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China 139B Loudspeaker Polarity Tester - China Supplier
China 139B Loudspeaker Polarity Tester - China Supplier

139B Loudspeaker Polarity Tester

Price:$550 /t
Industry Category: Machinery & Industrial Equipment/General Industrial Equipment Agency
Product Category:
Brand: SUNLILAB
Spec: Polarity Tester


Contact Info
  • Add:Xianglong Building, Heping Road, Longhua District, Shenzhen, China www.szbcelectronics.com, Zip: 518109
  • Contact: sally chen
  • Tel:086+13302916851
  • Email:sallychen@szbcelectronics.com

Other Products

Description
Additional Information

Loudspeaker Polarity Tester 139B

Loudspeaker Polarity Tester 139B  and Sensor

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 loudspeaker simultaneously. It is quite suitable for 100% Q.C. testing for loudspeakers in production line.

Technical specification:
(1) Pulse measuring method.
(2) Polarity indicator :
(a) Green indicator : Positive polarity with beep sound.
(b) Red indicator : Negative polarity with no sound at all.
(3) Five touch switches :
(a) WF range : Suitable for measuring the polarity of woofer.
(b) M & T range : Suitable for measuring the polarity of midrange and tweeter.
(c) EXT.1 to EXT.3 : Used to select the instrument connected to the external input terminal.
(4) Model-139B can be connected with Model-7116C, to measure the buzz, rattle of a loudspeaker. Only one operator is needed.
(5) Measuring distance : 2 to 4 Cm. from the center point. of dust cover of the pre-measure loudspeaker.
(6) Measuring sensor : Uses ECM.
(7) Dimension ( m / m ) : 85 ( height ) x 205 ( width ) x 280 ( depth ).
(8) Weight : 2.3 Kg.

 

Industry Category Machinery & Industrial Equipment/General Industrial Equipment Agency
Product Category
Brand: SUNLILAB
Spec: Polarity Tester
Stock: 20
Manufacturer:
Origin:
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