SKU: 28069791187

HANNA HI 9813-6N Waterproof pH/EC/TDS Meter

Sale price$152.99 Regular price$169.99
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Description

HANNA HI 9813-6N Waterproof pH/EC/TDS MeterThe HANNA HI9813 6N is a waterproof handheld meter designed for measuring pH, EC, TDS, and temperature in one unit. Ideal for agriculture, hydroponics, and water treatment, it offers quick calibration and easy operation with a single probe system. Product Specifications: Measurement Parameters: pH, EC (S cm), TDS (ppm), Temperature (C) Calibration: Manual single point for each parameter Display: LCD Power Supply: 9V battery (included) Probe Type:

The HANNA HI9813-6N is a waterproof handheld meter designed for measuring pH, EC, TDS, and temperature in one unit. Ideal for agriculture, hydroponics, and water treatment, it offers quick calibration and easy operation with a single probe system.

Product Specifications:

  • Measurement Parameters: pH, EC (μS/cm), TDS (ppm), Temperature (°C)
  • Calibration: Manual single-point for each parameter
  • Display: LCD
  • Power Supply: 9V battery (included)
  • Probe Type: HI1285-6 multiparameter probe with built-in temperature sensor
  • Waterproof Rating: IP67
  • Auto-off: After 8 minutes of non-use
  • Temperature Compensation: Automatic

Key Features:

4-in-1 Functionality: Measures pH, EC, TDS, and temperature with a single probe—ideal for quick field testing and efficient data collection.
Waterproof and Durable Design: IP67-rated enclosure ensures protection in wet environments, perfect for outdoor and industrial use.
Dedicated Calibration Knobs: Each parameter has its own calibration dial, allowing fast and simple manual adjustments without complex menus.
Integrated Temperature Sensor: Automatically compensates for temperature fluctuations, ensuring accurate readings across all measurements.
User-Friendly Interface: Clear LCD display and intuitive controls make it easy for beginners and professionals to operate.

How it works:

The HANNA HI9813-6N uses a multiparameter probe that simultaneously measures pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature. Once the probe is immersed in the solution, data is instantly shown on the LCD screen. Users can manually calibrate each measurement using dedicated knobs for high accuracy. The integrated temperature sensor ensures consistent results by compensating readings in real time. Designed for portability and fieldwork, the device operates on a 9V battery and powers down automatically after 8 minutes to conserve energy.

FAQs:

Can this meter be used in hydroponics?

Yes, it is widely used in hydroponics for monitoring nutrient solutions due to its combined pH, EC, and TDS functions.

How often should I calibrate the HI9813-6N?

Calibration is recommended before each use or at least weekly, depending on usage and accuracy needs.

Is the probe replaceable?

Yes, the HI1285-6 probe is replaceable and can be purchased separately from Hanna Instruments.

Does it come with calibration solutions?

Some packages include starter calibration solutions; however, it's best to check with the seller or purchase them separately.

Note: The item is in used condition. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 28069791187

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Charles
Fort Morgan, US
★★★★★ 5
Good shoes for the buck
Size: 13, Color: Dark Brown
Great shoes (I wear them to work and church) and the pictures don’t do them justice. They look really good in person. Very comfortable and hold up nicely
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Reviewed in the United States on May 5, 2026
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Kristina Z.
Pawtucket, US
★★★★★ 4
Decent Work Shoe, But Stitching Flaw
Size: 9.5, Color: Black, Size: 9.5, Color: Black
I like these men's derby shoes for my husband, but I'm not too surprised they are flawed considering they are Amazon brand. Not to say anything bad about Amazon Essentials by any means, since they have great, affordable products available. However, they are obviously not the super expensive men's derby shoes that are out there. I'm grateful to have a lower cost option, hence me getting them, but there were some minor issues. The stitching on the ankle rear of the shoe was a bit off. They are also a thinner faux leather, not as sturdy as a more expensive material would be. For the cost, though, they are exactly what I needed. These will not be returned and will be used for a work event. No complaints from the husband about fit or comfort. And the color and style were as expected.
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Reviewed in the United States on December 6, 2025
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Luis alejandro rodriguez sabala
Massapequa, US
★★★★★ 5
Shoes fit perfectly, are elegant, and price is amazing.
Size: 10, Color: Black, Size: 10, Color: Black
The shoes are incredible for the price. They are not the most confortable, but they look very elegant and fit perfectly. It adjusts rightly. I got 2 pairs. My brother has his feet wider than mine, and the shoes fit perfectly.
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Reviewed in the United States on February 19, 2025
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pchowla
Grantham, US
★★★★★ 3
Looks nice but not comfortable
Size: 9.5, Color: Black
Look nice, fit well, but there is no cushion on the sole so feet hurt after wearing for even a short time.
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Reviewed in the United States on April 14, 2026
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Lori
West Palm Beach, US
★★★★★ 5
Nice shoes
Size: 11, Color: Black
bought for my husband to wear to a funeral. Since he would only be wearing them for a day as we don't dress up ever he didn't want to spend allot. The shoes themselves look more expensive than they were and he said that they were comfortable enough. Not sure how well they will last with daily wear. the services had allot of dirt and the shoes were easy to wipe clean with a damp towel
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