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Groline EC/Temperature Tester

Regular price £71.96 £79.95 | Save £7.99 (9% off)
Tax included. Shipping calculated at checkout.
In Stock
SKU: 4353
Spend £50.00 more for free delivery (shipping surcharges still apply)

Groline EC/Temperature Tester

Groline EC/Temperature Tester


The Groline EC/Temperature Tester is the latest Hanna handheld device tailored for gauging the EC/TDS levels in hydroponic nutrient solutions. Its user-friendly design ensures comfortable handling, while the large LCD screen displays EC/TDS and temperature readings, as well as calibration status and battery level. Operating this device is simplified with just two buttons: one for power and the other for automatic one-point calibration.

Designed specifically for hydroponic applications, the GroLine Waterproof EC/TDS Tester offers a straightforward and cost-effective solution for measuring fertilizer concentration in nutrient solutions.

Unlike traditional amperometric testers with two stainless steel pins, the Groline EC/Temperature Tester features a graphite sensor that minimizes the common polarization effect.

Calibration is hassle-free: simply immerse the sensor in the calibration solution, and the device automatically identifies the calibration standard (either 5.00 mS/cm in Quick Cal mode or 1.41 mS/cm in standard calibration mode). Temperature compensation is automatic thanks to the integrated temperature sensor.

Key Features:

  • Waterproof design
  • Rapid Automatic Temperature Compensation with an exposed temperature probe
  • Graphite sensors to mitigate polarization effects (0.5 and 0.7 selectable conversion factors)
  • Single-point automatic calibration using Quick Cal standard or 1.41 mS/cm in standard calibration mode
  • 250-hour battery life
  • Easy two-button operation



Delivery Information

Most orders are shipped within 24 hours.

Orders are currently shipped with Parcelforce (Express 24 service for standard and heavy/bulky items) or DPD Local (Premium next-day), a signature will be required on delivery. We have been shipping orders for 15 years and our courier choices are subject to change as service levels fluctuate.

All orders are shipped on a next day courier service – you will be informed via email or SMS the evening your order leaves us so you know to expect it the next day. On the morning of delivery you will get another SMS or email informing you of the expected delivery time.

If you have any questions on delivery please get in touch.

As the website calculates some charges by weight it is possible that shipping is not calculated correctly. We reserve the right to get in touch in these circumstances we will request the additional amount or offer to refund the order.

UK Delivery

Standard delivery to the UK Mainland addresses (excluding Scottish Highlands & Islands, offshore and N.I.) is charged at a flat rate of just £5.95 per order or £7.95 (for the premium next-day service), standard delivery (with Parcelforce) is free* for orders over £50.

*Large and/or heavy items attact a surcharge from our courier - shipping surcharges are calculated per item and are applied regardless of order value.

Non-UK mainland destinations are charged by weight.

International Delivery

Coming soon…

Collect in Store (Bristol)

We now offer a 'collect in store' option, which allows you to pay for goods online and collect from our Bristol store at time that suits you (within our opening hours).

The process is simple:

  1. place your order and pay online, select 'Pick Up' at checkout;
  2. receive an email confirming that the order is ready for collection;
  3. bring/show your confirmation email and photo ID to collect your order.


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