---
product_id: 369052014
title: "Hanna Instruments Groline Hydroponic Waterproof Portable Meter"
brand: "hanna instruments"
price: "$840"
currency: NZD
in_stock: true
reviews_count: 5
category: "Hanna Instruments"
url: https://www.desertcart.nz/products/369052014-hanna-instruments-groline-hydroponic-waterproof-portable-meter
store_origin: NZ
region: New Zealand
---

# Quick Cal Mode for fast calibration Selectable EC to TDS conversion factor 3-in-1 pH, EC/TDS & temp sensor Hanna Instruments Groline Hydroponic Waterproof Portable Meter

**Brand:** hanna instruments
**Price:** $840
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow smarter, not harder — precision hydroponics in your pocket!

## Quick Answers

- **What is this?** Hanna Instruments Groline Hydroponic Waterproof Portable Meter by hanna instruments
- **How much does it cost?** $840 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/369052014-hanna-instruments-groline-hydroponic-waterproof-portable-meter)

## Best For

- hanna instruments enthusiasts

## Why This Product

- Trusted hanna instruments brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Speedy Calibration:** Quick Cal Mode lets you calibrate pH and EC/TDS simultaneously with a single solution—no fuss, no wait.
- • **All-in-One Precision:** Combine pH, EC/TDS, and temperature readings in one sleek, waterproof device.
- • **Designed for Growers:** Slim, lightweight, and waterproof—ideal for hydroponic, aquaponic, and greenhouse professionals on the move.
- • **Customizable Accuracy:** Choose your EC to TDS conversion factor (0.5 or 0.7) to match your nutrient monitoring needs perfectly.
- • **User-Friendly Portability:** Compact and easy to handle, this meter fits seamlessly into your daily workflow, ensuring you never miss a critical measurement.

## Overview

The Hanna Instruments Groline HI9814 is a portable, waterproof 3-in-1 meter that accurately measures pH, EC/TDS, and temperature in hydroponic nutrient solutions. Featuring a quick calibration mode and selectable EC to TDS conversion factors, it’s engineered for professional growers seeking fast, reliable, and customizable monitoring in hydroponic, aquaponic, and greenhouse environments.

## Description

The HI9814 is a slim, light and waterproof meter that allows you to measure pH, TDS (ppm) and temperature of your hydroponic nutrient solution. Quick to setup, simple to use, this TDS (ppm) meter makes testing simple. One combined, pre-amplified pH, EC and TDS (ppm) probe for hassle-free measurements. Quick CAL mode for a speedy, single-point calibration for pH and EC with one solution. Designed for hydroponic, aquaponic and greenhouse growers.

Review: High quality.....reliable!!! I recommend it!🤙
Review: Tried just about every brand meter and have been using this one for 4 years now. Make sure to stay up on cleaning it, calibrate it at least once a month, and keep it in storage solution.

## Features

- It is a 3 in 1 amplified probe with pH, EC/TDS and temperature sensors
- Quick Cal Mode to calibrate pH and EC/TDS with one solution
- EC to TDS Conversion factor selectable between 0.5 (500 ppm) and 0.7 (700 ppm)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material Type | Polypropylene |
| Batteries Included? | No |
| Brand | Hanna Instruments |
| Manufacturer | Hanna Instruments |
| Item model number | HI9814 |
| Product Dimensions | 17.78 x 7.62 x 5.08 cm; 748 g |
| ASIN | B01M0CNO7M |

## Images

![Hanna Instruments Groline Hydroponic Waterproof Portable Meter - Image 1](https://m.media-amazon.com/images/I/51qqD6O75WL.jpg)
![Hanna Instruments Groline Hydroponic Waterproof Portable Meter - Image 2](https://m.media-amazon.com/images/I/510XWWqQR7L.jpg)
![Hanna Instruments Groline Hydroponic Waterproof Portable Meter - Image 3](https://m.media-amazon.com/images/I/51pSsTwY2nL.jpg)
![Hanna Instruments Groline Hydroponic Waterproof Portable Meter - Image 4](https://m.media-amazon.com/images/I/61gj23cEAFL.jpg)

## Questions & Answers

**Q: How long does the probe last? Do you get to replace it often like you do with Bluelab?**
A: All pH electrodes need to be replaced, the better you care for your electrode the longer it will last. The lifespan of the probe depends on a variety of factors such as frequency of use, proper storage, regular cleanings and other common best practices for maintaining pH electrodes. The HI9814 has an on-screen indicator that provides visual confirmation that your probe is working at its best. Our probes are designed with the grower in mind and the HI9814 has a 2 year warranty while electrodes and probes are warranted
for a period of six months.

**Q: Is display backlit**
A: Yes

**Q: Does this measure OPR?**
A: No it does not.

**Q: How does this compare to bluelab's combo meter?**
A: This is newer and better made.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***R on 13 April 2021*

High quality.....reliable!!! I recommend it!🤙

### ⭐⭐⭐⭐⭐ Review
*by D***V on 18 December 2024*

Tried just about every brand meter and have been using this one for 4 years now. Make sure to stay up on cleaning it, calibrate it at least once a month, and keep it in storage solution.

### ⭐⭐⭐⭐⭐ Review
*by M***E on 15 December 2019*

This is the easiest meter I've used yet. I also have the groline version below this which is the stick kind ($209 model) and this is worth the extra money so far because you dont have to stick your head in the reservoir to try and see the reading. This one also has a bright backlit display unlike the other model and seems to hold calibration longer.

## Frequently Bought Together

- GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
- Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (500 ml) HI5036-050
- Hanna Instruments HI70300L pH/ORP Electrode Storage Solution, 500mL (16.9oz) Bottle

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-28*