Radio shack sound level meter 33 4050 manual Magnetawan

Radio shack sound level meter 33 4050 manual

Radio Shack 33 4050 Repair Repair for Radio Shack 33 This website is not affiliated with or sponsored by RadioShack. To purchase 33-2050 spares or accessories, please contact the company via their website or visit an authorised retailer.

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Topic Radio shack sound level meter 33-4050 manual high. Radio Base Station Antenna 210 0969 Radio Shack 1999. Vintage Electronics: President HR 2510 10 Meter Ham Radio, With Microphone ( Not Tested), Barska 10x25 Binoculars in Case, Radio Shack Sound Level Meter CAT 33-2055, Working. Gun - Savage Model 112 22-220 Rem Caliber Rifle, Black Synthetic Stock, Satin Finish Powers Up. Has USB Cord And Manual., RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days ….

RadioShack SOUND LEVEL METER #33-2050 Analog Display - Case and manual -TESTED!Comes with case and manual.Excellent used condition with very little wear, had been stored in the case it's entire life. Tested and is working. Battery compartment is super clean. See pictures for condition. 24/06/2012В В· I searched and read a lot about recommended SPL meters here, but didn't find a lot on what specific features or specs to look for. I see some recommendations for the Radio Shack SPL meter, but then read that it doesn't handle lower frequencies well. What do I need to know to be able to...

RadioShack SOUND LEVEL METER #33-2050 Analog Display - Case and manual -TESTED!Comes with case and manual.Excellent used condition with very little wear, had been stored in the case it's entire life. Tested and is working. Battery compartment is super clean. See pictures for condition. 28/08/2018В В· radio shack sound level meter 33-4050 manual high school. Quote. Postby Just В» Tue Aug 28, 2018 12:20 am. Looking for radio shack sound level meter 22 Aug 2018 T he Radio Shack Sound Level Meter is a is provided on these sound radio shack sound level meter weightingradio shack sound level meter 33-4050 manual .. Download Nad 1600 preamp tuner

RADIO SHACK - 33-4050 SOUND LEVEL METER view details RADIO SHACK - 33-4050 RADIO SHACK SOUND LEVEL METER view details RADIO SHACK - 3:RS SOUND LEVEL METER view details RADIO SHACK - 500 MA MILLIAMP METER view details RADIO SHACK - 50M WATER RESISTANT DIGITAL STOPWATCH view details RADIO SHACK - 587 MULTIMETER, 3 1/2 DIGIT view details RADIO 07/08/2001В В· Radio Shack is your friend. Here is how I did my calibration: The $34.99 Radio Shack 33-2050 analog sound level meter has been around for over 25 years. Its predecessor, the 33-1028, was reviewed favorably in Stereo Review, (Julian Hirsch, "Equipment Test Reports", Stereo Review, August 1972). It has a much different curve than the ones I tested.

RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days … Not finding what you're looking for? Save radio shack sound level meter 33 2055 to get e-mail alerts and updates on your eBay Feed.

Hi, The only sound level meter that I see on the Radio Shack site is #33-099. Will this work with REW or would I be better off finding one of the meters shown in the help file (33-2050, 33-4050, 33 … 28/08/2018 · radio shack sound level meter 33-4050 manual high school. Quote. Postby Just » Tue Aug 28, 2018 12:20 am. Looking for radio shack sound level meter 22 Aug 2018 T he Radio Shack Sound Level Meter is a is provided on these sound radio shack sound level meter weightingradio shack sound level meter 33-4050 manual .. Download Nad 1600 preamp tuner

28/08/2018В В· radio shack sound level meter 33-4050 manual high school. Quote. Postby Just В» Tue Aug 28, 2018 12:20 am. Looking for radio shack sound level meter 22 Aug 2018 T he Radio Shack Sound Level Meter is a is provided on these sound radio shack sound level meter weightingradio shack sound level meter 33-4050 manual .. Download Nad 1600 preamp tuner Radio Base Station Antenna 210 0969 Radio Shack 1999. Vintage Electronics: President HR 2510 10 Meter Ham Radio, With Microphone ( Not Tested), Barska 10x25 Binoculars in Case, Radio Shack Sound Level Meter CAT 33-2055, Working. Gun - Savage Model 112 22-220 Rem Caliber Rifle, Black Synthetic Stock, Satin Finish Powers Up. Has USB Cord And Manual.

The RadioShack Digital Sound Level Meter 33-099 is just right for my needs, which include investigating room noise, avoiding sound levels that could pose a threat to my hearing, and evaluating home theater performance. I have no independent way to evaluate the meter's accuracy, but if Radio Shack meets the claimed 2% spec (which is usually the case), the information it provides is sufficient. RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208

Radio Shack 33-2050 Sound Level Meter, Manual, Case, Box (50-126 dB) - $32 (mishawaka4sale) Call ---- Click the "more ads by this user" link and on the page that follows select "all for sale / wanted" from the drop-down menu to my see my ads in all categories.- One owner, very rarely used mint condition meter & vinyl carry case. - Very good Hi, The only sound level meter that I see on the Radio Shack site is #33-099. Will this work with REW or would I be better off finding one of the meters shown in the help file (33-2050, 33-4050, 33 …

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Radio shack sound level meter 33 4050 manual

RADIO SHACK Equipment Calibration Micro Precision. RadioShack SOUND LEVEL METER #33-2050 Analog Display - Case and manual -TESTED!Comes with case and manual.Excellent used condition with very little wear, had been stored in the case it's entire life. Tested and is working. Battery compartment is super clean. See pictures for condition., This website is not affiliated with or sponsored by RadioShack. To purchase 33-2050 spares or accessories, please contact the company via their website or visit an authorised retailer..

What to look for in an SPL meter? Audioholics Home. 03/02/2008 · Radio Shack 33-4050. Jump to Latest Follow 1 - 12 of 12 Posts I don't have an equalizer yet. How does it really sound when the sub has been calibrated properly and equalizer adjusted? Is our objective to make the sub as flat as possible just like the reference line on the graph? Show Full Signature. My HT setup. Save Share. Reply. B. brucek · Registered. Joined Apr 11, 2006 · 7,514 Posts, Find many great new & used options and get the best deals for RadioShack Analog Sound Level Meter With Pouch Radio Shack Model 33-4050 at the best online prices at ….

Radioshack 33-4050 Radio Sound Level Decibel Meter Gently

Radio shack sound level meter 33 4050 manual

Radioshack 33-4050 Radio Sound Level Decibel Meter Gently. Radio Base Station Antenna 210 0969 Radio Shack 1999. Vintage Electronics: President HR 2510 10 Meter Ham Radio, With Microphone ( Not Tested), Barska 10x25 Binoculars in Case, Radio Shack Sound Level Meter CAT 33-2055, Working. Gun - Savage Model 112 22-220 Rem Caliber Rifle, Black Synthetic Stock, Satin Finish Powers Up. Has USB Cord And Manual. RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days ….

Radio shack sound level meter 33 4050 manual

  • Topic Radio shack sound level meter 33-4050 manual high
  • RadioShack Sound Level Meter #33-2050 Analog Display
  • Radio Shack 33-2050 Sound Level Meter Manual Case Box
  • Radioshack 33-4050 Radio Sound Level Decibel Meter Gently

  • What's the most popular audio evaluation tool in the world? It's RadioShack's model 33-4050 sound level meter. What's the most controversial audio evaluation tool in the world? That same little $45 meter. It's controversial because it's a compromise: It's got idiosyncrasies, but there's never been an affordable alternative. Until now. Radio Base Station Antenna 210 0969 Radio Shack 1999. Vintage Electronics: President HR 2510 10 Meter Ham Radio, With Microphone ( Not Tested), Barska 10x25 Binoculars in Case, Radio Shack Sound Level Meter CAT 33-2055, Working. Gun - Savage Model 112 22-220 Rem Caliber Rifle, Black Synthetic Stock, Satin Finish Powers Up. Has USB Cord And Manual.

    Find many great new & used options and get the best deals for Digital Sound Level Meter Realistic Radio Shack 33-2055 with Box and Manual at the best online prices at eBay! Free shipping for many products! Radio Shack Spl Meter Instructions Read/Download Simply contact us direct and we will give you instructions to return it. Radio Shack Sound Level Meter Fine Tune Audio Response Model 33-2055. 26, White Noise LR 180 degrees out of phase-20dB 4 min. is the easiest: you follow the instructions and setup menu either "automatically"

    RadioShack SOUND LEVEL METER #33-2050 Analog Display - Case and manual -TESTED!Comes with case and manual.Excellent used condition with very little wear, had been stored in the case it's entire life. Tested and is working. Battery compartment is super clean. See pictures for condition. Not finding what you're looking for? Save radio shack sound level meter 33 2055 to get e-mail alerts and updates on your eBay Feed.

    03/02/2008 · Radio Shack 33-4050. Jump to Latest Follow 1 - 12 of 12 Posts I don't have an equalizer yet. How does it really sound when the sub has been calibrated properly and equalizer adjusted? Is our objective to make the sub as flat as possible just like the reference line on the graph? Show Full Signature. My HT setup. Save Share. Reply. B. brucek · Registered. Joined Apr 11, 2006 · 7,514 Posts View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on …

    View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on … 03/02/2008 · Radio Shack 33-4050. Jump to Latest Follow 1 - 12 of 12 Posts I don't have an equalizer yet. How does it really sound when the sub has been calibrated properly and equalizer adjusted? Is our objective to make the sub as flat as possible just like the reference line on the graph? Show Full Signature. My HT setup. Save Share. Reply. B. brucek · Registered. Joined Apr 11, 2006 · 7,514 Posts

    DAILYALEXA.INFO Ebook and Manual Reference Radio Shack Sound Level Meter Manual 33 2050 Printable 2019 The most popular ebook you must read is Radio Shack Sound Level Meter Manual 33 2050 Printable 2019. RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208

    RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days … Find many great new & used options and get the best deals for Digital Sound Level Meter Realistic Radio Shack 33-2055 with Box and Manual at the best online prices at eBay! Free shipping for many products!

    RADIO SHACK - 33-4050 SOUND LEVEL METER view details RADIO SHACK - 33-4050 RADIO SHACK SOUND LEVEL METER view details RADIO SHACK - 3:RS SOUND LEVEL METER view details RADIO SHACK - 500 MA MILLIAMP METER view details RADIO SHACK - 50M WATER RESISTANT DIGITAL STOPWATCH view details RADIO SHACK - 587 MULTIMETER, 3 1/2 DIGIT view details RADIO Repair your RADIO SHACK 33-4050. Trescal provides repair services for RADIO SHACK 33-4050 SOUND LEVEL METERs, as well as maintenance and repair services. Your RADIO SHACK 33-4050 deserves close attention, so choose the experts technicians at Trescal for One-Stop Repair services. We will make sure you get the best possible performance from your

    Find many great new & used options and get the best deals for RadioShack Analog Sound Level Meter With Pouch Radio Shack Model 33-4050 at the best online prices at … What's the most popular audio evaluation tool in the world? It's RadioShack's model 33-4050 sound level meter. What's the most controversial audio evaluation tool in the world? That same little $45 meter. It's controversial because it's a compromise: It's got idiosyncrasies, but there's never been an affordable alternative. Until now.

    Radio Shack Sound Level Meter Owner's Manual

    Radio shack sound level meter 33 4050 manual

    Sound Pressure Level Meter by RadioShack tnt-audio.com. 07/08/2001В В· Radio Shack is your friend. Here is how I did my calibration: The $34.99 Radio Shack 33-2050 analog sound level meter has been around for over 25 years. Its predecessor, the 33-1028, was reviewed favorably in Stereo Review, (Julian Hirsch, "Equipment Test Reports", Stereo Review, August 1972). It has a much different curve than the ones I tested., What's the most popular audio evaluation tool in the world? It's RadioShack's model 33-4050 sound level meter. What's the most controversial audio evaluation tool in the world? That same little $45 meter. It's controversial because it's a compromise: It's got idiosyncrasies, but there's never been an affordable alternative. Until now..

    What to look for in an SPL meter? Audioholics Home

    Radio Shack 33-2050 Sound Level Meter Manual Case Box. Radio Shack Spl Meter Instructions Read/Download Simply contact us direct and we will give you instructions to return it. Radio Shack Sound Level Meter Fine Tune Audio Response Model 33-2055. 26, White Noise LR 180 degrees out of phase-20dB 4 min. is the easiest: you follow the instructions and setup menu either "automatically", RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208.

    09/03/2015В В· Radio Shack 33-099 Digital Sound Level Meter - - Amazon.com. Skip to main content. Try Prime Hello, Sign in Account & Lists Sign in Account & Lists Orders Try Prime Cart. Tools & Home Improvement Go Search Hello Select your 03/02/2008В В· Radio Shack 33-4050. Jump to Latest Follow 1 - 12 of 12 Posts I don't have an equalizer yet. How does it really sound when the sub has been calibrated properly and equalizer adjusted? Is our objective to make the sub as flat as possible just like the reference line on the graph? Show Full Signature. My HT setup. Save Share. Reply. B. brucek В· Registered. Joined Apr 11, 2006 В· 7,514 Posts

    This website is not affiliated with or sponsored by RadioShack. To purchase 33-2050 spares or accessories, please contact the company via their website or visit an authorised retailer. View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on …

    ( Brand: RadioShack ), ( Type: Sound Level Meter ), ( model : 33-4050 ) Review (mpn: 33-4050 for sale) 33-4050 Radio Gently model Excellent Shack Radioshack Level Used Meter Decibel Sound. It works flawlessly and requires one 9 volt battery, which is not included. It comes with the soft velcro closure carrying pouch that came with the meter. I Repair your RADIO SHACK 33-4050. Trescal provides repair services for RADIO SHACK 33-4050 SOUND LEVEL METERs, as well as maintenance and repair services. Your RADIO SHACK 33-4050 deserves close attention, so choose the experts technicians at Trescal for One-Stop Repair services. We will make sure you get the best possible performance from your

    View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on … RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208

    View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on … RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208

    28/08/2018 · radio shack sound level meter 33-4050 manual high school. Quote. Postby Just » Tue Aug 28, 2018 12:20 am. Looking for radio shack sound level meter 22 Aug 2018 T he Radio Shack Sound Level Meter is a is provided on these sound radio shack sound level meter weightingradio shack sound level meter 33-4050 manual .. Download Nad 1600 preamp tuner Hi, The only sound level meter that I see on the Radio Shack site is #33-099. Will this work with REW or would I be better off finding one of the meters shown in the help file (33-2050, 33-4050, 33 …

    Repair your RADIO SHACK 33-4050. Trescal provides repair services for RADIO SHACK 33-4050 SOUND LEVEL METERs, as well as maintenance and repair services. Your RADIO SHACK 33-4050 deserves close attention, so choose the experts technicians at Trescal for One-Stop Repair services. We will make sure you get the best possible performance from your Find many great new & used options and get the best deals for Digital Sound Level Meter Realistic Radio Shack 33-2055 with Box and Manual at the best online prices at eBay! Free shipping for many products!

    RADIO SHACK DIGITAL Sound Level Meter Tester 30-2055 with Case & Manual - $25.44. Radio Shack Digital Sound Level Meter Tester 30-2055 with Case & Manual . Condition is Used. Used only a couple of time. 223357694208 Find many great new & used options and get the best deals for Digital Sound Level Meter Realistic Radio Shack 33-2055 with Box and Manual at the best online prices at eBay! Free shipping for many products!

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    Radio shack sound level meter 33 4050 manual

    The Check Mate SPL Meter For Good Measure Sound & Vision. 24/06/2012В В· I searched and read a lot about recommended SPL meters here, but didn't find a lot on what specific features or specs to look for. I see some recommendations for the Radio Shack SPL meter, but then read that it doesn't handle lower frequencies well. What do I need to know to be able to..., Not finding what you're looking for? Save radio shack sound level meter 33 2055 to get e-mail alerts and updates on your eBay Feed..

    RADIO SHACK REALISTIC Sound Level Meter 33-2050 with Case

    Radio shack sound level meter 33 4050 manual

    Radio Shack 33 4050 Repair Repair for Radio Shack 33. Hi, The only sound level meter that I see on the Radio Shack site is #33-099. Will this work with REW or would I be better off finding one of the meters shown in the help file (33-2050, 33-4050, 33 … Find many great new & used options and get the best deals for RadioShack Analog Sound Level Meter With Pouch Radio Shack Model 33-4050 at the best online prices at ….

    Radio shack sound level meter 33 4050 manual

  • Topic Radio shack sound level meter 33-4050 manual high
  • radio shack sound level meter 33 2055 eBay

  • 28/08/2018В В· radio shack sound level meter 33-4050 manual high school. Quote. Postby Just В» Tue Aug 28, 2018 12:20 am. Looking for radio shack sound level meter 22 Aug 2018 T he Radio Shack Sound Level Meter is a is provided on these sound radio shack sound level meter weightingradio shack sound level meter 33-4050 manual .. Download Nad 1600 preamp tuner Radio Shack 33-2050 Sound Level Meter, Manual, Case, Box (50-126 dB) - $32 (mishawaka4sale) Call ---- Click the "more ads by this user" link and on the page that follows select "all for sale / wanted" from the drop-down menu to my see my ads in all categories.- One owner, very rarely used mint condition meter & vinyl carry case. - Very good

    RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days … Repair your RADIO SHACK 33-4050. Trescal provides repair services for RADIO SHACK 33-4050 SOUND LEVEL METERs, as well as maintenance and repair services. Your RADIO SHACK 33-4050 deserves close attention, so choose the experts technicians at Trescal for One-Stop Repair services. We will make sure you get the best possible performance from your

    RADIO SHACK - 33-4050 SOUND LEVEL METER view details RADIO SHACK - 33-4050 RADIO SHACK SOUND LEVEL METER view details RADIO SHACK - 3:RS SOUND LEVEL METER view details RADIO SHACK - 500 MA MILLIAMP METER view details RADIO SHACK - 50M WATER RESISTANT DIGITAL STOPWATCH view details RADIO SHACK - 587 MULTIMETER, 3 1/2 DIGIT view details RADIO RADIO SHACK - 33-4050 SOUND LEVEL METER view details RADIO SHACK - 33-4050 RADIO SHACK SOUND LEVEL METER view details RADIO SHACK - 3:RS SOUND LEVEL METER view details RADIO SHACK - 500 MA MILLIAMP METER view details RADIO SHACK - 50M WATER RESISTANT DIGITAL STOPWATCH view details RADIO SHACK - 587 MULTIMETER, 3 1/2 DIGIT view details RADIO

    RADIO SHACK DIGITAL Sound Level Meter 33-2055 With Case Excellent - $39.24. Radio Shack Digital Sound Level Meter 33-2055 with case Excellent! Decibel Measurement Tool comes with case Fully functional and in excellent condition 60db to 120db Range Output Connection Calibration, Weighting, Response and Visual Display *Battery not included* Terms and Conditions: This item carry 30 days … Not finding what you're looking for? Save radio shack sound level meter 33 2055 to get e-mail alerts and updates on your eBay Feed.

    Radio Shack Spl Meter Instructions Read/Download Simply contact us direct and we will give you instructions to return it. Radio Shack Sound Level Meter Fine Tune Audio Response Model 33-2055. 26, White Noise LR 180 degrees out of phase-20dB 4 min. is the easiest: you follow the instructions and setup menu either "automatically" Repair your RADIO SHACK 33-4050. Trescal provides repair services for RADIO SHACK 33-4050 SOUND LEVEL METERs, as well as maintenance and repair services. Your RADIO SHACK 33-4050 deserves close attention, so choose the experts technicians at Trescal for One-Stop Repair services. We will make sure you get the best possible performance from your

    Hi, The only sound level meter that I see on the Radio Shack site is #33-099. Will this work with REW or would I be better off finding one of the meters shown in the help file (33-2050, 33-4050, 33 … View online Owner's manual for Radio Shack Sound Level Meter Measuring Instruments or simply click Download button to examine the Radio Shack Sound Level Meter guidelines offline on …

    This website is not affiliated with or sponsored by RadioShack. To purchase 33-2050 spares or accessories, please contact the company via their website or visit an authorised retailer. Radio Shack 33-2050 Sound Level Meter, Manual, Case, Box (50-126 dB) - $32 (mishawaka4sale) Call ---- Click the "more ads by this user" link and on the page that follows select "all for sale / wanted" from the drop-down menu to my see my ads in all categories.- One owner, very rarely used mint condition meter & vinyl carry case. - Very good

    07/08/2001В В· Radio Shack is your friend. Here is how I did my calibration: The $34.99 Radio Shack 33-2050 analog sound level meter has been around for over 25 years. Its predecessor, the 33-1028, was reviewed favorably in Stereo Review, (Julian Hirsch, "Equipment Test Reports", Stereo Review, August 1972). It has a much different curve than the ones I tested. This website is not affiliated with or sponsored by RadioShack. To purchase 33-2050 spares or accessories, please contact the company via their website or visit an authorised retailer.

    Radio Shack Spl Meter Instructions Read/Download Simply contact us direct and we will give you instructions to return it. Radio Shack Sound Level Meter Fine Tune Audio Response Model 33-2055. 26, White Noise LR 180 degrees out of phase-20dB 4 min. is the easiest: you follow the instructions and setup menu either "automatically" The RadioShack Digital Sound Level Meter 33-099 is just right for my needs, which include investigating room noise, avoiding sound levels that could pose a threat to my hearing, and evaluating home theater performance. I have no independent way to evaluate the meter's accuracy, but if Radio Shack meets the claimed 2% spec (which is usually the case), the information it provides is sufficient.