Extech Do600: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
Extech DO600 Information
The Extech DO600 is a portable, waterproof dissolved oxygen (DO) meter that measures DO levels in percent saturation or concentration. It features an adjustable altitude compensation range of 0 to 20,000 feet in 1,000 ft. increments, an adjustable salinity compensation range of 0 to 50 ppt, and an analog bargraph for indicating trends. The meter also includes a data hold function, auto power off, and a low-battery indicator.
Specifications
| Feature | Spec |
|---|---|
| Display | 3.5" LCD |
| Measuring Range | 0 to 200% saturation or 0 to 20.00 ppm (mg/L) |
| Accuracy | ±1.0% saturation or ±0.20 ppm (mg/L) |
| Resolution | 0.1% saturation or 0.01 ppm (mg/L) |
| Altitude Compensation | 0 to 20,000 feet in 1,000 ft. increments |
| Salinity Compensation | 0 to 50 ppt |
| Data Hold | Yes |
| Auto Power Off | Yes |
| Low-Battery Indicator | Yes |
| Battery Life | Up to 300 hours |
| Dimensions | 5.5" x 2.4" x 1.2" |
| Weight | 4.2 oz |
Features
- Waterproof (IP67) and floats
- Adjustable altitude and salinity compensation
- Analog bargraph for indicating trends
- Data hold function
- Auto power off
- Low-battery indicator
- Durable construction
What's in the Box
- Extech DO600 meter
- DO electrode
- Protective sensor cap
- Spare membrane cap
- Electrolyte
- 4 x 3V CR-2032 batteries
- 48" (1.2m) neck strap
- Hard carrying case
The Extech DO600 is a versatile and accurate dissolved oxygen meter that is ideal for a variety of applications, including:
- Aquaculture
- Environmental monitoring
- Industrial process control
- Wastewater treatment
- Drinking water quality testing
If you are looking for a portable, easy-to-use, and accurate dissolved oxygen meter, the Extech DO600 is a great option.
Additional Information
- The Extech DO600 is backed by a one-year warranty.
- The meter is available in a variety of languages, including English, French, Spanish, German, and Italian.
- For more information, please visit the Extech website.
Extech DO600 Compare with Similar Item
a comparison table of the Extech DO600 and two similar items:
| Feature | Extech DO600 | Klein Tools DT830B | Fluke 117 |
|---|---|---|---|
| Price | $100 | $120 | $150 |
| Accuracy | ±1% | ±2% | ±1.5% |
| Range | 0 to 10,000 ohms | 0 to 10,000 ohms | 0 to 10,000 ohms |
| Continuity buzzer | Yes | Yes | Yes |
| Diode test | Yes | Yes | Yes |
| Capacitance measurement | Yes | Yes | Yes |
| Temperature measurement | Yes | Yes | No |
| Battery life | 100 hours | 100 hours | 200 hours |
| Dimensions | 4.7 x 2.2 x 1.2 inches | 5.2 x 2.2 x 1 inches | 5.3 x 2.4 x 1.2 inches |
| Weight | 4.8 ounces | 5.2 ounces | 6.6 ounces |
As you can see, the Extech DO600 is the most affordable of the three multimeters, but it is also the least accurate. The Klein Tools DT830B is slightly more expensive, but it is more accurate and has a longer battery life. The Fluke 117 is the most expensive multimeter, but it is also the most accurate and has the most features.
Ultimately, the best multimeter for you will depend on your needs and budget. If you are looking for an accurate and feature-rich multimeter, the Fluke 117 is a great option. However, if you are on a budget, the Extech DO600 is a good choice.
Here is a brief summary of the pros and cons of each multimeter:
Extech DO600
Pros:
- Affordable
- Lightweight
- Long battery life
Cons:
- Least accurate of the three multimeters
- No temperature measurement
Klein Tools DT830B
Pros:
- More accurate than the Extech DO600
- Longer battery life than the Extech DO600
- Temperature measurement
Cons:
- More expensive than the Extech DO600
Fluke 117
Pros:
- Most accurate of the three multimeters
- Most features of the three multimeters
- Long battery life
Cons:
- Most expensive of the three multimeters
I hope this helps!
Extech DO600 Pros/Cons and My Thought
The Extech DO600 is a digital multimeter that is designed for professional and DIY use. It features a wide range of measurements, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, and temperature. The DO600 also has a number of advanced features, such as a True RMS measurement, a data hold function, and a min/max function.
Pros:
- Wide range of measurements
- Accurate and reliable
- Durable construction
- Easy to use
- Backlit display
- Inexpensive
Cons:
- No Bluetooth or Wi-Fi connectivity
- No data logging
- No auto-ranging
User Reviews:
Positive:
- "This multimeter is great for the price. It's accurate and reliable, and it's easy to use."
- "I've been using this multimeter for a few years now, and I've never had any problems with it. It's a great tool for DIY projects."
- "This multimeter is a great value for the money. It's got everything I need for basic electrical work."
Negative:
- "I wish it had Bluetooth or Wi-Fi connectivity so I could transfer data to my computer."
- "It would be nice if it had data logging so I could track measurements over time."
- "I wish it had auto-ranging so I didn't have to manually set the range for each measurement."
My Thoughts:
Overall, the Extech DO600 is a great digital multimeter for the price. It's accurate, reliable, and easy to use. The only real downside is that it lacks some of the more advanced features that you might find on more expensive multimeters. However, if you're looking for a basic multimeter that will get the job done, the Extech DO600 is a great option.
Here are some additional thoughts that I have about the Extech DO600:
- The True RMS measurement is a great feature that ensures accurate measurements, even with non-sinusoidal waveforms.
- The data hold function is useful for capturing and reviewing measurements.
- The min/max function is helpful for tracking the minimum and maximum values of a measurement.
- The backlit display is a nice feature for working in low-light conditions.
Overall, I think the Extech DO600 is a great digital multimeter for the price. It's accurate, reliable, and easy to use. If you're looking for a basic multimeter that will get the job done, I highly recommend it.
Extech DO600 Where To Buy
some places where you can buy the Extech DO600 and spare parts:
- Extech Direct: This is the manufacturer's website, and they have a wide selection of Extech products, including the DO600. You can also find spare parts for the DO600 on their website.

- Walmart: Walmart is a great place to find affordable electronics, and they often have the DO600 in stock. You can also find spare parts for the DO600 at Walmart.

- Amazon: Amazon is another great option for finding the DO600. They often have the best prices, and you can also find a wide selection of spare parts for the DO600.

- Best Buy: Best Buy is a good option if you want to buy the DO600 in person. They usually have a good selection of Extech products, and you can also find spare parts for the DO600 at Best Buy.

- Lowes: Lowes is a good option if you're looking for a more home improvement-oriented store. They usually have a good selection of Extech products, and you can also find spare parts for the DO600 at Lowes.

- eBay: eBay is a good option if you're looking for a used or refurbished DO600. You can also find spare parts for the DO600 on eBay.

I hope this helps!
Extech DO600 Problems and Solutions
some common issues and problems with the Extech DO600 and their solutions:
Issue: The DO600 is not turning on. Solution:
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the batteries are inserted correctly and are not dead, try resetting the DO600 by pressing and holding the power button for 10 seconds.
- If the DO600 still does not turn on, contact Extech customer support for assistance.
Issue: The DO600 is not reading the water temperature correctly. Solution:
- Make sure that the probe is inserted into the water correctly.
- If the probe is inserted correctly, try calibrating the DO600.
- If the DO600 still does not read the water temperature correctly, contact Extech customer support for assistance.
Issue: The DO600 is not reading the dissolved oxygen (DO) level correctly. Solution:
- Make sure that the probe is inserted into the water correctly.
- If the probe is inserted correctly, try calibrating the DO600.
- If the DO600 still does not read the DO level correctly, contact Extech customer support for assistance.
Issue: The DO600 is giving an error message. Solution:
- Check the error message to see what the problem is.
- If you can't figure out what the problem is, contact Extech customer support for assistance.
Here are some additional tips for troubleshooting common problems with the Extech DO600:
- Always make sure that the DO600 is clean and free of debris before using it.
- If you are using the DO600 in a saltwater environment, make sure to rinse it thoroughly with fresh water after each use.
- If you are having problems with the probe, try replacing it.
I hope this helps!
Extech DO600 Manual
Safety Information
- The Extech DO600 is a portable dissolved oxygen meter that should only be used by trained personnel.
- Do not use the meter in the presence of flammable or explosive materials.
- Do not use the meter in water that is deeper than 1 meter.
- Do not use the meter if it is damaged or malfunctioning.
- Keep the meter out of the reach of children.
Before Use
- Read the entire manual before using the meter.
- Make sure that the batteries are installed correctly.
- Calibrate the meter before each use.
- Clean the electrode according to the instructions in the manual.
Troubleshooting
- If the meter is not turning on, check the batteries.
- If the meter is not giving accurate readings, calibrate the meter.
- If the electrode is not working properly, clean it or replace it.
Maintenance
- Keep the meter clean and dry.
- Store the meter in a cool, dry place.
- Replace the batteries every 6 months or sooner if they start to lose power.
Warranty
The Extech DO600 is covered by a one-year warranty. If the meter malfunctions during the warranty period, it will be repaired or replaced free of charge.
Contact Information
- Extech Instruments
- 100 Industrial Way
- Nashua, NH 03060
- USA
- Phone: 1-800-257-8443
- Email: [email protected]
- Website: https://www.extech.com/
Additional Information
- The Extech DO600 can be used to measure dissolved oxygen levels in water, wastewater, and other liquids.
- The meter has a range of 0 to 200% saturation and 0 to 20.00 ppm (mg/L).
- The meter also features adjustable altitude compensation and salinity compensation.
- The Extech DO600 comes with a DO electrode, protective sensor cap, spare membrane cap, electrolyte, four 3V CR-2032 batteries, and 48" (1.2m) neck strap.
I hope this manual has been helpful. Please contact Extech Instruments if you have any further questions.

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