---
product_id: 30125877
title: "30073971 ST20 Pen Meter"
brand: "ohaus"
price: "E£ 18793"
currency: EGP
in_stock: true
url: https://www.desertcart.com.eg/products/30125877-30073971-st20-pen-meter
store_origin: EG
region: Egypt
---

# Fast dual-display readings IP67 waterproof durability 5-in-1 multiparameter sensor 30073971 ST20 Pen Meter

**Brand:** ohaus
**Price:** E£ 18793
**Availability:** ✅ In Stock

## Summary

> ⚡ Measure smarter, work faster—precision that keeps up with you!

## Quick Answers

- **What is this?** 30073971 ST20 Pen Meter by ohaus
- **How much does it cost?** E£ 18793 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/30125877-30073971-st20-pen-meter)

## Best For

- ohaus enthusiasts

## Why This Product

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

## Key Features

- • **Smart Energy Saver:** Auto-shutdown extends battery life for marathon lab or field sessions
- • **Lightning-Fast Dual Displays:** Instant, accurate readings with automatic temperature compensation
- • **Rugged IP67 Waterproof Build:** Drop it, splash it—built to survive your toughest fieldwork
- • **Ultra-Portable & Lightweight:** Slim design with wrist strap for effortless single-handed use anywhere
- • **Versatile 5-in-1 Measurement:** pH, ORP, conductivity, salinity & temperature in one sleek device

## Overview

The Ohaus ST20 Pen Meter is a compact, multiparameter device engineered for professionals needing precise pH, ORP, conductivity, salinity, and temperature measurements. Its IP67 waterproof rating and durable design ensure reliability in harsh environments, while dual displays and quick calibration deliver fast, accurate data. Lightweight and portable with energy-efficient auto-shutdown, it’s the ultimate tool for lab, classroom, and field applications.

## Description

Accurate Electrochemistry Measurement At Your Fingertips. After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.

## Features

- MULTIPARAMETER FUNCTIONALITY FOR VERSATILITY – Measures pH, ORP, conductivity, salinity, and temperature, catering to diverse laboratory, classroom, and fieldwork needs.
- WATERPROOF AND DURABLE DESIGN – IP67-rated construction ensures the pen meter can withstand accidental drops into liquids and rough handling in demanding environments.
- FAST AND ACCURATE MEASUREMENTS – Equipped with dual displays, automatic temperature compensation, and a quick calibration system for efficient and reliable data collection.
- PORTABLE AND LIGHTWEIGHT – Slim, compact design with a wrist strap for enhanced portability, allowing single-handed operation and easy transportation.
- ENERGY-EFFICIENT OPERATION – Features auto-shutdown to preserve battery life, ensuring extended usability during long fieldwork or research sessions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B013UEV94I |
| Best Sellers Rank | #340,929 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #302 in Lab pH Meters |
| Brand Name | Ohaus |
| Included Components | Scale |
| Item Dimensions | 9 x 3 x 2 inches |
| Item Weight | 2 pounds |
| Manufacturer | Ohaus |
| Measurement Accuracy | 0.1pH |
| Model | ST20 |
| Number Of Items | 1 |
| Part Number | 30073971 |
| Unit Count | 1 Count |
| Warranty Description | No Warranty |

## Images

![30073971 ST20 Pen Meter - Image 1](https://m.media-amazon.com/images/I/51JCSnXmYfL.jpg)
![30073971 ST20 Pen Meter - Image 2](https://m.media-amazon.com/images/I/51AfAOB-udL.jpg)
![30073971 ST20 Pen Meter - Image 3](https://m.media-amazon.com/images/I/51ZJYgZ-OQL.jpg)
![30073971 ST20 Pen Meter - Image 4](https://m.media-amazon.com/images/I/51v1xyJKt-L.jpg)
![30073971 ST20 Pen Meter - Image 5](https://m.media-amazon.com/images/I/51poGsJzuML.jpg)

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**Shop now:** [https://www.desertcart.com.eg/products/30125877-30073971-st20-pen-meter](https://www.desertcart.com.eg/products/30125877-30073971-st20-pen-meter)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-08-23*