---
product_id: 292731108
title: "DO600 Waterproof ExStik II Dissolved Oxygen Meter"
brand: "extech"
price: "S$589"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/292731108-do600-waterproof-exstik-ii-dissolved-oxygen-meter
store_origin: SG
region: Singapore
---

# Compact 1.4"x6.9"x1.6" Lightweight 3.8 oz 0-50°C temp range DO600 Waterproof ExStik II Dissolved Oxygen Meter

**Brand:** extech
**Price:** S$589
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into precision with the Extech DO600 — your ultimate dissolved oxygen sidekick!

## Quick Answers

- **What is this?** DO600 Waterproof ExStik II Dissolved Oxygen Meter by extech
- **How much does it cost?** S$589 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/292731108-do600-waterproof-exstik-ii-dissolved-oxygen-meter)

## Best For

- extech enthusiasts

## Why This Product

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

## Key Features

- • **Altitude & Salinity Smart:** Adjust altitude up to 20,000 ft and salinity up to 50 ppt for flawless readings in any environment.
- • **Precision Oxygen Readings:** Instantly see dissolved oxygen in % saturation or mg/L for lab-grade accuracy.
- • **Built for Field Durability:** Waterproof design with a rugged, easy-to-replace screw-on membrane cap keeps you measuring anywhere.
- • **Ultra-Portable & Lightweight:** At just 3.8 oz and compact size, it fits perfectly in your field kit without weighing you down.
- • **Trend Tracking Analog Bargraph:** Visualize oxygen level changes on the go with a clear, intuitive analog bargraph.

## Overview

The Extech DO600 Waterproof ExStik II is a compact, lightweight dissolved oxygen meter featuring a 0-50°C temperature range, adjustable altitude and salinity compensation, and a user-friendly analog bargraph. Its waterproof design and replaceable membrane cap make it ideal for accurate oxygen measurements in diverse field conditions.

## Description

Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter

## Features

- 0 to 50°C Temperature Range
- 1.4" D x 6.9" H x 1.6" W
- 3.8 oz Weight
- DO sensor with easy to replace screw-on membrane cap with optional extension cables
- Oxygen level displayed as percent saturation or concentration (mg/L (ppm))
- Adjustable altitude compensation (0-20,000-Feet in 1,000-Feet increments)
- Adjustable salinity compensation from 0 to 50ppt
- Analog bargraph indicates trends

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Extech |
| Style | DO600 |
| Color | White |
| Item Weight | 0.11 Kilograms |
| Alarm | Audible |
| Upper Temperature Rating | 50 Degrees Celsius |
| Global Trade Identification Number | 00793950056004 |
| Number of Items | 1 |
| Manufacturer | Extech |
| UPC | 793950056004 |
| Product Dimensions | 6.9 x 1.6 x 1.4 inches |
| Item Weight | 3.87 ounces |
| ASIN | B000R8253K |
| Item model number | DO600 |
| Batteries | 4 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Date First Available | May 24, 2007 |

## Product Details

- **Brand:** Extech
- **Style:** DO600
- **Power source:** Battery Powered
- **Colour:** White
- **Item weight:** 0.11 Kilograms

## Images

![DO600 Waterproof ExStik II Dissolved Oxygen Meter - Image 1](https://m.media-amazon.com/images/I/51MVh1QuTvL.jpg)

## Questions & Answers

**Q: Is it for testing the% of oxygen in water, right? Can I use it for fish farming unit?**
A: Hi, I use it to check Dissolved Oxygen in the water for fish as well as for brewing compost teas.

**Q: Does this unit log more than one reading at a time? (Or do you need to write down each reading as you go?)**
A: Unit does not log readings...you must write down and then continue on.

**Q: how wide is the tip that goes in the water?**
A: The tip is about 1/2 inch.

**Q: Can I use this device to measure dissolved oxygen in a water solution with 1% sacarose?**
A: Sorry, I use my meter in rivers and ponds. No idea otherwise.

## Frequently Bought Together

- Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter
- Extech PH110 Waterproof ExStik pH Meter
- EXTECH Instruments RE300 ExStik ORP Meter

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**Shop now:** [https://www.desertcart.sg/products/292731108-do600-waterproof-exstik-ii-dissolved-oxygen-meter](https://www.desertcart.sg/products/292731108-do600-waterproof-exstik-ii-dissolved-oxygen-meter)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-16*