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Home > Electrical & Electronics > Power Transmission & Transformer > Instrument Transformer > 139B Sensor and Polarity Tester
139B Sensor and Polarity Tester
US$ 80 - 85
MOQ: 1 Bag
Key Specifications
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Brand Name:
sunlight
Place of Origin:
China
Model Number:
139b
Payment & Shipping
Payment Methods:
Port of Shipment:
SHENZHEN
Delivery Detail:
1 days
Related Products
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
| 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. |
Send Inquiry to This Supplier
Mrs. Sally Chen
sallychen@szbcelectr
Shenzhen, Guangdong, China
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Business Type
Trading Company
Year Established
2011
Annual Export Value
Below US$1 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
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