---
product_id: 390004681
title: "PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display"
price: "$419.69"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/390004681-ph90-waterproof-ph-meter-pocket-digital-tester-for-water-beverages
store_origin: EC
region: Ecuador
---

# PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display

**Price:** $419.69
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display
- **How much does it cost?** $419.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/390004681-ph90-waterproof-ph-meter-pocket-digital-tester-for-water-beverages)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Extech PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Extech |
| Part Number | PH90 |
| Item Weight | 2.88 ounces |
| Product Dimensions | 6.7 x 1.4 x 1.4 inches |
| Item model number | PH90 |
| Batteries | 2 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Style | PH90 |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | Metric |
| Included Components | Flat surface pH electrode, cap, batteries (pH buffers sold separately). |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |

## Images

![PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display - Image 1](https://m.media-amazon.com/images/I/51MC74BKViL.jpg)

## Frequently Bought Together

- Extech PH90 Waterproof PH Meter
- pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 250 ml (8.4 fl oz) Each — Color Coded — NIST Traceable for All pH Meters
- pH/Oxygen Reduction Potential (ORP) Electrode Storage Solution, 250 mL (8.4 fl oz) — Suitable for All pH Meters — 1M KCl Solution — Keeps Your Probe Conditioned and Helps to Extend its Life

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/390004681-ph90-waterproof-ph-meter-pocket-digital-tester-for-water-beverages](https://www.desertcart.ec/products/390004681-ph90-waterproof-ph-meter-pocket-digital-tester-for-water-beverages)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-04*