Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter

The DO210 Dissolved Oxygen Meter is a comprehensive and versatile tool for accurate DO measurement, featuring adjustable altitude and salinity compensation as well as min, max and data hold functions.

Extech

Item #: 243319080

Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter

88% of respondents would recommend this to a friend

Item #: 243319080

NZD 688

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The DO210 Dissolved Oxygen Meter is a comprehensive and versatile tool for accurate DO measurement, featuring adjustable altitude and salinity compensation as well as min, max and data hold functions.

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What Stands Out

Waterproof Design

Built to withstand harsh conditions, the Extech DO600 functions effectively in wet environments, ensuring durability and reliability for outdoor or laboratory use.

Comprehensive Measurements

Measures dissolved oxygen levels in either percent saturation or mg/L, with salinity and temperature compensation, catering to various aquatic analysis needs.

User-Friendly

Features auto calibration, data hold, and MIN/MAX functions, allowing for effortless operation and accurate readings, making it suitable for both novice and experienced users.

Product Details

Measures Dissolved Oxygen (DO) from 0 to 20.0mg/L and Oxygen Percent from 0 to 100.0% with built-in temperature sensor for Automatic Temperature Compensation (ATC)
Features Adjustable Altitude and Salinity Compensation for accurate readings in different environments
Includes min, max and data hold functions for convenient data management
Comes with DO probe with membrane and 39 (1m) cable, two spare replacement membranes, electrolyte, 9V battery, and soft case for complete usability
Designed for quick and efficient measurements of Dissolved Oxygen or % Oxygen in water
Built-in polarographic type oxygen probe ensures reliable and precise measurements

Brand Name	Extech
Number of Items	1
Unit Count	1 Count
Voltage	3 volts
Part Number	DO600
UPC	793950056004
Global Trade Identification Number	00793950056004
Manufacturer	Extech
Included Components	Waterproof ExStik
Item Type Name	- Portable DO Tester with Salinity and Temperature Compensation, Auto Calibration, Data Hold, Min/Max, Large LCD
Model	DO600
Material Type	Stainless Steel
Thread Style	1/4-20 Unc
Item Dimensions	6.9 x 1.6 x 1.4 inches (17.5 x 4.1 x 3.6 cm)
Item Weight	0.11 kg
Brand	Extech
Material	Stainless Steel
Item dimensions L x W x H	6.9 x 1.6 x 1.4 inches (17.5 x 4.1 x 3.6 cm)
Item Highlight	DO percent saturation or mg/L, salinity and temp compensation, auto calibration, data hold, MIN/MAX

Who Should Buy?

Aquarium Enthusiasts
Ideal for hobbyists monitoring oxygen levels in fish tanks to ensure a healthy aquatic environment.
Environmental Scientists
Useful for researchers measuring dissolved oxygen in various water bodies during ecological studies.
Aquaculture Farmers
Essential for monitoring oxygen in fish farms, helping maintain optimal conditions for fish health and growth.

Casual Users
Not suitable for individuals needing a simple or basic solution for water testing without advanced features.

Product Description

Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter

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Product Buying Guide

The Extech DO210 Dissolved Oxygen Meter is designed to provide accurate and efficient measurements of Dissolved Oxygen, Percentage Oxygen, and Temperature in water. It comes equipped with an automatic temperature compensation feature, a polarographic-type oxygen probe, and adjustable altitude and salinity compensation. With its reliable performance, this meter is well-suited for various professional and personal applications. Continue Reading

Customer Questions & Answers

Question: What is the Extech DO600 Dissolved Oxygen Meter used for?

Answer: The Extech DO600 is primarily used for measuring the concentration of dissolved oxygen in liquids, particularly in aquaculture, environmental monitoring, and water treatment. By utilizing advanced sensor technology, it provides accurate readings, which are essential for assessing water quality in ponds, lakes, and industrial applications. This meter is especially valuable for professionals managing aquatic ecosystems, ensuring that oxygen levels remain safe for aquatic life.
Question: Is the Extech DO600 meter waterproof?

Answer: Yes, the Extech DO600 is designed to be waterproof, making it ideal for usage in various aquatic environments. Its robust construction safeguards it against exposure to water, allowing for accurate readings even in challenging conditions. Whether you’re testing in a lab or in the field, this meter withstands splashes and brief submersions, ensuring reliable performance without compromising its functionality.
Question: How does the Extech DO600 ensure accurate dissolved oxygen readings?

Answer: The Extech DO600 employs a polarographic sensor for precise measurement of dissolved oxygen levels. This technology allows for quick response times and minimizes errors in varying conditions. Additionally, it includes features like automatic temperature compensation, which adjusts readings based on the water temperature, thus ensuring high accuracy. Users can rely on this meter to obtain consistent, trustworthy data in their environmental assessments.
Question: What are the key features of the Extech DO600?

Answer: Key features of the Extech DO600 include a large LCD display for easy readability, a waterproof design, and advanced data logging capabilities. The sensor can measure dissolved oxygen levels from 0 to 20 mg/L with a resolution of 0.01 mg/L. Moreover, it offers an auto-hold function that freezes the reading for analysis, making it a versatile tool for both beginners and experienced professionals in scientific research or fieldwork.
Question: Can I use the Extech DO600 for both freshwater and saltwater applications?

Answer: Absolutely! The Extech DO600 is suitable for both freshwater and saltwater environments, which makes it a versatile tool for aquaculture, marine biology research, and various water quality testing scenarios. Its calibration options allow users to tailor the measurements to the specific type of water they are analyzing, ultimately providing accurate readings no matter the salinity levels.
Question: What is included with the Extech DO600 meter purchase?

Answer: When you purchase the Extech DO600 Dissolved Oxygen Meter, it typically comes with everything you need to start measuring right away, including the meter itself, a protective cap, and necessary calibration solutions. Some versions may also include a user manual or a quick-start guide to help you understand its features and function efficiently. This ensures a comprehensive package for both novice and advanced users.
Question: How do I calibrate the Extech DO600?

Answer: Calibrating the Extech DO600 is a straightforward process. You can perform a two-point calibration using saturated air and a zero oxygen solution. Proper calibration is crucial for accuracy, especially when transitioning between different water types. Following the instructions in the user manual will guide you step-by-step through the calibration process, ensuring minimal errors and reliable results tailored to your testing conditions.
Question: What is the battery life like for the Extech DO600?

Answer: The Extech DO600 is designed for longevity, featuring efficient battery management that allows for extended usage between changes. Typically, users can expect several hours of continuous operation on fresh batteries. This is particularly beneficial for fieldwork where charging facilities might be unavailable. Additionally, the meter has a low-battery indicator, ensuring you’re alerted in advance to avoid interruptions during tests.
Question: Can the Extech DO600 store data, and how does that work?

Answer: Yes, the Extech DO600 can store multiple readings in its internal memory. This feature is advantageous for professionals conducting lengthy field studies or monitoring water conditions over time. Once data is collected, you can easily retrieve and review it on the display. This capability helps in analyzing trends in dissolved oxygen levels, offering insights that are crucial for environmental management and compliance.
Question: Where can I buy the Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter?

Answer: You can buy the Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter at Ubuy in New Zealand. Ubuy offers a convenient online shopping experience with a variety of products, ensuring that you have access to accurate measurements for your water quality assessments. Their platform features user-friendly navigation, helping you find this essential tool quickly.

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customer

Verified buyer

“Great service and delivery wasn't to long considering it came from American.”

3 August 2026 · via Trustpilot

Dneah

Verified buyer

“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

15-Jul-26 · via Trustpilot

Andrea

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“Quick delivery and my Goop products are exactly as ordered thank you”

5 August 2026 · via Trustpilot

Keith

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“All went promised. Arrived earlier than expected”

8 August 2026 · via Trustpilot

Haley

Verified buyer

“America to New Zealand in under a week, safe and sound. Highly recommend!”

10 August 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NZD 688

Order now and get it around Sunday, September 27

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Features & Benefits

Measures DO from 0 to 20.0mg/L, Oxygen Percent from 0 to 100.0% and Temperature with ATC
Adjustable Altitude and Salinity Compensation
Min, max and data hold functions
Complete with DO probe with membrane and 39 (1m) cable, two spare replacement membranes, electrolyte, 9V battery and soft case

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Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter