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$0.26 Shipping Condition: New Location: 金东区, China
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$7.89 Shipping Condition: New Location: China Product range: 30~130dB. • Large Screen with full Scale and White Backlight. • Frequency band of sound level: A & C. Storage temperature: -10 to 60oC ... more(14 to 140 oF). Resolution: 0.1dB. • Maximum Hold and Data Hold.
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Free Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China Model: TA8151. Dynamic characteristic rotation: Fast/slow. Backlight display: Yes. Due to the different monitor and light effect, the actual color of ... morethe item might be slightly different from the color showed on the pictures.
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Free Shipping Condition: New Location: China Feature: 1. Data Transmission: Noise detector can perform data transmission function through USB data cable, and upload it to the computer for analysis. ... moreBacklight Function: Sound monitor has backlight function, saves electricity, and is suitable for collecting sound data at night.
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Free Shipping Condition: Brand New Location: China Compared with ordinary sensors, it is more sensitive, accurate and stable.
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$0.55 Shipping Condition: New Location: China
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$109.99 Shipping Condition: New Location: China Distortion Range: 0.01% - 30% 6 Full Scale. Input Resistance: 100KΩ.
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$15.00 Shipping Condition: New Location: China Power off mode, disable auto power off is available. High/low reading indication. Data update. Enable/Disable auto power off. High accuracy, fast response. ... moreAuto power off. 144 56 30.5mm. We will get back to you in 12 working hours.
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$49.99 Shipping Condition: New Location: China Distortion Range 0.1% To 30% 6 Full Scale. Input Resistance 100K Ω. Arrived Rate. United Kingdom. Helpful Links. Test Level Range 100M V To 100V 7 Ranges. ... moreUnited States.
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$95.00 Shipping Condition: New Location: China Distortion Range: 0.01% To 30% 6 Full Scale. Input Resistance: 100KΩ. Test Level Range: 100M V To 100V 7 Ranges. Weight:About 4KG.
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Free Shipping Condition: New Location: Uttam Nagar S.O, India Automatic power off. Automatically select best range: 30-80dB, 40-90dB, 50-1 OOdB, 6070-120dB,80-130dB.
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$3.99 Shipping Condition: New Location: China Frequency Weighting:A (Ambient Noise) Weighting. - Accuracy: ±1.5dB ( In standard sound: 94dB@1KHz). Usually it cost about 35USD-50USD. - Frequency Response ... moreRange: 31.5Hz~8.5KHz.
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Free Shipping Condition: New Location: China Distortion Range:0.01% - 30% 6 Full Scale. Input Resistance: 100KΩ. Weight: About 4KG.
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Free Shipping Condition: New Location: China Accuracy: ±1.5dB (reference sound pressure level, 94dB @ 1kHz). Installation hole size: 96 x 83mm. Helpful Links. Toy & Hobbies.
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$5.00 Shipping Condition: New Location: China Vector diagram indication, phase indication, clear and intuitive; With "X signal normal, Y signal normal, in phase, out of phase" and other voice prompt ... morefunctions, making the test more simple and easy.
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Free Shipping Condition: New Location: China Distortion Range:0.01% - 30% 6 Full Scale. Input Resistance: 100KΩ.
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Free Shipping Condition: New Location: 宝安区, China Function: SL. for thus we'll try you a cheerful buying experience here. here we are always standby to try you a 100% satisfied buying, hope you'll enjoy ... morean excellent buying experience here. Battery indicator: low battery indicator.
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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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Free Shipping Condition: New Location: China Feature: 1. 4 in 1 Smart Tester: Equipped with buzzer alarm, this monitor can be used to test CO2 concentration, temperature, humidity and sound level. ... moreItem Type: CO2 Monitor. CO2 Indicator CO2 Concentration Unit: PPM.
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$70.00 Shipping Condition: New Location: China The residual distortion : greater than or equal to 70 db (distortion than less than or equal to 10 db, input level greater than or equal to 30 mv). If ... morethe pointer is not zero, but by adjusting the knob of the front panel.
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$5.74 Shipping Condition: New Location: Australia Minimum, maximum and data hold values, and A & C weightings to get the right response for the human ear. Includes an Alarm function which can be set to ... moreOver and Under thresholds. Great for car audio installers, clubs and PA.
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$5.00 Shipping Condition: New Location: China PHONIC PAA6 Dual Channel High Precision Handheld Audio Spectrum Analyzer USB2.0 Support Balanced XLR Input/Output. - 1 x Set of Spectrum Analyzer. - Input/output: ... moreXLR input x 2 (balanced/unbalanced), XLR output x 1 (servo balance).
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$113.90 Shipping Condition: New Location: China New Automatic Audio/Signal Distortion Meter& Milli-Voltmeter" Suitable For Engineering Services. Electric Lab, Production Line, Audio& HI ... moreFI Tuning/Testing Signal Level& Distortion Measurements" HIGH ACCURACY& RELIABILITY! EASY USE AND OPERATE! General Features: Automatic measurement of distortion and level parameters for audio/ Hi Fi products; Reading based on 400Hz and 1KHz for distortion measurement from 0.01% to 30% full scale; Measure distortion may contain wow and flutter. Simple/ direct measurement without pre-calibration before measurement; Major Specifications: Distortion Measurement: Input level: 10mV to 100Vrms; Measured Frequencies: 2 spot frequencies at 400Hz and 1KHz; Measuring range: 0.01% to 30% full scale in 6 ranges; Harmonic accuracy: +/0.5dB for 2Fo to 10KHz; Residual distortion: 70dB or more; Fundamental rejection: 66dB or more at fo +/5% Automatic frequency selection: +/5% of the nominal turning frequency(fo) Level Measurement- Measure range: 100mV to 100V in 7 ranges; Frequency response: refer to 1KHz) +/0.5dB from 20Hz to 50KHz; +/1dB from 20Hz to 100KHz; Accuracy: +/3% of full scale( 1KHz) Input impedance: 100 Kohm; AC output voltage: Approx. 1Vrms; Max input: 100Vrms( DC+AC) Power requirement: 110V/220V AC selection; Dimensions: 283 x 155 x 264mm; Weight: Approx. 5kg; Accessories: English user manual/ AC cord/ Test Lead BRAND NEW! EASY TO USE& OPERATE! Terms and Conditions Payment Instruction: Buyer accepts the item price and shipping cost when proceeds to" buy-it-now" or placing the bid- We accept PAYPAL. Or bank wire if needed. Payment should be completed within 3 working days after order is made Shipment: Item will be tested fine before ship. Item is normal shipped within 3 to 4 workings days after the payment unless it is otherwise specified- If available. Shipping information will be put on the e-bay when item is shipped Item damage and replacement: If the item damaged upon arriv
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$0.84 Shipping Condition: New Location: China Recommend. BUY IT NOW, 30-130dB LCD Digital Sound Noise Level Meter Measure Decibel Pressure Tester Navigation: Features: Specifications: Features: It ... moreis designed according to following standards. International Electrician Committee Standard: IEC 651 TYPE 2& ANSI 1.4 TYPE 2. With modern compact and portable appearance design. Accuracy up to ±1.5dB. Maximum value holding function to lock up the maximum reading. Large LCD screen with digits reading. Equipped with a sponge ball. Auto power off design for energy saving. Auto backlight display. Portable. Easy-to-use and handy instrument for sound quality control in factory, traffic, family, and audio system. Specifications: Measuring range: 30-130dBA Accuracy: ±1.5dB Frequency range: 31.5Hz to 8.5KHz Frequency weighting: A Digital display: 4digits Resolution: 0.1dB Sample rate: 2 times/second Microphone: 1/2 inch electret condenser microphone Max hold: MAX Power supply: 9V battery(the battery is not included) Power life: About 30 hours(alkaline battery) Operating condition: 0-40℃ 10-80%RH Storage condition: 10-+60℃ 10-70%RH Product weight: 105g Package weight: 130g Product size: 14.2* 5.3* 3.5cm Package size: 15.2* 6.0* 4.2cm Package list: H8032 1* Sound Level Meter 1* Sponge Ball 1* User Manual. If you want to buy different color or similar items. Please click the following photos to visit my eBay store. Thanks. Payment: 1. We accept payment via PAYPAL ONLY. 2. Payment must be made within 4 days of auction closing. 3. TOTAL AMOUNT DUE includes the final auction price plus S&H(Shipping and Handling) 4. S&H will be determined based upon the SHIP TO address. PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES. LOCATL TAXES OR ANY OTHER IMPORTATION FEES. 5. Please list your special requests(color. Packages, etc. in the PAYPAL NOTES SECTION when you make payment. Shipping: 1. WORLDWIDE SHIPPING. Except China.Belgium, Luxembourg, Italy, Germany and Croatia) 2. Orders processed within 24-48 hours of payment verification. 3. We only ship to confirmed PAYPAL ad
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$83.00 Shipping Condition: New Location: China Distortion Range 0.1% To 30% 6 Full Scale. Input Resistance 100K Ω.
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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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$0.23 Shipping Condition: New Location: China i000000. Mini Digital Sound Level Meter Noise Tester 30-130dB Decibel Monitor LCD Display Welcome to our store Product Description? This is an easy to ... moreuse and handy Mini Sound Level Meter. Designed for sound quality control that measures sound level from 30dBA up ~ 130dBA. It has auto range. Wide measuring and frequency range(31.5Hz ~ 8.5KHz) maximum hold, Frequency Weighting A and Auto Backlight. Just press one button readings are instantly displayed. A practical little tool great for noise pollution monitoring, home theater setup, health and safety compliance, vehicle noise testing, etc. Auto backlight has a light sensor on top of LCD that detects environment lighting condition. Lighting display intensifies as the environment lighting condition gets darker. The darker the enronment the brighter the illumination. Also. It it reads in dBA and provides windscreen to filter-out unwanted signals. Professional Sound Level Meter/Testing Tool Compact Design. Precise& Accurate Measuring Range: 30~130 dBA Accuracy: ±1.5dB(94dB@ 1KHz) Digit Display& Resolution: 4 Digits& 0.1 dB Frequency Response: 31.5Hz~8.5kHz Frequency Weighting Characteristic: A Sampling Rate: 2 times/second 1/2” Polarization Capacitance Microphone Low Battery Indicator 9V Battery Included Tool Dimension: 2.25” x 1” x 5.9” Tool Weight: 144g Including Battery Complies to IEC PUB 651 TYPE2/ IEC PUB 651 TYPE2 Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge We usually ship within 1 business day of receiving cleared payment。 If you haven't received your item in Estimated delivery time.Feel free to email us,We will offer you a satisfactory solution. Ship to PayPal address only.Please check it before payment. Any shipping problem caused by wrong address will counted as non-seller mistake. Thanks for your purchase! We Accept PayPal only. Please pay within 7 days.Any problem please feel
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$52.16 Shipping Condition: Neu Location: Kamenz-Umland, Germany Ln: Zeigt die Abweichung zu einem vordefinierten Limit in % an. Können am PC angezeigt werden. Hilft bei der Unterscheidung zwischen normalen Schalleinflüssen ... moreund überhöhten Lärmbelastungen, z. B. in einer Fertigungshalle.
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$13.00 Shipping Condition: New Location: China No shutdown function:Long press to boot to LCD flash. Digital display:4 digits. Product size:56 70 35 mm. Frequency response:31.5HZ-8.5KHZ. Data storage:with. ... moreMaximum value locked:Y. Frequency weighting characteristics:A/C weighting.
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Free Shipping Condition: Brand New Location: China 1 x Decibel Detector (without battery 3X AAA battery)). 2X(Capacitive microphone sensor: high-precision sensor with excellent sensitivity and accuracy. ... morewindshield design: more accurate sound collection, Filter the effect of wind on sound.
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$5.55 Shipping Condition: Brand New Location: Bayswater, Australia Minimum, maximum and data hold values, and A & C weightings to get the right response for the human ear. Includes an Alarm function which can be set to ... moreOver and Under thresholds. Great for car audio installers, clubs and PA.
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$14.00 Shipping Condition: New Location: Laguna Woods, United States Model Number: DSM402SD. Manufacturer Part Number: DSM402SD. Style: Class 2 Sound. Manufacturer General Tool. Auto power off function.
$13.52 Shipping Condition: Used Location: Smeaton Grange, Australia Being externally polarized, Type 4941 must be used with a classical preamplifier.
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$30.00 Shipping Condition: New Location: China
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$0.60 Shipping Condition: Brand New Location: China 1 x Decibel Detector (without battery 3X AAA battery)). 3X(Capacitive microphone sensor: high-precision sensor with excellent sensitivity and accuracy. ... morewindshield design: more accurate sound collection, Filter the effect of wind on sound.
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$31.00 Shipping Condition: New Location: 龙华区, China Note: we'll ship this item via express mail service& Epacket to USA. Canada, Australia, New Zealand, Ireland, Austria, Belgium, Denmark, Germany, ... moreFrance, Finland, Luxemburg, Malta, Norway, Sweden, Swiss, Spain, Italy, UK, Japan, Korea,Thailand, Malaysia, Indonesia, Philippine, Singapore. Clients from other countries pls contact with us in advance to confirm the different shipping charges before you order. Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise. But especially for industrial, environmental and aircraft noise. SPECIFICATIONS: Microphone Capacitance Microphone Measuring Range 30-130dB Accuracy ±1.5dB Frequency Range 20HZ-8.5KHZ Frequency Weighting A/C USB Computer Connect USB Data Analysis offline Data Store 10000 stock AC\DC Output √ Low Battery Indication √ Over Range Indication √ Resolution 0.1dB Time Weighting Selection Fast/Slow Max Hold Function √ PACKING INFORMATION Power AAx4 battery( not included according to shipping company's requirement) with external power receptacle) Product Net Weight 300g Product Size 210x72x32mm Packing Gift box
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$12.95 Shipping Condition: New Location: Saratoga, United States My eBay Store Categories. Postage Offers. Payment Methods. Sign Up Newsletter. Add my Store to your Favourites and receive my email newsletters about ... morenew items and special promotions! General Interest CEM DT-173 USB High Accuracy Digital Sound Noise Level Data Logger Datalogger. CEM DT-173 is certified digital sound/ noise level datalogger. This meter has a built-in USB port which connects to a Windows PC for uploading the recorded data. This is an ideal instrument for noise monitoring in factory. School, business and traffic areas. This meter conforms to the IEC61672-1 Class 2 standards. This device operates on a 3.6V Lithium battery. This device is very accurate(+/ 1.4 dB) and durable, an ideal companion for your field projects. Features: IEC61672-1 CLASS2 MAX& MIN measurements A& C Weighting NORM(Normal) PEAK mode 25ms sample interval FAST& SLOW response Manual and Automatic mode Note: 1 The NORM mode is in the sample point 20 times(50ms) data. Store 20 times average of the data, and in all sampling points 20 times data take a PEAK value and the value of a PEAK MIN MAX. This pattern at the time of sampling rate is more than 10 seconds, if not to the sampling time will close the peripheral power to save electricity, consumes only about 30 ua current at this time. 2 PEAK mode. The DataLogger always with interval measurement data of 50 ms, the PEAK value is the maximum and minimum value of the whole process of work, rather than the sampling points of maximum and minimum value. In sampling the sampling data storage is sampling points 20 data in one of the biggest, rather than the average. Specifications: Standard applied IEC61672-1CLASS2 Accuracy ±1.4 dB Frequency range 31.5HZ-8KHZ Dynamic range 50 dB Level ranges Auto: 30dB-130dB Frequency weighting A/C Time weighting FAST(125ms)SLOW(1s) Memory Readings 29920 points for dBA or dBC Sample rate 1 Sec. to 24h Microphone 1/2 inch electret condenser microphone Data output USB data traffic Power 3.6V Lithium battery Battery life About 240 hours Current
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Free Shipping Condition: New Location: China Screen Display: 0.1 dBA. Charging: 1000 mA 5V DC. Detection Humidity Range: 20%-85% (Accuracy: 5%). Detection Temperature Range: -10℃-50℃. 2 x Expansion ... moreTube". Frequency Range: 50Hz-8.5kHz. Orange: Below 20.
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Free Shipping Condition: New Location: China We will be glad to work together and provide a satisfying solution.
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$30.00 Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China [High Accuracy] The sound level reader uses smart air semiconductor sensor to test the decibel, temperature and humidity value, which is more sensitive, ... moreaccurate and stable. Feature: 1. Detection Humidity Range: 20% to 85% (Accuracy: 5%).
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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: 宝安区, China Resolution: 0.1dB. The use of durable, long lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance ... morefor many years. The housing has been carefully shaped to fit comfortably in either hand.
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Free Shipping Condition: Brand New Location: China [High Accuracy] The sound level reader uses smart air semiconductor sensor to test the decibel, temperature and humidity value, which is more sensitive, ... moreaccurate and stable. [Adjustable Design] Not only can the screen brightness be adjusted, you can also adjust the speed of detection.
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Free Shipping Condition: New Location: China Features:1. LCD backlight display-high definition display, clear, intuitive reading, LCD backlight dark environment operation is also convenient.2. Simple ... moreoperation buttons, real materials, toughness, and easy operation.3. The appearance design of the digital sound level meter is novel, compact and easy to carry.4. Suitable for noise engineering, quality control, health prevention and various environmental noise measurement.5. It is suitable for noise measurement in various occasions such as factories, offices, traffic roads, homes, and audio.Specifications: Measuring range: 30~130dBA, 35~130dBCAccuracy: ±1.5dB (at the reference sound pressure level, 94dB@1KHz)Frequency response: 31.5Hz~8.5KHzDynamic range: 50dB / 100dBFrequency weighting charact.
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Free Shipping Condition: New Location: China Derma Roller. Alarm function. Wall hanging type. With the hanging hole, it can installed on the wall to or free stand on the table. Data storage. 0.1dB(100dB). ... moreAlarm Reminder(sound+display).
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$0.59 Shipping Condition: Brand New Location: China 1 x Decibel Detector (without battery 3X AAA battery). windshield design: more accurate sound collection, Filter the effect of wind on sound. Material: ... moreplastic.
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$3.86 Shipping Condition: Brand New Location: China 1 x Decibel Detector (without battery 3X AAA battery). windshield design: more accurate sound collection, Filter the effect of wind on sound. Material: ... moreplastic.
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Free Shipping Condition: New Location: 金东区, China Automatically power off after 10 minutes of inactivity. Sound level Made of high quality materials, sturdy and durable. Has 2 equivalent weighted sound ... morepressure levels A and C. Level 4: 80~130 decibels.
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$3.86 Shipping Condition: Brand New Location: China This product is mainly used to test the noise generated normally. Accuracy:±1.5 dB.
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Free Shipping Condition: Brand New Location: China
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Free Shipping Condition: New Location: China Skin Tester. Alarm function. Super large 9.6" LCD digital display with backlight that makes reading more clear and visually in dark areas. Skin Scrubber. ... moreData storage. 0.1dB(100dB). abusing, alteration, neglect, disassembly or dropping.
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Free Shipping Condition: Brand New Location: China Processor:ARM ,High-speed complex calculations. Detection for Noise : Electret Condenser microphone. Display :LED Screen. Storage temperature: -10°C to ... more60°C;. Size:270 x 90 x 35mm. Detection temperature: -10°C to 50°C;.
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$5.83 Shipping Condition: New Location: China Mini Digital LCD Sound Noise Level Meter Tester 30~130 dBA Decibel Pressure New Description NO.82022. This is an easy to use and handy Mini Sound Level ... moreMeter. Designed for sound quality control that measures sound level from 30dBA up ~ 130dBA. It has auto range. Wide measuring and frequency range( 31.5Hz ~ 8.5KHz) Maximum hold. Frequency Weighting A and Auto Backlight. Just press one button readings are instantly displayed. A practical little tool great for noise pollution monitoring. Home theater setup, health and safety compliance, vehicle noise testing, etc. Auto backlight has a light sensor on top of LCD that detects environment lighting condition. Lighting display intensifies as the environment lighting condition gets darker. The darker the environment the brighter the illumination. Also. It it reads in dBA and provides windscreen to filter-out unwanted signals. Special Features Wide dynamic range Compact and pocket-size Instantaneous Sound Measure Function IEC651 TYPE2 Standard ANSIS1.4 TYPE2 US Standard Automatic Backlit Display Digital Display with Auto Range Uses dBa as unit of measurement ± 1.5dB high accuracy Easy one-hand operation with 1-button operation Maximum Hold function With weighted sound pressure levels A Low battery indication Auto power off design for energy saving Tripod Thread at the back Large and clear LCD screen Reliable. Accurate and fast way to measure sound level and calculate the decibel of factory, office, traffic, family, audio system, etc Specifications Measuring Range: 30 ~ 130dBA Accuracy: ±1.5dB Resolution: 0.1dB Frequency Range: 31.5HZ ~ 8.5KHZ Frequency Weighting: A Sampling Frequency: 2 times/sec Digital Display: 4 digits Microphone: 1/2" Electret Condenser microphone Auto Power Off Low Battery Indication Max Hold Function Operating Condition Temperature: 0~40°C(32 ~ 104 °F) Humidity: 10~80%RH Storage Condition Temperature: 10~60°C(14 ~ 140 °F) Humidity: 10~70%RH Power Supply: 1 x 9V Battery( included) Dimension: 57 x 26 x 149mm Set Inclu
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Free Shipping Condition: New Location: 金东区, China New DIESEL TIME PU Leather Band Sport Casual Men Wrist Watch 4 Color for Choice Description. Features: Designed according to following standards: International ... moreElectrician Committee Standard: IEC 651 TYPE 2& ANSI 1.4 TYPE 2. Wild Measurement Range: 30-130dB. Accuracy: up to ± 1.5dB. Windscreen for Filter-out Unwanted Signals. With 2 equivalent weighted sound pressure levels A and C. AC& DC analogy signal output are available connecting to frequency analyzer level recorder. FFT analyzer and graphic record. A frequence weighting for general sound level measurements. C frequence weighting for checking the low-frequency content of sounds. Large LCD screen with digits reading. Fast and Slow dynamic characteristic modes. Fast rate to pick up the current reading. Slow rate to pick up the reading of average within 1 second. Maximum value holding function to lock up the maximum reading. Equipped with sponge ball. Auto power off design for energy saving. Portable. Easy to use and handy instrument for sound quality control in factory, office, home, school and construction site. Specifications: Accuracy: 1.5dB(under reference conditions) Measuring Level: 30-130dB(A)35-130dB(C) Frequency Range: 31.5Hz to 8.5KHz Linearity Range: 50dB/100dB Digital Display: 5 digits Resolution: 0.1dB Bar Graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display Overload Indication: OVER/UNDER Frequency Weighting: A and C Level Ranges: 30-80dB. 50-100dB, 60-110dB, 80-130dB Self Calibration Time: 3sec Sampling Rate: 20 times/seconds AC Signal Output: 0.707Vrms/ full bar graph. Output impedance is about 600ohm DC Signal Output: 10mV/dB.Output impedance is about 100ohm Dynamic Characteristic: FAST(high speed)SLOW(low speed) Power Supply: 4x AA 1.5V alkaline cells or DC 6V 100mA Microphone: 1/2" Electret Condenser microphone Item dimensions: 240 x 70 x 35mm Item weight: 305g Shipping& Handing. Item will be shipped within 24-48 hours after full payment is received. We ship worldwide with flat rate
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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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Free Shipping Condition: New Location: China
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$30.00 Shipping Condition: New Location: China The default alarm value s 130. Users can adjust it from 50 to 130dB. Press " Button No.4 " to turn off alarm and the red light off;. Frequency Weighting:A ... more(Ambient Noise) Weighting. Audio Outlet: when there is an alarm with 2KHz Signal, it can drive the loudspeaker to alarm.
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$30.00 Shipping Condition: New Location: China The default alarm value s 130. Users can adjust it from 50 to 130dB. Press " Button No.4 " to turn off alarm and the red light off;. Frequency Weighting:A ... more(Ambient Noise) Weighting. Audio Outlet: when there is an alarm with 2KHz Signal, it can drive the loudspeaker to alarm.
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