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Free Shipping Condition: New Location: China 25dB~130dB (A). 70dB~130dB (dynamic scale display 50dB~140dB). With built-in 1/1 octave and 1/3 octave filters. Use USB data output to connect with PC. ... moreLarge screen display is adopted, with clear and intuitive display.
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Free Shipping Condition: New Location: United States ✿【A/C Switch】 Frequency weighted selection switch A/C switch. Accuracy: ±1.5dB. Resolution: 0.1dB. --- If the item cannot use or you received your item ... morenot as expected.
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$19.26 Shipping Condition: Neu Location: Dresden, Germany This new ATD5-T USB Microphone is the improved version of the ATD4-S. It has improved frequency range and dynamic. Due to it's internal DC/DC converter ... moreit can handle up to 10V RMS and +/-14V peak. Simply connect this microphone to a free USB port, no preamplifier, no external power no driver.
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Free Shipping Condition: New Location: China Frequency range 1/1 Octave analysis(31.5Hz to 8kHz). 1/3 Octave analysis(25Hz to 10kHz). Ending Soon. Battery life Approx. Best Price and Good Quality. ... moreAccessories Instruction manual,, Carry case, Software.
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$7.30 Shipping Condition: New Location: China Just press one button readings are instantly displayed. Also, it it reads in dBA and provides windscreen to filter-out unwanted signals. Low Battery Indication. ... moreHumidity: 10~70%RH. Max Hold Function.
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$51.93 Shipping Condition: Used Location: Oklahoma City, United States Type 1625 Octave Filter.
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$14.99 Shipping Condition: Used Location: Chino, United States Frequency Range:31.5Hz to 8KHz. Range from 35 to 130 dB. 0.1dB Resolution. Accuracy:± 1.5dB (ref 94dB @1KHz). Dynamic Range:65dB. Auxilitary Output:AC ... moreconditioned, 0.55Vrms corresponding to each range step, impedance: 600 W DC conditioned, 10mV/dB (nominally) impedance: 100 W.
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Free Shipping Condition: Used Location: 罗湖区, China We take our reputation seriously. Tariff policy.
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Free Shipping Condition: New Location: China Feature :audio spectrum analyzer,audio level indicator. Model:DIY Kit.
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$3.00 Shipping Condition: New Location: China USB5V plug and play. - 32pcs lamp beads. Usually it cost about 35USD-50USD. - Net weight: 85g.
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Free Shipping Condition: New Location: Irvine, United States Fast & Slow dynamic characteristic modes. family, and audio system. Display for 0~30dB: one scale unit denotes 2 dB. Forother levels: one scale unit denotes ... more1 dB. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
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Free Shipping Condition: New Location: Irvine, United States Fast & Slow dynamic characteristic modes. 50 dB scale at 1 dB step for monitoring. With two equivalent weighted sound pressure levels, A and C. family, ... moreand audio system. current sound pressure level display.
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Free Shipping Condition: New Location: United States 1 Noise tester. Headset Smart Watch TWS Wireless Bluetooth Dual Headset Call Smartwatch. Non-shutdown function: long press to boot until LCD flashes. ... moreProduct size: about 256 70 35mm. Digital display: 4 digits.
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Free Shipping Condition: New Location: China Resolution: 0.1dB. LCD backlight for clear reading. /Lock current value. Jack 2.0 to 3.5mm Headset Card USB Sound Stereo 3D Headphone Adapter. Weight: ... more82g / 2.92oz. 5Pcs High Sensitive Spare Tip Screen Stylus Nib for Samsung Galaxy Note 10/10+.
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$24.95 Shipping Condition: New Location: Saratoga, United States This device operates on a 9V battery (about 30 hours) or an AC adapter (included). A heavy duty carrying case is also included for the protection of the ... moredevice and your convenience. It needs to attach to a computer to log data.
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Free Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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$9.88 Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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$30.00 Shipping Condition: Used Location: China NO INTERNATIONAL SALES! Sorry. But if you are outside the US do not even bid! UPDATE: I apologize. I negelected to say that this meter is actually a Type ... more2236 A-007. It has SW Version 1.2(That's what appears on the screen when it first turns on. Sorry of any inconvenience or misunderstanding. Please look at the photo of the back side for the serial number. This offering includes the technical manuals and start guides for Types 2236 and 2236 A-007. This meter and accessories were purchased in the early 1990s and used infrequently to make field measurements of highway traffic noise. These meters are great for other situations both interior and exterior. The meter and calibrator both work and require AA batteries(not included) These meters are of a rugged. Robust design and can be used in a variety of situations. Please note that the terminals for one battery are damaged and small bits of foil are inserted to make the connection. This does not seem to affect operation. This listing consists of a Bruel& Kjaer Type 2236 A-007 Integrating Sound Level Meter. Included with this meter are the following: Carrying case Microphone Wind Screen(probably should be replaced) Technical Documentation(User) Manual for Type 2236 Technical Documentation(User) Manual for Type 2236 A-007 Two Quick Guides B&K Environmental Noise Measurement Booklet B&K Measuring Sound Booklet B&K Sound Level Calibrator Type 4231(with case/cover for field use) B&K Sound Level Calibrator Type 4231 Technical Documentation(User) Manual When originally purchased from B&K. The factory sent the wrong User Manual and Quick Guide. They later sent the correct ones. That’s why there are two of each. Sorry. We do not ship outside the US. Please Note: This meter has not been factory calibrated since purchase. If used for consulting for local. State, or federal agencies and in any situation that has the potential for professional liability or litigation, it should be factory calibrated before use.
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$100.00 Shipping Condition: Seller refurbished Location: Japan Rion Sound Level Meter Microphones UC-30 Qty2.UC-53A,UC-52 I do not know this item Condition For Parts and Sold-as See Pictures and More Details Update ... morePhoto New 2013.05.06 Old Photo Posted with
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$9.90 Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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Free Shipping Condition: New Location: China Model: AS824. cs-head{overflow: ;position:relative}. title{margin:0;font-weight:400;font-size:14px;padding:5px 10px}. dc-dock:hover{width:117px;background-position:bottom ... moreright}. dc-cs{clear:both;-width:100}.
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Free Shipping Condition: Used Location: China We will do our best and help you provide the solution. ※All faulty due to improper installation or improper use will NOT be covered by the warranty.
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$1.09 Shipping Condition: New Location: China Its user friendly interfaces allows for quick responses and high precisions testing, enhancing the overall user experience.
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$1.99 Shipping Condition: New Location: China 1xElectronic Tube. DC 5V-15V Frequency Square Wave Pulse Generator Oscillator Output Signal Source. 2PCS SoloTop for Apple Vision Pro Modern Solo Knit ... moreTop-Strap Adapters Strap. USB 5V CANable USB to CAN Converter Module CAN Debug Adapter CAN Bus Analyzer.
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$3.99 Shipping Condition: New Location: China Due to the light and screen difference, the item's color may be slightly different from the pictures. Usually it cost about 35USD-50USD. - Size app: 18.5x9x3cm.
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$8.15 Shipping Condition: Used Location: Belen, United States Item has been tested to the best of our in-house capabilities. Item is previously used surplus, microphone windscreen and case ARE NOT included.
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$40.00 Shipping Condition: Used Location: China BRUEL& KJAER 2238 MEDIATOR SOUND/NOISE LEVEL METER Description Bruel& Kjaer 2238 Mediator Sound Level Meter. S/N: 2160421 Listing Includes Bruel& ... moreKjaer 2238 Mediator and Mic Preamp. It can be ran on the power supply or on 4 LR6 batteries. The last calibration was performed The 2238 Mediator covers the following standards: IEC 60651 Type 1. 1979& Amendment 1 1993& Amendment 2 2000 IEC/EN 61672- 2002 Class 1 EN60651 Type 1 IEC/EN 60804 Type 1 ANSI S1.4-1983 Type S1 ANSI S1.43- 1997 Type 1 Condition The sound meter is in good working condition. But its Microphone capsule is missing. It is fully functional if you may find the Microphone capsule for it It is a used unit and it has scratches and scuffs on the casing. 7-day warranty!
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Free Shipping Condition: New Location: Walnut, United States Accuracy: ±1.5dB. Resolution: 0.1dB. 【A/C Switch 】 Frequency weighted selection switch A/C switch. Accuracy:±1.5dB. Linearity Range:50dB. Sound Pressure ... moreLevel Accuracy±1.5dB. √Max Hold Function. √Back Light.
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Free Shipping Condition: New Location: China 1xElectronic Tube. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2Pcs Universal Sensitive Touch ... moreScreen Stylus Pen for Android Pad Phone PC Tablet.
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$9.90 Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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$9.90 Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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Free Shipping Condition: New Location: Minooka, United States EXTECH 407790A. Wide 100dB range of 30dB to 130dB. Grainger reserves the right to accept or reject any order. administered by BIS, and the International ... moreTraffic in Arms Regulations administered by DDTC.
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Free Shipping Condition: Used Location: China
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Free Shipping Condition: Used Location: China We will do our best and help you provide the solution.
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Free Shipping Condition: New Location: China Feature :audio spectrum analyzer,audio level indicator. Model:DIY Kit.
$19.95 Shipping Condition: New Location: Saratoga, United States This device operates on a 9V battery (about 30 hours) or an AC adapter (included). A heavy duty carrying case is also included for the protection of the ... moredevice and your convenience. It needs to attach to a computer to log data.
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Free Shipping Condition: New Location: China Model: AS824. Bar graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display period: 50 mS. It has two equivalent weighted sound ... morepressure levels, A and C. Suitable for AC and DC signed output for frequency analyzer level re corder, FFT analyzer, graphic recorder etc.
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$20.00 Shipping Condition: New Location: 龙华区, China Frequency weighting: A/C. Fast & Slow dynamic characteristic modes. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder ... moreetc. Frequency range: 31.5Hz-8KHz. AC output: 0.707Vrms at FS output impedance, approx.
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$24.95 Shipping Condition: New Location: Saratoga, United States This device operates on a 9V battery (about 30 hours) or an AC adapter (included). A heavy duty carrying case is also included for the protection of the ... moredevice and your convenience. Accuracy +/- 1.4 dB.
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$19.26 Shipping Condition: Neu Location: Dresden, Germany Schliessen Sie das System einfach an einen freien USB Port an, weitere Schritte sind nicht notwendig. Dadurch steht eine große Palette an Optionen zur ... moreVerfügung. Mit den üblichen Adaptern können Sie auch 1" bzw.
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Free Shipping Condition: New Location: China AC Output: 4Vrms/ full bar graph, output impendence approx.600 ohm. Fast and slow dynamic characteristic modes. Accuracy: ¡À1.5 dB (reference sound pressure ... morestandard, 94dB@1KHz). Auto Power off: 10 minutes without operation.
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$68.95 Shipping Condition: Used Location: Canada
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Free Shipping Condition: New Location: China list- All Categories- Car LED Light- Car Audio& Video- Car Accessories- Car& Truck Exterior Parts- Motorcycle- Bike- Automotive Tools- Instrument- ... moreCar Accessories Car Bumpers Car Grilles Motorcycle Bike Automotive Tools New LCD Digital Sound Level Meter 30dB-130dB USB Noise Measurement GM1356 Click an image to Enlarge. Description Introductions: This BENETECH GM1356 Digital Sound Level Meter 30dB-130dB is mainly used for measuring environmental noise in various occasions. Such as industry, office, traffic, loudspeaker box, air-conditioner, refrigerator, etc. Made of high-quality material, the outer shell is strong and uneasy to crack or break. Featuring a large measuring range from 30dB to 130dB, this device is practical in many fields. Highly accurate measuring degree with 1.5dB difference up and down guarantees its performance and value. What is more, with automatic backlight display, it is energy-saving and environmentally friendly. Come on and create healthy and quiet environment for yourself and your family! Features: 1. Wide measuring range is from 30dB to 130dB 2. High accuracy measuring function 3. Automatic backlight LCD display 4. Maximum value hold function 5. Low battery indication is energy-saving 6. Auto power off function is smart and convenient 7. Handheld design with ergonomic principle is easy to operate Specifications: 1. Calibration Sound Source: 2. Measurement Range: 30~130dBA.35~130dBC 3. Accuracy: ±1.5dB 4. Frequency Response: 31.5Hz~8.5KHz 5. Resolution: 0.1dB 6. Measuring Level: 30 to 80. 50 to 100, 60 to 110, 80 to 130, 30 to 130 7. Dynamic Range: 50dB/100dB 8. Overload Indication: over/under 9. Frequency Weighting Characteristic: A and C 10. Digital Display: 4 Digits 11. Analogy Bar Graph: 1dB/1 Bar Graph 12. Sampling Rate: 20times/sec 13. AC Signal Output: 4Vrms/full Bar Graph.Output Impedance is about 600 ohm 14. Dynamic Characteristic: FSAT/SLOW 15. Calendar Accuracy: ±30 Seconds/day 16. Data Storage Quantity: 4700 17. The Maximum Value Holding: Max 18. A
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Free Shipping Condition: New Location: China DT-8852 Sound Level Meters 8851/8852 Sound Level Meters are designed for noise project.Quality control, illness prevention& cure and all kinds of ... moreenvironmental sounds measurements. It is applied to the sounds measurement at factory. School, office, traffic access and household etc. Features: 1.This unit confirms to the IEC61672-1 class 2 for Sound Level Meters 2.MAX& MIN measurements 3.Overrange display 4.Underrange display 5.A& C Weighting 6.FAST& SLOW response 7. Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder 8. Datalogger function(8852) 9. Adjustable Alarm-Levels(8852) 10. Memory for 32700 readings 11. USB interface Specifications: Standard applied IEC61672-1 Type 2.ANSI S1.4 Type2 Accuracy ± 1.4dB Frequency range 31.5HZ ~ 8KHZ Dynamic range 50dB Level ranges LO:30dB~80dB Med:50dB~100dB Hi:80dB~130dB Auto:30dB~130dB Time weighting FAST( 125mS) SLOW( 1s) Microphone 1/2 inch electret condenser microphone Resolution 0.1dB Display Update 2 times/sec Analog output AC/DC outputs. AC=1Vrms,DC=10mV/dB Accessories: Battery( not included) Audio plug, microphone sponge. Software, USB cable, tripod and DC 9V power adapter and gift box with carrying case. a;06d2.RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk.rp73%28%3Ea%3B06d2-1470cd7ec86-0x10e-
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Free Shipping Condition: New Location: China Feature :audio spectrum analyzer,audio level indicator. Model:DIY Kit.
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$20.00 Shipping Condition: Used Location: China We will do our best and help you provide the solution.
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$19.95 Shipping Condition: Used Location: Seneca, United States Tested out fine. works great.
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$98.67 Shipping Condition: Used Location: Oak Park, United States Larson Davis 824 Sound Meter. The pictured System was sent to Larson Davis (PCB Piezotronics) for a COMPLETE UPDATING of HARDWARE, SOFTWARE and NBS TRACABLE ... moreCALIBRATION. It has NEVER been used since calibration. If you see the back picture, the Calibration Sticker says Cal Done on 4 May 2021. Includes printed Model 824 Precision Sound Level Meter & Real Time Analyzer "Reference Manual". Also included are the Calibration Sheets for this instrument in a 3 ring binder that is 3" thick and weighs about 9 pounds.
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$55.00 Shipping Condition: Used Location: Singapore For sale 01dB SIP95 Sound Level Logging Meter FFT Audio Analyzer. Unit was bought for a project and only used few time, super condition
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$15.55 Shipping Condition: New Location: Louisville, United States Displaying with breaking the spectrum into octaves. Distortion (clip) detector. Simultaneous work with two signal sources. Next-Lab RTA High SPL Microphone. ... moreThe device has two Lab-Bus digital bus ports to which the pressure sensors, microphones or power sensors can be connected.
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$55.00 Shipping Condition: New Location: 龙华区, China 30dB ~ 130dB (A), 35dB ~ 130dB (C), 40dB ~ 130dB (Z). -Dynamic range:100dB. Dynamic Range. -USB interface. - Frequency range: 31.5Hz ~8KHz. 3 1/2 digit ... morebacklit LCD display with maximum reading of 1999.
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Free Shipping Condition: New Location: United States We take our reputation seriously.
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$100.00 Shipping Condition: New Location: China Features: Superb high– contrast backlit TFT– LCD color display Real-time 1/1-Octave and 1/3-Octave analysis 4GB microSD Memory Card Data transfer using ... moreUSB Real time clock with calendar AC and DC outputs Specifications: Microphone 1/2-inch Electret condenser microphone Measurement range 25dB to 140dB Measurement function Lp.Leq,LE,Lmax,Lmin,LN Measurement level range 20-90dB， 20-100dB， 20-110dB， 30-120dB， 40-130dB Accuracy ±1.4dB(94dB@1kHz) Frequency range 1/1 Octave analysis(31.5Hz to 8kHz) 1/3 Octave analysis(25Hz to 10kHz) Frequency weighting A.C,Z Time weighting Fast、 Slow、 10ms、 Impulse Display 320x240 TFT– LCD display with back light Memory capacity 4GB microSD Memory Card Power 4 pcs of C size 1.5V(LR14) batteries Power Supply: DC6V. 1A Battery life Approx. 2hrs Operating Temperature/Humidity-10 ℃ ~50 ℃， 10~90%RH Dimensions& Weight 34.5(H) x 10(W) x 6(D) cm Approx. 950g(including batteries) Accessories Instruction manual. Battery x 4. Carry case, Software, USB cable. 4GB microSD Memory Card, Adjustment screwdriver. Wind shield, 3.5f plug. AC/DC Adaptor Reading before Buying 1. We offer various shipping services to meet your needs. Unless stated otherwise, the goods will be delivered by courier provided by TNT, UPS, DHL, FedEx, EMS. China Post or Hong Kong Post after the payment has been full paid and cleared. 2. Processing Time is 1-4 days according to if it is in stock or not. Shipping time is 5-7 days according to different countries. Otherwise sometimes it may be delayed due to Customs or other reasons. 3. Your order will be delivered to your confirmed PayPal address. If your PayPal address is not correct. Please inform of us in time. 4. The tax and duty rates are different in each country. So all the prices do not contain any tax or duty. If it causes any tax or duty, the buyers pay for that. 5. All of our products are new and have one year warranty; if it is returned or exchanged. Please contact us first and keep it in original package. 6. Please check the package before you sign it.
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$50.00 Shipping Condition: Used Location: China NO INTERNATIONAL SALES! Sorry. But if you are outside the US do not even bid! UPDATE: I apologize. I negelected to say that this meter is actually a Type ... more2236 A-007. It has SW Version 1.2(That's what appears on the screen when it first turns on. Sorry of any inconvenience or misunderstanding. Please look at the photo of the back side for the serial number. This offering includes the technical manuals and start guides for Types 2236 and 2236 A-007. This meter and accessories were purchased in the early 1990s and used infrequently to make field measurements of highway traffic noise. These meters are great for other situations both interior and exterior. The meter and calibrator both work and require AA batteries(not included) These meters are of a rugged. Robust design and can be used in a variety of situations. Please note that the terminals for one battery are damaged and small bits of foil are inserted to make the connection. This does not seem to affect operation. This listing consists of a Bruel& Kjaer Type 2236 A-007 Integrating Sound Level Meter. Included with this meter are the following: Carrying case Microphone Wind Screen(probably should be replaced) Technical Documentation(User) Manual for Type 2236 Technical Documentation(User) Manual for Type 2236 A-007 Two Quick Guides B&K Environmental Noise Measurement Booklet B&K Measuring Sound Booklet B&K Sound Level Calibrator Type 4231(with case/cover for field use) B&K Sound Level Calibrator Type 4231 Technical Documentation(User) Manual When originally purchased from B&K. The factory sent the wrong User Manual and Quick Guide. They later sent the correct ones. That’s why there are two of each. Sorry. We do not ship outside the US. Please Note: This meter has not been factory calibrated since purchase. If used for consulting for local. State, or federal agencies and in any situation that has the potential for professional liability or litigation, it should be factory calibrated before use.
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Free Shipping Condition: New Location: China Feature :audio spectrum analyzer,audio level indicator. Model:DIY Kit. 4 Audio Spectrum Analyzer.
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$9.88 Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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Free Shipping Condition: New Location: China Feature :audio spectrum analyzer,audio level indicator. Model:DIY Kit.
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Free Shipping Condition: New Location: Uttam Nagar S.O, India Lp (Sound Pressure Level): The instantaneous sound level in dB. This microphone converts the incoming acoustic energy into electrical signals for further ... moreprocessing. The display may also indicate minimum and maximum values over a recording session.
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$21.95 Shipping Condition: New Location: Saratoga, United States DT-8851 Industrial High Accuracy Digital Sound Noise Level Meter Data Logger with USB Interface Product Description This is a brand new CEM DT-8851 certified ... moredigital sound/ noise level meter. This meter has a built-in USB port which connects to a laptop PC for recording the sound level over a period of time. This is an ideal instrument for noise monitoring in factory. School, business and traffic areas. This meter conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standards. This device operates on a 9V battery(about 30 hours) or an AC adapter(included) It is very accurate(+/ 1.4 dB) and durable. An ideal companion for your field projects. A heavy duty carrying case is also included for the protection of the device and your convenience. PLEASE NOTE: This meter does not have internal memory. It needs to attach to a computer to log data. Features Conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standard for sound level measurement MIN and MAX sound level hold Over range/ under range display A& C frequency weighting Fast(125ms) and slow(1s) time weighting Analog AC/DC output for connection to frequency analyzer or X-Y shaft recorder. USB interface for computerized digital sound level recording Specification Accuracy +/ 1.4 dB Frequency range 31.5 Hz- 8KHz Dynamic range 50dB Level ranges Lo: 30- 80 dB Med: 50- 100 dB Hi: 80- 130 dB Auto: 30-130 dB Time weighting Fast: 128 ms Slow: 1 sec Microphone 1/2 inch electret condener microphone Resolution 0.1 dB Display update 2 times/ sec Analog output AC: 1Vrms. DC: 10mv/dB Certified Photos Click image to enlarge. Policy Summary Product Condition New. Guaranteed to work Manufacturer's Warranty 1 year Under normal use; replace. Repair or refund at manufacturer's sole discretion Seller's Warranty 30 days Under normal use; replace. Repair or refund at seller's sole discretion US continental shipping and handling Expedited shipping to US location Non-refundable Sales tax Applies to California residents Payment Please contact seller if you are not
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Free Shipping Condition: New Location: China Frequency Range: 10KHz - 10MHz. - Noise Indication: 4 digits yellow and blue two-color OLED digital dot matrix display. - 1 x Mains Noise Analyzer. - ... moreThe speaker plays EMI sounds and amplitudes are demodulated to identify EMI sources (such as AM or shortwave radios, motors and arcs).
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