---
product_id: 30125877
title: "Ohaus 30073971 ST20 Pen Meter"
brand: "ohaus"
price: "872.57 DT"
currency: TND
in_stock: true
category: "Ohaus"
url: https://www.desertcart.tn/products/30125877-ohaus-30073971-st20-pen-meter
store_origin: TN
region: Tunisia
---

# Fast dual-display readings IP67 waterproof durability Measures 5 key parameters Ohaus 30073971 ST20 Pen Meter

**Brand:** ohaus
**Price:** 872.57 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Precision in your pocket, power in your hands.

## Quick Answers

- **What is this?** Ohaus 30073971 ST20 Pen Meter by ohaus
- **How much does it cost?** 872.57 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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

- • **Rugged Reliability:** IP67 waterproof rating means it thrives in the toughest lab or field conditions.
- • **Smart Power Saving:** Auto-shutdown extends battery life so you never miss a critical measurement.
- • **On-the-Go Efficiency:** Slim, lightweight design with wrist strap for effortless single-handed use anywhere.
- • **Multifunction Mastery:** Measure pH, ORP, conductivity, salinity, and temperature with one sleek device.
- • **Speed Meets Precision:** Dual displays and quick calibration deliver rapid, accurate results every time.

## Overview

The Ohaus ST20 Pen Meter is a compact, durable, and versatile electrochemical measuring tool designed for professionals who demand accuracy and efficiency. It measures pH, ORP, conductivity, salinity, and temperature with 0.1 pH accuracy, features a waterproof IP67 rating, dual displays, quick calibration, and energy-saving auto-shutdown—perfect for lab, classroom, or fieldwork.

## 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 | #246,120 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #224 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 |

## Product Details

- **Brand:** Ohaus
- **Item Weight:** 2 pounds
- **Item dimensions L x W x H:** 9 x 3 x 2 inches
- **Measurement Accuracy:** 0.1pH
- **Number of Items:** 1

## Images

![Ohaus 30073971 ST20 Pen Meter - Image 1](https://m.media-amazon.com/images/I/31O1mRoa5FL.jpg)
![Ohaus 30073971 ST20 Pen Meter - Image 2](https://m.media-amazon.com/images/I/31U9dRcqkjL.jpg)
![Ohaus 30073971 ST20 Pen Meter - Image 3](https://m.media-amazon.com/images/I/31QDYRs6yAL.jpg)
![Ohaus 30073971 ST20 Pen Meter - Image 4](https://m.media-amazon.com/images/I/31IQzMHHxFL.jpg)
![Ohaus 30073971 ST20 Pen Meter - Image 5](https://m.media-amazon.com/images/I/31wO89n1W9L.jpg)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-23*