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  3. 139b 139b : 2 Products found from 2 Suppliers & Manufacturers
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  • Loudspeaker Polarity Tester 139B

    • Min. Order:  

      1 Box

    • Price:  

      US$ 450

    • Place of origin:  

      China

    • Supply Ability:  

      20

    Even in a very noisy environment, Model-139B still has the ability to determine quickly and precisely the positive and negative polarity of a loudspeaker、headphone、receiver and every single unit in a loudspeaker system. Model-139B also includes 3 sets of external input terminal and selector which can be used to combine with other instruments, in order to measure the other features of a loudsp

    [Related Keywords : polarity, polarity tester, 139b, Loudspeaker Polarity Test]

    Contact Now Start Order

  • kl-139a/B

    • Place of origin:  

      China

    • Price Condition:  

      FOB

    KL-139A/B TDS Tester Product description：: Model KL-139A KL-139B Measuring range 0~1999ppm Accuracy ±2℅F·S Resolution 1ppm Display 4-digital LCD Environment Humidity:≤95℅ Automatic Temperature Compensation 0℃~50℃ Power Supply 4×1.5V(AG13) Dimensions 165mm×26mm×26mm 60mm×55mm×23mm Weight 63g 60g

    [Related Keywords : ph meter, ec meter, tds meter, orp meter]

    • Kelilong

    • Business Type

      Manufacturer

    • Location

      Fujian, China

    • Employees Total

      51 - 100

    • Annual Revenue

      USD 500,001 - 1,000,000

    Contact Now Start Order
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