---
product_id: 121340607
title: "CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen"
brand: "fcx"
price: "FREE"
currency: GBP
in_stock: false
category: "Hi"
url: https://www.desertcart.co.uk/products/121340607-ct-6021-digital-display-waterproof-pen-handheld-ph-meter-ph
store_origin: GB
region: United Kingdom
---

# CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen

**Brand:** fcx
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen by fcx
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/121340607-ct-6021-digital-display-waterproof-pen-handheld-ph-meter-ph)

## Best For

- fcx enthusiasts

## Why This Product

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

## Description

1. product features: Acidity meter shell design, LCD display. Small size, portable, ready to measure, and more convenient to use. Less power consumption, high accuracy, wide measuring range, and electrode replacement. 2. technical indicators: Measurement range: 0 ~ 14.00pH Accuracy: ± 0.02pH Resolution: 0.01pH Automatic temperature compensation: 0 ~ 50 ℃ Working temperature: 0 ℃ ~ 50 ℃ Correction: 3 point automatic correction (4.01; 6.86; 9.18&4.01,7.00,10.01) Automatic shutdown: 10 minutes automatic shutdown. Low voltage indication: Yes. C/F automatic conversion: Yes. Maintenance function: Yes. Low voltage indication: Yes. Display: dual display of PH and temperature. Battery: 6V (4*AG13 button battery) Volume: 188mm * 38mm Weight: 82G After the order is confirmed, it will take about 7-15 days to reach your designated address.

## Features

- ★ CT-6021 PH pen acidity meter uses high-performance CPU chip, high-precision AD conversion technology and SMT patch technology is a multi-functional, intelligent instrument.
- ★ All parameters related to pH measurement can be stored, calculated and compensated.
- ★ Automatic Temperature Compensation 0~100℃.
- ★ Clear display, simple operation and accurate test performance make it have excellent performance price ratio.
- ★ It can be widely used in chemical, metallurgical, environmental protection, pharmaceutical, biochemical, food and tap water solution pH value monitoring. It is the best choice for pH value test in the field.
- ›See more product details

## Images

![CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen - Image 1](https://images-na.ssl-images-amazon.com/images/I/41uErgmz-bL.jpg)
![CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen - Image 2](https://images-na.ssl-images-amazon.com/images/I/31OOK2h-AdL.jpg)
![CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen - Image 3](https://images-na.ssl-images-amazon.com/images/I/414dzbG9lVL.jpg)
![CT-6021 digital display waterproof pen/handheld pH meter pH meter portable pH test pen - Image 4](https://images-na.ssl-images-amazon.com/images/I/41kbsVNL6dL.jpg)

---

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**Shop now:** [https://www.desertcart.co.uk/products/121340607-ct-6021-digital-display-waterproof-pen-handheld-ph-meter-ph](https://www.desertcart.co.uk/products/121340607-ct-6021-digital-display-waterproof-pen-handheld-ph-meter-ph)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-01*