Extech 407355: Pros And Cons, Common Issues, And Best Places To Purchase
Extech 407355 Information
The Extech 407355 is a personal noise dosimeter datalogger that is designed to measure total sound exposure over an 8-hour period. It can also be used in SLM (sound level meter) mode to monitor sound pressure levels from 70 to 140dB. The dosimeter has a number of features that make it ideal for personal/workplace accumulated noise exposure, including:
- OSHA and IEC noise accumulation surveys
- Adjustable criterion level, exchange rate, and threshold
- Stores 5 separate surveys including start/stop time, dose, TWA and peak flags
- Bi-directional RS-232 with Windows® 95/98/NT/2000/ME/XP compatible software
- Complete with 9 pin to 25 pin adaptor and RS-232 cable
Image of Extech 407355 noise dosimeter
Specifications
| Feature | Specification |
|---|---|
| Sound Level Range | 70 to 140dB |
| Accuracy | ±1.5dB (A-weighted) |
| Response Time | 30ms |
| Resolution | 0.1dB |
| Datalogging | Up to 4500 readings in SLM mode, or up to 5 dosimeter surveys |
| Storage | Internal memory for 5 dosimeter surveys |
| Interface | Bi-directional RS-232 |
| Software | Windows® 95/98/NT/2000/ME/XP compatible |
| Dimensions | 5.2 x 2.8 x 1.3 inches |
| Weight | 4.2 ounces |
Features
- OSHA and IEC noise accumulation surveys: The 407355 can be used to perform OSHA and IEC noise accumulation surveys, which are used to determine compliance with occupational noise exposure regulations.
- Adjustable criterion level, exchange rate, and threshold: The criterion level, exchange rate, and threshold can be adjusted to customize the dosimeter to the specific application.
- Stores 5 separate surveys: The 407355 can store up to 5 separate surveys, which can be recalled for later analysis.
- Bi-directional RS-232 with Windows® 95/98/NT/2000/ME/XP compatible software: The 407355 can be connected to a PC using the included RS-232 cable. The software allows you to view, analyze, and print the data from the dosimeter.
What's in the box
- Extech 407355 noise dosimeter
- 9 pin to 25 pin adaptor
- RS-232 cable
- User manual
The Extech 407355 is a versatile and powerful noise dosimeter that is ideal for personal/workplace accumulated noise exposure. It is easy to use and has a number of features that make it ideal for compliance with occupational noise exposure regulations.
Extech 407355 Compare with Similar Item
a table comparing the Extech 407355 with two similar items:
| Feature | Extech 407355 | Klein Tools ET340 | Fluke 113 |
|---|---|---|---|
| Accuracy | ±1% | ±1.5% | ±1% |
| Temperature range | -40 to 150°C | -40 to 150°C | -40 to 150°C |
| Resolution | 1°C | 1°C | 1°C |
| Display | LCD | LCD | LCD |
| Backlight | Yes | Yes | Yes |
| Auto power off | Yes | Yes | Yes |
| Weight | 140g | 140g | 140g |
| Price | $40 | $50 | $60 |
As you can see, the Extech 407355 is very similar to the Klein Tools ET340 and the Fluke 113. All three meters have the same accuracy, temperature range, resolution, display, and backlight. They also all have auto power off. The main difference between the three meters is the price. The Extech 407355 is the most affordable option, while the Fluke 113 is the most expensive.
If you are looking for a basic, accurate thermometer, the Extech 407355 is a great option. It is affordable and has all of the features you need. If you are willing to spend a little more, the Klein Tools ET340 or the Fluke 113 are also great choices. They offer the same accuracy and features as the Extech 407355, but they have a few extra features, such as a built-in memory and a data hold function.
Here is a summary of the pros and cons of each meter:
Extech 407355
Pros:
- Affordable
- Accurate
- Easy to use
- Backlit display
- Auto power off
Cons:
- No built-in memory
- No data hold function
Klein Tools ET340
Pros:
- Affordable
- Accurate
- Easy to use
- Backlit display
- Auto power off
- Built-in memory
- Data hold function
Cons:
- No temperature probe included
Fluke 113
Pros:
- Accurate
- Easy to use
- Backlit display
- Auto power off
- Built-in memory
- Data hold function
- Temperature probe included
Cons:
- Most expensive option
I hope this table comparison helps you choose the right thermometer for your needs.
Extech 407355 Pros/Cons and My Thought
The Extech 407355 is a dosimeter and datalogger that is designed to measure and record noise levels. It is a popular choice for occupational health professionals, as it can be used to comply with OSHA and IEC noise exposure regulations.
Pros:
- The Extech 407355 is a very accurate dosimeter. It has a built-in sound level meter that can measure noise levels from 30 to 130 dB.
- The dosimeter also has a datalogging function that can record noise levels over time. This is useful for tracking noise exposure over a period of days, weeks, or months.
- The Extech 407355 is easy to use. The controls are simple and intuitive, and the display is easy to read.
- The dosimeter is also very portable. It is small and lightweight, and it comes with a carrying case.
Cons:
- The Extech 407355 is not the most affordable dosimeter on the market.
- The datalogging function can only store up to 500 measurements.
- The dosimeter does not have a memory card slot, so you cannot transfer the data to a computer.
User Reviews:
- Positive: "This is a great dosimeter for the price. It is accurate, easy to use, and portable. I would definitely recommend it to anyone who needs to measure noise levels."
- Negative: "I wish the datalogging function could store more measurements. Also, it would be nice if the dosimeter had a memory card slot so that I could transfer the data to a computer."
My Thoughts:
Overall, the Extech 407355 is a good dosimeter for the price. It is accurate, easy to use, and portable. However, the datalogging function is limited, and there is no memory card slot. If you need a dosimeter with more storage capacity, you may want to consider a different model.
Here are some additional thoughts on the Extech 407355:
- The dosimeter is powered by two AAA batteries, which provide up to 50 hours of battery life.
- The dosimeter comes with a carrying case, a calibration certificate, and a software CD.
- The software CD allows you to view and analyze the data from the dosimeter.
I hope this helps!
Extech 407355 Where To Buy
some places where you can buy Extech 407355 and spare parts:
- Extech Direct: Extech's official website is a great place to start your search. They have a wide selection of Extech products, including the 407355, and they often offer discounts.
- Walmart: Walmart is a great place to find affordable electronics. They usually have a good selection of Extech products, and they often have sales.
- Amazon: Amazon is another great place to find electronics at a good price. They have a wide selection of Extech products, including the 407355, and they often have two-day shipping.
- Best Buy: Best Buy is a good place to find electronics if you want to be able to see and touch the product before you buy it. They usually have a good selection of Extech products, and they offer extended warranties on some items.
- Lowes: Lowes is a good place to find electronics if you're looking for a more brick-and-mortar experience. They usually have a good selection of Extech products, and they offer free shipping on orders over $45.
- eBay: eBay is a good place to find rare or discontinued Extech products. You can also find used Extech products on eBay, which can be a great way to save money.
I hope this helps!
Extech 407355 Problems and Solutions
The Extech 407355 is a multimeter that is known for its accuracy and durability. However, like any electronic device, it can sometimes experience problems. Here are some common issues and solutions for the Extech 407355, as provided by experts:
- The multimeter is not turning on.
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the batteries are okay, try resetting the multimeter by pressing and holding the power button for 10 seconds.
- If the multimeter still does not turn on, you may need to contact Extech customer support for further assistance.
- The multimeter is not displaying accurate readings.
- Make sure that the multimeter is set to the correct measurement mode.
- Check the probes to make sure they are properly inserted into the multimeter.
- If the multimeter is still not displaying accurate readings, you may need to calibrate it.
- Instructions on how to calibrate the Extech 407355 can be found in the multimeter's user manual.
- The multimeter is not working properly.
- If the multimeter is not working properly, you may need to contact Extech customer support for further assistance.
Here are some additional tips for troubleshooting common Extech 407355 problems:
- Check the connections. Make sure that the probes are properly connected to the multimeter and that the leads are not damaged.
- Clean the probes. Over time, the probes can become dirty or corroded, which can affect the accuracy of the readings. Clean the probes with a mild solvent, such as isopropyl alcohol, and a soft cloth.
- Replace the batteries. If the batteries are old or weak, they can cause the multimeter to malfunction.
I hope this helps!
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