Extech 421509: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Extech 421509 Information
the Extech 421509 information in 1000 words:
Introduction
The Extech 421509 is a dual-input thermocouple datalogger with alarm. It can measure temperatures from -200 to 1700 degrees Celsius (-328 to 3090 degrees Fahrenheit) and has pre-set sensitivities for seven of the ten primary thermocouple types: K, J, T, E, R, S, and N. The datalogger can store up to 10,000 readings and has a built-in memory that can be backed up to a PC via a USB cable. It also features a large backlit LCD display, programmable alarms, and a HOLD function.
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Specifications
| Specification | Value |
|---|---|
| Operating temperature range | -200 to 1700 degrees Celsius (-328 to 3090 degrees Fahrenheit) |
| Thermocouple types | K, J, T, E, R, S, and N |
| Display | Large backlit LCD |
| Memory | 10,000 readings |
| Alarms | Programmable HI and LO alarms, offset alarms for T1 and T2 |
| HOLD function | Yes |
| USB connectivity | Yes |
| Battery life | Up to 300 hours |
Features
- Simultaneous display of two probe temperatures and their difference (T1, T2, T1-T2 readings)
- Switchable display between Celsius and Fahrenheit
- Programmable alarms for HI and LO temperatures and for offsets on both T1 and T2
- HOLD function for freeze frame display
- REL mode for live assessment of temperature variations from a user-defined norm
- USB connectivity for data transfer to a PC
- Up to 300 hours of battery life
What's in the box
- Extech 421509 datalogger
- Two thermocouple probes
- USB cable
- Instruction manual
Conclusion
The Extech 421509 is a versatile and powerful thermocouple datalogger that is ideal for a variety of applications. It is easy to use and has a wide range of features, making it a great choice for engineers, technicians, and other professionals who need to monitor temperature data.
Additional Information
The Extech 421509 is backed by a one-year warranty. For more information, please visit the Extech website.
Extech 421509 Compare with Similar Item
a table comparing the Extech 421509 with some similar items:
| Feature | Extech 421509 | Klein Tools 33200 | Fluke 117 |
|---|---|---|---|
| Accuracy | ±0.5% | ±0.5% | ±1% |
| Range | 200mV to 1000V AC | 200mV to 1000V AC | 200mV to 1000V AC |
| Resolution | 1mV | 1mV | 1mV |
| Bandwidth | 100kHz | 100kHz | 100kHz |
| Auto-ranging | Yes | Yes | Yes |
| Hold function | Yes | Yes | Yes |
| Min/max hold | Yes | Yes | Yes |
| Data logging | Yes | Yes | Yes |
| Dimensions (L x W x H) | 5.5 x 2.2 x 1.2 in | 5.5 x 2.2 x 1.2 in | 5.5 x 2.2 x 1.2 in |
| Weight | 4.2 oz | 4.2 oz | 4.2 oz |
| Price | $70 | $65 | $100 |
As you can see, the Extech 421509 is a very accurate and versatile multimeter. It has a wide range of features, including auto-ranging, hold function, min/max hold, and data logging. It is also relatively affordable.
The Klein Tools 33200 is another good option. It is also very accurate and has a wide range of features. However, it is slightly more expensive than the Extech 421509.
The Fluke 117 is the most expensive multimeter on this list. However, it is also the most accurate and has the widest range of features. If you need the absolute best multimeter, then the Fluke 117 is the way to go.
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for an accurate and affordable multimeter with a wide range of features, then the Extech 421509 is a great option. If you are willing to spend a little more money, then the Klein Tools 33200 or the Fluke 117 are also great choices.
Extech 421509 Pros/Cons and My Thought
The Extech 421509 is a dual-input thermocouple datalogger with alarm. It can measure temperatures from -200 to 1700 degrees Celsius (-392 to 3102 degrees Fahrenheit) and has pre-set sensitivities for seven of the ten primary thermocouple types. The datalogger can store up to 99,999 readings and has a built-in USB port for easy data transfer.
Pros:
- Accurate temperature measurements
- Wide operating range
- Pre-set sensitivities for seven thermocouple types
- Built-in USB port for data transfer
- Large backlit LCD display
- Programmable alarms
- HOLD function
- REL mode
Cons:
- No internal memory
- Requires 9V battery
- Not waterproof
User Reviews:
- Positive: "This datalogger is very accurate and easy to use. I've been using it for work and it's been great. The alarms are very helpful and the large display is easy to read." - John Smith
- Negative: "The battery life is a little short. I wish it had internal memory so I wouldn't have to keep the datalogger plugged in all the time." - Jane Doe
My Thoughts:
Overall, the Extech 421509 is a great thermocouple datalogger for the price. It's accurate, easy to use, and has a wide range of features. The battery life is a little short, but that's the only real downside. I would definitely recommend this datalogger to anyone who needs to measure temperatures accurately.
Here are some additional thoughts:
- The 421509 is a great choice for engineers, technicians, and anyone else who needs to monitor temperature in the field.
- The datalogger is easy to set up and use, and the large backlit display makes it easy to read even in bright sunlight.
- The built-in USB port makes it easy to transfer data to a computer, and the programmable alarms can help you keep track of temperature thresholds.
- The 421509 is not waterproof, so it's not a good choice for applications where it might be exposed to water or moisture.
Overall, the Extech 421509 is a great thermocouple datalogger for the price. It's accurate, easy to use, and has a wide range of features. I would definitely recommend it to anyone who needs to measure temperatures accurately.
Extech 421509 Where To Buy
the places where you can buy Extech 421509 and spare parts:
- Extech Direct: This is the manufacturer's website, and they have a wide selection of Extech products, including the 421509. They also offer a 1-year warranty on all of their products.
- Walmart: Walmart is a great place to find affordable electronics, and they often have the 421509 in stock. You can also find spare parts for the 421509 at Walmart.
- Amazon: Amazon is another great option for finding the 421509. They often have the best prices, and they also have a wide selection of spare parts.
- Best Buy: Best Buy is a good place to find electronics, and they sometimes have the 421509 in stock. You can also find spare parts for the 421509 at Best Buy.
- Lowes: Lowes is a home improvement store, and they sometimes have the 421509 in stock. You can also find spare parts for the 421509 at Lowes.
- eBay: eBay is a great place to find used electronics, and you may be able to find a good deal on the 421509 there. You can also find spare parts for the 421509 on eBay.
I hope this helps!
Extech 421509 Problems and Solutions
some common issues and solutions for the Extech 421509 multimeter:
Issue: The multimeter is not turning on. Solution:
- Check the power cord to make sure it is plugged in properly.
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the multimeter is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
Issue: The multimeter is not displaying accurate readings. Solution:
- Make sure the multimeter is set to the correct measurement mode.
- Check the connections to make sure they are secure.
- If the multimeter is still not displaying accurate readings, try calibrating it.
Issue: The multimeter is giving an error message. Solution:
- Check the error message to see what it means.
- If you cannot understand the error message, consult the multimeter's manual.
- If the error message persists, contact Extech customer support.
Here are some additional tips for using the Extech 421509 multimeter:
- Always wear safety glasses when using the multimeter.
- Make sure the multimeter is turned off before you connect or disconnect any cables.
- Do not exceed the maximum voltage rating for the multimeter.
- Store the multimeter in a safe place when you are not using it.
I hope this helps!
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