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  • allsun EM480B Digital Handheld Megohmmeter Insulation Resistance Tester Digital Audio Impedance Tester Speaker Voice Resistor Ohmmeter LCD Backlight Yellow

    GENERAL INSTRUCTIONEM408B is a precise measurement instrument that specially applied in measuring audio impedance.Applied in many wide application, such as measuring the impedance of loud speaker,a set of soundssystem,home theater and commercial audio sytem. Features1.True measurement of speaker systems actual impedance at 1kHz2.Three test ranges (20Ω/200Ω/2000Ω)allow testing of home theater and commercial sound systems.3.Convenient protable battery operation. 4.Low battery indication 5.Data hold function6.Timer function for easier operation. The timer can last about 30 seconds minutes after users press TEST button.7.Auto power off: after about 15 minutes of nonz- use Front Panel:*Display LCD*"Test" button*"Lock" key*"Hold" key*Backlight key*Function/tange switch*LED indicator*Current terminal*Voltage terminal*Grounding voltage test*Input terminal for grounding voltage testSPECIFICATION Display: LCD 3 1/2 digits (2000 counts), with unitData Hold Indication: H symbol appears on the displayPower supply: 9V DC (6 x 1.5V AA battery) (Exclude) Accuracy is specified for a period of one year after calibration and at 18℃ to 28℃, with relative humidity

    • ASIN: B07BJYQZTJ
    • Color: Yellow
    • Brand: allsun
    • ASIN: B07BJYQZTJ
    • UPC: 788537552734
    • Part No: em480b

  • Tenma 72-6948 Audio Impedance Meter

    Active device is essential for reliable installation of background music and paging systems in residences, offices buildings and public areas. Avoid costly service calls and amplifier damage by verifying actual speaker system impedance prior to operation. Unlike conventional volt/ohm meters, which measure DC resistance, this unit utilizes an internal 1KHz oscillator to measure true impedance. Accurately measure speaker lines that utilize impedance matching volume controls, switchers, transformers and passive crossovers Because this unit accurately measures up to 20Kohm, it may also be utilized with 25V, 50V, 70V, and 100V speaker line transformers in commercial installations (information included in the manual) Large digital display features 1" characters for easy viewing Rotary selector provides 200Ω, 2KΩ and 20KΩ scales Rugged, double insulated case is CATIII rated for use up to 200V Dimensions: 3" (H) x 7"(W) 3-1/4"(D) Includes: Test leads, carry case and owners manual Requires six "AA" batteries, not included

    • ASIN: B008BW9MI0
    • Brand: Tenma
    • ASIN: B008BW9MI0
    • UPC: 610079984240
    • Part No: 72-6948

  • ALLOSUN Audio Impedance Tester Digital LCD Insulation Resistance Megohmmeter Meter Tester with Bag

    This instrument is accurate, reliable and easy to operate. For insulation resistance test, you can change the test voltage among 250V, 500V and 1000V. it can also be used to test ACV, resistance which is less than 200Ω, and test for continuity. You can use it to test transformer, motor, cable, switch, electrical appliance as well as to do insulation resistance test. Features 1.True measurement of speaker systems actual impedance at 1kHz 2.Three test ranges (20Ω / 200Ω / 2000Ω) allow testing of home theater and commercial sound systems. 3. Convenient portable battery operation. 4.Low battery indication 5. Data hold function 6.Timer function for easier operation. The timer can last about 30 seconds minutes after users press TEST button. 7. Auto power off: after about 15 minutes of non-use. Technical Specifications Display: LCD 3 1/2 digits (2000 counts), with unit Data Hold Indication: H symbol appears on the display Power supply: 9V DC (6 x 1.5V AA battery) (Not provided by seller) Accuracy is specified for a period of one year after calibration and at 18℃ to 28℃, with relative humidity Accuracy specifications take the form of : ±([% of Reading] + [number of Least Significant Digits])  Range: 20Ω / 200Ω / 2000Ω  Resolution: 10mΩ / 100mΩ / 1Ω  Accuracy: ± (2%+2) ...

    • ASIN: B013QKIGU6
    • Brand: ALLOSUN
    • ASIN: B013QKIGU6
    • UPC: 788537553533
    • Part No: EM480B

  • POE IP Camera CCTV Tester Security Camera with Monitor Systems -1080p 7" Touch Screen LCD IPS 4k Monitor - 16G TF POE HDMI RJ45 TDR Network Cable Tester WiFi Ptz Analog Audio Osd Cameras

    1)Screen upgrade more high-definition, resolution 1920 × 1200, more high-definition delicate 2)Battery upgrade, thickening 7000mA / 7.4V polymer lithium battery, more durable 3) 4K H265, H264, MPEG4 network camera main stream test, clear and smooth, completely reduction high-definition picture quality 4) HDMI high-definition signal input, Test DVR / NVR recorder 5)Support TVI3.0, maximum 5MP 2560*[email protected], support zoom、photo、video、 playback. Support coaxial view control menu call 6)Support CVI3.0, maximum 4MP 2560*[email protected], support zoom、photo、video、 playback. Support coaxial view control menu call 7)Support CVI3.0, maximum 5MP 2560*[email protected], support zoom、photo、video、 playback. Support coaxial view control menu call 8) New Desktop design, convenient and beautiful, humanized design 9) Open source, can install Android software, such as QQ、WeChat, etc. 10)Support wireless WIFI hotspots, easy connection test wireless WIFI camera 11)Support the new version of HIKVISION IP camera, add ONVIF agreement, the new HIKVISION SADP tool 12. Built-in 7.4V 5000mAh high capacity rechargeable Polymer lithium ion battery, PoE 48V/24W standard power supply output,output power 12V/24V Package Includes: 1 Pcs 7inch touch screen IP/ CVBS Tester 1 Pcs Adapter DC12V 2A ...

    • ASIN: B01HBCZ7ZW
    • Color: Grey
    • Brand: GXA
    • ASIN: B01HBCZ7ZW
    • UPC: 758330082141
    • Part No: K700S

  • Fluke Networks CIQ-100 Cable Tester

    CABLEIQ QUALIFICATION TESTER

    • ASIN: B0007RTPBQ
    • Brand: Fluke Networks
    • ASIN: B0007RTPBQ
    • UPC: 787416108574
    • Part No: CIQ-100

  • Dayton Audio DATS V2 Computer Based Audio Component Test System

    The most complete and easy-to-use audio test system toolkit is now better than ever! Dayton Audio's DATS V2 is a powerful, versatile measurement and analysis device -- now with improved performance and stability!

    • ASIN: B007Q2NRU0
    • Brand: Dayton Audio
    • ASIN: B007Q2NRU0
    • UPC: 844632094255
    • Part No: 390-806

  • Capacitor Ohm Meter, KKmoon MESR-100 ESR Capacitance Ohm Meter, Professional Measuring Capacitance Resistance Capacitor Circuit Tester

    ❤❤This MESR-100 V2 auto-ranging capacitor ESR and low Ohm meter measuring range from 0.001 to 100.0R, support in circuit testing. Using true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer.❤❤Features: Dual terminal, for fast and easy inspect general capacitor or resistor, a printed ESR table for fast check. Specifications: Range         Accuracy(After zero,     Refresh Time(Manual Mode)            tested with 1,10,100R    Auto mode take 0 to 2s, more time            resistor)            depends on capacitance value. 0.000 to 1.000R  1%+2Digit             ~0.4s 1.000 to 10.00R  1%+1Digit             ~0.4s 10.00 to 100.0R  2%+1Digit             ~0.4s Accuracy: Up to 1% (detail on above table) Wide Measurement Range: >1uF High Resolution: 4 digit, or 0.001Ohm @ 1 Ω range Measuring voltage: 80 Hours Item Size: Approx 14.5 * 8 * 3cm / 5.7 * 3.1 * 1.2in Item Weight: Approx 139.6g / 4.9oz Package Size: Approx 17 * 9 * 5cm / 6.7 * 3.5 * 2.0in Package Weight: Approx 218g / 7.7oz❤❤Package List: 1 * Capacitance Meter 2 * Test Clips 1 * User Manual

    • ASIN: B0779D67SB
    • Color: Black
    • Brand: KKmoon
    • ASIN: B0779D67SB
    • UPC: 798881670350
    • Part No: FEK7942175384642NY

  • Digital Portable Sound Level Noise Decibel Tester Meter Resolution 0.1dB Handheld Sound Noise Level Measuring Gauge Data Record Function Range 30 to 130dBA

    Shipping Policy : Battery and Liquid not included during the shipping Specifications: * Calibration sound source: 94dB @ 1kHz * Measurement range: 30~130dBA * Accuracy: +1.5dB(reference sound pressure standard,[email protected]) * Frequency response: 31.5~8.5KHz * Resolution: 0.1dB * Frequency weighting: A/C * Analogy bar graph: 2dB/1 Bar graph * Sampling rate: 2 times/second (FAST), 1 time/second (SLOW) * AC signal output: 4Vrms/ full barograph, output impedance is approx 600 ohm * DC signal output: 33mV/dB * Dynamic characteristic: FAST (high speed) / SLOW (low speed) * Data storage quantity: 32000 readings * Power supply: 6V (4pcs AA Size 1.5V battery)(Battery not included in the package) * Dimension: 245 x 70 x 25m * Weight: 240g Features: * Sound level Range:30 to 130dB (Low=30-100dB ,High=60-130dB) Auto Ranging * Frequency weighting: A/C * Fast/Slow time weighting selection * 32000 Reading Internal Memory (Data record function) * Max Hold function * High accuracy * Bar graph display * AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record. * White Backlight * Over / Under alert function * Time display * Auto-off function setup * Low Battery Alert * Tripod Mount (Tripod not included) * Software, USB Lead, D...

    • ASIN: B0792D32VB
    • Color: Black
    • Brand: CNYST
    • ASIN: B0792D32VB
    • UPC: 665059224755
    • Part No: CNYST

  • EM480B Audio impedance tester test ranges 20/200/2000 resistance meter 1KHz resistance tester

    Note : This package does not include batteries. Due to new rules of China Post Air, parcels must not include batteries, otherwise it will not get through the custom. FEATURES >>> 1. True measurement of speaker systems actual impedence at 1KHz. 2. Three test ranges (20/200/2000Ω) satisfy the testing requirement in home theater and commercial sound systems. 3. Convenient and portable battery operation. 4. Low battery indication 5. Data hold function 6. Timer function: this timer can last about 30 seconds after users press Test button 7. Auto power off: after about 15 minutes of non-use SPECIFICATION >>> 1. Range: 20Ω/200Ω/2000Ω 2. Resolution: 10mΩ/100mΩ/1Ω 3. Power Supply: AC 110V/220V ±10%, 50/ 60HZ

    • ASIN: B07BWMMWFM
    • Brand: YARUIFANSEN
    • ASIN: B07BWMMWFM
    • UPC: 641055913152

  • TOA ELECTRONICS ZM104A IMPEDANCE METER/TONE GENER

    IMPEDANCE METERThe ZM-104A Impedance Meter can measure the impedance of speaker lines easily in the same manner as a circuit tester measures impedance of speaker lines up to 100k ohmsBatteries required: four (AA)Batteries not includedZero adjustment for accuracy on all rangesRange Selection: x1, x10 & x100Easy to read meter calibrates directly in ohmsIncludes carrying case, test leads and impedance to power reference chartFive year warranty Package Contents: ZM-104A Impedance Multimeter Carrying Case Test Leads Impedance to Power Reference Chart Material: ABS Resin Product Type: Multimeter Product Type: Multimeter Manufacturer Part Number: ZM-104A Limited Warranty: 5 Year Weight (Approximate): 1.54 lb Color: Black Form Factor: Handheld Manufacturer: TOA Corporation Product Model: ZM-104A Product Name: ZM-104A Impedance Multimeter Brand Name: TOA Brand Name: TOA Height: 7.1 Width: 4.3 Depth: 2.3

    • ASIN: B004KO1AS8
    • Brand: Toa LERAMED
    • ASIN: B004KO1AS8
    • Part No: ZM-104A