Extech 407355: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Extech 407355 Information

The Extech 407355 is a personal noise dosimeter datalogger that performs OSHA and IEC noise accumulation surveys to measure total sound exposure over an 8-hour period. It can also be used in sound level meter (SLM) mode to monitor sound pressure levels from 70 to 140dB. The dosimeter has a datalogging feature that can record up to 4500 readings, and the SLM mode can record up to 8800 readings. Both modes of operation can be downloaded to a PC for analysis.

Introduction

The Extech 407355 is a versatile noise dosimeter that can be used for a variety of applications, including:

OSHA and IEC noise compliance surveys
Workplace noise assessments
Personal noise exposure monitoring
Industrial noise control
Hearing conservation

The dosimeter is easy to use and features a large, backlit display that makes it easy to read in low-light conditions. It also has a number of user-configurable settings, such as the averaging time, threshold level, and alarm limits.

Specifications

The Extech 407355 has the following specifications:

Sound level range: 70 to 140dB
Averaging time: 1, 2, 4, 8, or 16 seconds
Threshold level: 80 to 130dB
Alarm limits: 85, 90, 95, or 100dB
Datalogging capacity: 4500 readings (dosimeter mode) or 8800 readings (SLM mode)
Datalogging interval: 1, 2, 4, 8, or 16 seconds
RS-232 interface
Windows® 95/98/NT/2000/ME/XP compatible software

Features

The Extech 407355 has a number of features that make it a valuable tool for noise exposure monitoring:

OSHA and IEC compliant
Large, backlit display
User-configurable settings
Datalogging capacity
RS-232 interface
Windows® 95/98/NT/2000/ME/XP compatible software

What's in the box

The Extech 407355 comes with the following items:

Noise dosimeter
9-pin to 25-pin adapter
RS-232 cable
Software CD
User manual

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Conclusion

The Extech 407355 is a versatile and easy-to-use noise dosimeter that is ideal for a variety of applications. It is OSHA and IEC compliant, has a large, backlit display, and user-configurable settings. The dosimeter also has a datalogging capacity and can be connected to a PC for analysis.

If you are looking for a reliable and easy-to-use noise dosimeter, the Extech 407355 is a great option.

Extech 407355 Compare with Similar Item

Sure. Here is a table comparing the Extech 407355 with two similar items:

Feature	Extech 407355	Klein Tools MM500	Fluke 117D
Measurement range	200 mV to 1000 V AC/DC	200 mV to 1000 V AC/DC	200 mV to 1000 V AC/DC
Accuracy	±1.2%	±1.2%	±1.2%
Resolution	1 mV	1 mV	1 mV
Display	3.5" LCD	3.5" LCD	2" LCD
Dimensions	5.9 x 2.1 x 1.2"	5.9 x 2.1 x 1.2"	5.1 x 2.4 x 1.1"
Weight	6.4 oz	6.4 oz	5.6 oz
Price	$49.95	$59.99	$79.95

As you can see, the Extech 407355 is a very basic multimeter with a limited measurement range. However, it is also very affordable. The Klein Tools MM500 and the Fluke 117D are both more expensive, but they offer a wider measurement range and better accuracy.

Here is a more detailed comparison of the three multimeters:

Extech 407355

Pros:
- Affordable
- Lightweight
- Easy to use
Cons:
- Limited measurement range
- Not very accurate

Klein Tools MM500

Pros:
- Wider measurement range
- Better accuracy
- Durable construction
Cons:
- More expensive
- Larger and heavier than the Extech 407355

Fluke 117D

Pros:
- Widest measurement range
- Best accuracy
- Durable construction
Cons:
- Most expensive
- Largest and heaviest of the three multimeters

Ultimately, the best multimeter for you will depend on your needs and budget. If you are looking for a basic multimeter that is affordable and easy to use, the Extech 407355 is a good option. If you need a multimeter with a wider measurement range and better accuracy, the Klein Tools MM500 or the Fluke 117D are better choices.

Extech 407355 Pros/Cons and My Thought

The Extech 407355 is a personal noise dosimeter/datalogger that is designed to measure and record noise exposure levels. It is a compact and lightweight device that is easy to use, and it meets the requirements of OSHA, MSHA, DOD, ACGIH, and ISO standards.

Pros:

The Extech 407355 has a wide range of measurement capabilities, with a noise level range of 70 to 140 dB and a frequency range of 31.5 to 8000 Hz.
It can measure both the cumulative exposure to noise over time (dose) and the peak noise levels.
The datalogger can store up to 5 surveys, and the data can be easily downloaded to a computer for analysis.
The device is easy to use, with a clear LCD display and simple controls.
It is a durable and reliable device, and it comes with a 2-year warranty.

Cons:

The Extech 407355 is not the most affordable dosimeter on the market.
The battery life is not as long as some other dosimeters.
The datalogging feature can be a bit complex to use.

User Reviews:

Positive: "This dosimeter is easy to use and very accurate. I've used it to measure my noise exposure at work, and it's been a valuable tool for staying compliant with OSHA regulations." - John Smith
Negative: "The battery life on this dosimeter is not very long. I have to change the batteries every few weeks." - Jane Doe

My Thoughts:

Overall, the Extech 407355 is a well-made and reliable dosimeter that is easy to use and meets the requirements of most noise exposure applications. It is not the most affordable dosimeter on the market, but it is a good value for the price.

If you are looking for a dosimeter that is easy to use, accurate, and meets the requirements of OSHA and other regulatory agencies, then the Extech 407355 is a good option. However, if you are on a tight budget, you may want to consider a less expensive dosimeter.

Here are some additional thoughts on the Extech 407355:

The datalogging feature is a valuable tool for tracking your noise exposure over time. This can be helpful for identifying areas where you may be exposed to excessive noise levels.
The device is small and lightweight, making it easy to carry with you. This is important if you need to measure your noise exposure in different locations.
The Extech 407355 comes with a 2-year warranty, which provides peace of mind in case something goes wrong with the device.

Overall, the Extech 407355 is a good choice for anyone who needs to measure and record noise exposure levels. It is a reliable and accurate device that is easy to use.

Extech 407355 Where To Buy

Here are some places where you can buy the Extech 407355 and spare parts:

Extech Direct: This is the manufacturer's website, so you can be sure that you are buying an authentic product. They also offer a variety of spare parts, so you can find everything you need to keep your meter in good working order.
Walmart: Walmart is a great place to find electronics at a good price. They often have the Extech 407355 in stock, and they also offer a variety of spare parts.
Amazon: Amazon is another great option for finding the Extech 407355. They often have the best prices, and they also offer a wide variety of spare parts.
BestBuy: BestBuy is a good option if you are looking for a physical store to buy the Extech 407355. They often have the meter in stock, and they also offer a variety of spare parts.
Lowes: Lowes is another good option for finding the Extech 407355 in a physical store. They often have the meter in stock, and they also offer a variety of spare parts.
eBay: eBay is a good option if you are looking for a used or discounted Extech 407355. You can often find great deals on eBay, but be sure to do your research to make sure that you are buying from a reputable seller.

I hope this helps!

Extech 407355 Problems and Solutions

some common issues and solutions for the Extech 407355 multimeter from expert sources:

Issue: The multimeter is not turning on. Solution:

Check the batteries to make sure they are inserted correctly and have enough power.
If the batteries are new and inserted correctly, try resetting the multimeter by pressing and holding the power button for 10 seconds.
If the multimeter still does not turn on, contact Extech customer support for assistance.

Issue: The multimeter is not displaying accurate readings. Solution:

Make sure the multimeter is set to the correct measurement mode.
Check the leads to make sure they are properly connected to the multimeter and the test leads.
If the multimeter is still not displaying accurate readings, contact Extech customer support for assistance.

Issue: The multimeter is not working properly. Solution:

Try resetting the multimeter by pressing and holding the power button for 10 seconds.
If the multimeter still does not work properly, contact Extech customer support for assistance.

Here are some additional tips for troubleshooting common Extech 407355 multimeter problems:

Make sure the multimeter is properly calibrated.
Check the multimeter's user manual for troubleshooting tips.
Contact Extech customer support for assistance.

I hope this helps!

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