139B sensor and polarity tester

FOB Price

USD $80 - $85 / Bag

1 Bag(Min.Order)

Supply Ability 20 Bag / Bags per Month
Port SHENZHEN
Payment Terms:T/T
Delivery Detail:1 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; Phone86-755-27709066; Addresslonghua Shenzhen,Guangdong

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139B sensor and polarity tester

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