---
product_id: 30125877
title: "Ohaus 30073971 ST20 Pen Meter"
brand: "ohaus"
price: "R3578"
currency: ZAR
in_stock: true
category: "Ohaus"
url: https://www.desertcart.co.za/products/30125877-ohaus-30073971-st20-pen-meter
store_origin: ZA
region: South Africa
---

# 1.77 in height 7.28 in length 1.0 lb weight Ohaus 30073971 ST20 Pen Meter

**Brand:** ohaus
**Price:** R3578
**Availability:** ✅ In Stock

## Summary

> 🔍 Measure with Confidence: The Ohaus ST20 Pen Meter is your pocket-sized precision partner!

## Quick Answers

- **What is this?** Ohaus 30073971 ST20 Pen Meter by ohaus
- **How much does it cost?** R3578 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/30125877-ohaus-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

- • **Durable Build:** Engineered to withstand the rigors of daily use.
- • **Made in the USA:** Support local craftsmanship with this high-quality product.
- • **User-Friendly Interface:** Intuitive controls make it easy for anyone to use.
- • **Compact Design for On-the-Go:** Easily portable with dimensions that fit in your pocket.
- • **Precision at Your Fingertips:** Experience accurate measurements with the Ohaus ST20 Pen Meter.

## Overview

The Ohaus 30073971 ST20 Pen Meter is a compact and lightweight measuring tool designed for professionals who demand accuracy and portability. With dimensions of 1.77 H x 7.28 L x 1.5 W inches and a weight of just 1.0 pounds, this meter is perfect for on-the-go measurements. Proudly made in the USA, it combines durability with user-friendly features, making it an essential tool for any professional.

## 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 | #170,574 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #167 in Lab pH Meters |
| Date First Available | August 12, 2015 |
| Item Weight | 2 pounds |
| Item model number | ST20 |
| Manufacturer | Ohaus |
| Product Dimensions | 9 x 3 x 2 inches |

## Images

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

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

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-05-09*