Name: Hanna Water Resistant pH/EC/TDS Meter (HI 9813-6)
Brand: Hanna Instruments
SKU: 26372928
Price: 382.05 USD
Availability: InStock
Rating: 1 (1 reviews)

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Hanna Water Resistant pH/EC/TDS Meter (HI 9813-6)

<ul>   <li>3 in 1 probe with pH, EC/TDS and temperature sensors</li>   <li>Amplified pH electrode for immunity to electrical noise including from ballasts and pumps</li>   <li>CAL Check</li>  </ul>

The HI9813-6 is an economical, water resistant, portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single probe. The HI9813-6 features the Hanna Instruments CAL Check that will allow the user to know when the probe needs to be calibrated or replaced. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC.

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as low as <b>$26/mo</b> with <img src="https://cdn-assets.affirm.com/images/black_logo-white_bg.jpg" alt="Affirm">

For the price you would think there would be more than one calibration point. I have a stick pH probe with one cal point for $20 bucks.

Also, I have owned three Hanna pH meters and all three were returned because the probes don't hold calibration for more than a day or two.

Only 1 Calibration Point