS/cm), ±0.30 mS/cm (2.00 to 4.00 mS/cm)
Temperature Range 0.0 to 50.0°C
Temperature Resolution 0.1°C
Temperature Accuracy ±1°C
EC/TDS Calibration automatic, one-point at 1.41 mS/cm
Temperature Compensation automatic, temperature coefficient (β) fixed 2% / °C
Battery Type/Life CR2032 Li-ion approximately 100 hours of continuous use
Electrode/Probe 114 mm (4.5 “) Stainless steel penetration
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 50 x 196 x 21 mm (2.0 x 7.7 x 0.9“)
Weight 74 g (2.4 oz.)
Ordering Information HI98331 is supplied with a stainless steel penetration probe, batteries, and instrument quality certificate.
Warranty 1 year

Additional Info

Additional Info

SKU 6398
Dimensional/Billable Weight (lbs) 3.0000
Actual Product Weight 2.4
Length (in.) 2
Width (in.) 7.7
Height (in.) .9
Free Shipping FREE Ground Shipping!
Manufacturer Hanna
Model HI98331
Brand Hanna
Vendor Item # HI98331
UPC 8000098331
Manufacturer Warranty Yes
Manufacturer's Suggested Retail Price $119.00

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