139B Polarity Tester and the Sensor
US$ 80 - 85
/ Bag
1 Bag(Min. Order)
- SHENZHEN
- T/T
- 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 Chat Now
- Phone86-755-27709066
- Addresssallychen@szbcelectronics.com, Shenzhen, Guangdong
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| sunlilab | CLIO | SOUNDCHECK | LMS |
| DASS | WICKON | 8121C | CRY |
| sunlignt | BK | Particle | Audio Analyzer |
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