139B sensor and polarity tester

FOB Price

US$ 80 - 85 / Bag

1 Bag(Min. Order)

Port SHENZHEN
Payment TermsT/T
Delivery Detail1 days

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Product Details

Brand Name	sunlight	Place of Origin	China
Model Number	139b	Weight	2.5
Operating Temperature	139b	Supply Voltage	139b
Dimensions	139b	Display Type	Other, 139b
Accuracy Class	139b	Measuring Range	139b

Product Description

  Not affected in a noisy place, and can judge at once the polarity of any types of loudspeaker and headphone, suitable in production line.
  Can be linked with 3 other kinds of instruments ( Model-152A , 7117C and 7116C ).  Only one  person  is  needed  to make  the  operation,  save  labor  and  time .
  Easy  to  learn,  to  operate,  high  reliability.
Has the Positive/Negative indicator extended device, only those Model-139B with serial no. "PLxxxxxxxxx" have this function. (This extended device must be connected with the Extended Pilot (Model-139BL))
In a HI-FI Stereo System, Loudspeaker & Headphone with a correct polarity is very important.  If the phase ( polarity ) was reversed, HI-FI Stereo's effectiveness would  be seriously affected.  139B is not affected at all in a noisy place, and can judge at once the polarity of the loudspeaker and headphone. 139B can be connected with 152A, 7117K, 7116C to test 4 parameters.  Only one operator is needed ( see left page ).
139B is suitable for loudspeaker system, loudspeaker, multimedia, monitor, headphone  and  audio firms.

Specifications of Model - 139B

Pulse Testing Method.
Polarity :
Pos. polarity :Green LED indicator with beep sound.
Neg. polarity : Red LED indicator with no sound.
WF : suitable for the woofer.
M & T : suitable for the midrange, tweeter & headphone.
Ext.1 ~ Ext.3 : For connecting instruments.
Sensor : ECM
Five selecting switches :
Dim. : 28 ( L ) × 9 ( H ) × 21 ( D ) cm.
Net Weight : 2.5 KGS.

Contact Us

Shenzhen BaiChuan Electronics Co., Ltd.: Contact nameSally Chen
Chat Now; Phone86-755-27709066; Addresssallychen@szbcelectronics.com, Shenzhen, Guangdong

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139B sensor and polarity tester

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