---
product_id: 289725409
title: "Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy"
brand: "apera instruments"
price: "S/.839"
currency: PEN
in_stock: true
reviews_count: 5
category: "Apera Instruments"
url: https://www.desertcart.pe/products/289725409-apera-instruments-ai311-premium-series-ph60-waterproof-ph-pocket-tester
store_origin: PE
region: Peru
---

# Waterproof design for rugged use ±0.01 pH ultra-precise accuracy 8-min auto power-off for battery saving Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy

**Brand:** apera instruments
**Price:** S/.839
**Availability:** ✅ In Stock

## Summary

> 💧 Stay sharp, stay precise — pH testing made effortless.

## Quick Answers

- **What is this?** Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy by apera instruments
- **How much does it cost?** S/.839 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/289725409-apera-instruments-ai311-premium-series-ph60-waterproof-ph-pocket-tester)

## Best For

- apera instruments enthusiasts

## Why This Product

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

## Key Features

- • **Complete Pro Kit:** Includes replaceable probe, calibration & storage solutions, batteries, and rugged case—ready out of the box.
- • **All-Weather Ready:** Waterproof and temperature compensated (32-122˚F) for reliable readings anywhere.
- • **Smart Calibration:** Effortless 1-3 point auto calibration with 5 solution types recognized—no guesswork.
- • **Pinpoint Precision:** Achieve lab-grade ±0.01 pH accuracy for flawless water quality control.
- • **User-Friendly Display:** Large backlit LCD with dual pH/temp readout and smiley stability indicator for instant confidence.

## Overview

The Apera Instruments AI311 PH60 is a premium waterproof pH pocket tester delivering ultra-precise ±0.01 pH accuracy across a wide range (-2.00 to 16.00 pH). Featuring automatic temperature compensation, smart multi-point calibration, and a replaceable glass probe, it’s engineered for professionals managing water quality in hydroponics, pools, beverages, and environmental monitoring. The kit comes fully equipped with calibration solutions, batteries, and a rugged case, ensuring you’re ready to measure with confidence anywhere.

## Description

Apera Instruments PH60 Pocket pH Tester is designed for reliable and easy pH measurement for general water solutions, such as in hydroponics, horticulture, aquaculture, pools& spas, water treatment, cooling towers, environmental monitoring, beverage making, education, etc. The meter comes with a replaceable pH probe (PH60-E) for general water solutions pH test. The meter is also compatible with 3 other types of pH electrodes and an ORP probe (sold separately) for different applications such as solid samples and surface tests. NOTE: Add a few drops of 3M KCL liquid (included in the kit) to their test sample (usually low ion-strength liquid like distilled water or RO water), which will significantly help accelerate the stabilization without affecting the pH reading.

Review: Bon produit, un peu lent a stabiliser. j'ai change pour le PC60, pour a peine plus cher qui fait la conductimetrie egalement.
Review: calidad y presicion

## Features

- NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap
- Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation
- Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)
- High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
- Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
- The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
- COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01ENFOIQE |
| ASIN  | B01ENFOIQE |
| Batteries | 4 AAA batteries required. (included) |
| Batteries  | 4 AAA batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,928) |
| Customer reviews | 4.5 4.5 out of 5 stars (2,928) |
| Date First Available | 1 January 2024 |
| Date First Available  | 1 January 2024 |
| Display Style | LCD |
| Included components | PH60 Pocket pH Tester Kit |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 1 |
| Item Weight | 283 g |
| Item model number | AI311 |
| Item model number  | AI311 |
| Manufacturer | Apera Instruments |
| Manufacturer  | Apera Instruments |
| Material | Polycarbonate Glass |
| Measurement System | US |
| Part number | AI311 |
| Power source type | Battery Powered |
| Product Dimensions | 17.78 x 4.06 x 4.06 cm; 283.5 g |
| Product Dimensions  | 17.78 x 4.06 x 4.06 cm; 283.5 g |
| Size | 1-Pack |
| Special Features | Waterproof |
| Style | Regular Glass Bulb Sensor |

## Images

![Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy - Image 1](https://m.media-amazon.com/images/I/51GaNVQd7oL.jpg)

## Questions & Answers

**Q: For egular maintanance, does the device /probe must be kept inside a solution or can it be kept inside its case dry?**
A: The latest online instruction manual (version 7.7) says this about storing the PH60 probe: 

7 Probe Storage 

7.1 Under regular usage (daily or weekly use), make sure the probe cap is wet, and tightly close the cap with the O-ring. 

7.2 For long-term storage (you are not going to use the product for a while), add 3M KCL soaking solution to the Fill line in the probe cap and store the probe in it. Close on the probe cap tightly with the O-ring. 

7.3 If you find white crystals inside or outside the probe cap, it is perfectly normal. It is the 3M KCL soaking solution that crystalizes over time by its nature. Just rinse them off and add in new soaking solution. This chemical is not poisonous nor dangerous, and the probe’s performance will not be affected at all. 

7.4 NEVER store the probe in pure water like tap, RO, distilled, or deionized water as they could damage the pH probe. Pure water is only for rinsing the probe.

**Q: Would this work for chemistry experiments (done as part of a homeschool chemistry course)?**
A: Yes, but advanced warning, we recommend keeping the ph measure above ph of 2 and below a ph of 12 as ph measures beyond those points will shorten the life of the sensor and is considered improper use and voids the warranty. 

It may be wise to check in advance if the chemistry course will have the student delving into substances more acidic than lemon juice like HCL, or more alkaline than hand soap. Be sure to have distilled water to rinse all substances away from the probe when testing.

**Q: Looked up the replacement probes. Freaking 35-50 bucks on average. Could just buy a whole new pen for that much? Any cheap replacment probes?**
A: Just replaced my probe on my PH60 after 2.5 years use.  Got it in two days, for $28.

**Q: Does this check PPM ?**
A: No, that would be our EC60 and PC60 that will do PPM under the measurement for Total Dissolved Solids (TDS). PH60 does only PH and mV for an ORP probe sold separately.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***S on 15 March 2021*

Bon produit, un peu lent a stabiliser. j'ai change pour le PC60, pour a peine plus cher qui fait la conductimetrie egalement.

### ⭐⭐⭐⭐⭐ Review
*by R***S on 7 August 2025*

calidad y presicion

### ⭐⭐⭐⭐⭐ Review
*by S***H on 13 September 2018*

I use a ph meter for plant nutrient solution. Previously, I had a couple of cheap China imports, which seemed reasonably accurate for a while, but don't last long. All ph probes degrade over time, so rather than keep buying cheap, I decided to get a more reliable one with a replaceable probe. This is quite expensive compared to some other brands with good reviews, say the Essentials PH Meter, and @ £29 the replacement probe is not much cheaper than buying a new Essentials meter. However, replacing just the probe reduces waste, and gives you options: there are 4 compatible probe types (all available on Amazon), which you can buy separately as replacements, or to measure different substances. The glass bulb is for liquids, the spear probe for solids, such as foods, soil, the flat probe for paper, cloth, skin etc. And you can buy an ORP (Oxygen Reduction Potential) probe to use with this meter, which tells you the "killing power" of your solution/water (sterilising or not, a simplification of complex subject). The life of the probe will depend on how often you use it, and how you treat it. The probe is supposed to last 12 - 24 months - it's CE rated for 6 months (for safe use), but that's NOT its life expectancy. It CAN be stored dry, without degrading it, according to instructions, but storing it dry will affect its sensitivity. So if you store it dry, for accuracy, you need to soak it in the provided solution before use. It can be stored in the soaking solution, but NOT in purified water. The kit comes with everything you need: soaking solution, 2 calibration solutions, batteries, lanyard (quite a long one), 2 containers for calibration, instruction manuals in English and German, as well as a laminated quick reference chart, all in a hard plastic case. The instructions are clear, easy to understand, and contain all relevant info. Instructions say not to use soaking/storage solutions from other companies, but as long as the same (potassium chloride or kcl @ 3 molar strength) and/or for the same type of ph meter, I don't see why. Will be ignoring that myself (no Apera replacements on Amazon, either). The calibration solutions will last quite a while, the soaking solution is enough to fill the cap to the mark about twice. 2 reviews for the replacement probe said the glass bulb was too exposed and breaks easily. I disagree - the bulb is inside and above the plastic rim, which does have gaps in the side, but doubt it would break if dropped on flat surface. IP67 means it's dust proof, and can be immersed in up to 1 m of water, or for up to 30 mins, depending on info source. It doesn't mean it's hermetically sealed, though. Overall, the meter seems robust, and looks like it will stand up well to any normal use. So far, would recommend, despite quite high price, as seems well worth it, all things considered. Edit: Have been using this for 6 years now, about once per week, and it still works fine. Have not calibrated it in a while, but it seems to be accurate enough for my purposes (fertiliser/irrigation solution for plants). Like the back-light feature, and it's very easy to calibrate. If it keeps switching to settings screen when you turn it on, it means batteries need replacing, the battery icon does not seem to show accurately. Have so far replaced mine once.

## Frequently Bought Together

- Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display
- Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each
- Apera Instruments 3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-02-03*