Polarity Tester 139B
- Estimate pricing$ 400
- AvailabilityIn stock
- Model139B
- Polarity indicatorGreen indicator: Positive polarity with beep sound. Red indicator: Negative polarity with no sound at all.
- Measuring distance2 to 4 Cm. from the center point. of the dust cover of the pre-measure loudspeaker.
- Measuring sensorUses ECM.
Products Description
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 the production line. Loudspeaker Polarity Tester 139B 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 the 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, and rattle of a loudspeaker. Only one operator is needed. (5) Measuring distance: 2 to 4 Cm. from the center point. of the 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. SUNLIGHT AUDIO SWEEPER 7116C Loudspeaker Polarity Tester 139B NOISE GENERATOR 8121C GAUSS METER 138 IMPEDANCE METER 152A DIGITAL HIGH-SPEED Fo METER 7117 C.
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Products Specification
- Model139B
- Polarity indicatorGreen indicator: Positive polarity with beep sound. Red indicator: Negative polarity with no sound at all.
- Measuring distance2 to 4 Cm. from the center point. of the dust cover of the pre-measure loudspeaker.
- Measuring sensorUses ECM.
- Dimension85 ( height ) x 205 ( width ) x 280 ( depth )
- Weight2.3 Kg.
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The Polarity Tester 139B is a tool for determining the positive and negative polarity of loudspeaker components. It can be connected to Model-7116C to measure buzz and rattle. The device measures from 2 to 4 cm from the dust cover center, uses an ECM sensor, and has dimensions of 85 mm height x 205 mm width x 280 mm depth with a weight of 2.3 Kg.
Import Wholesale Polarity Tester 139B for Your Business Needs
At Global Trade Plaza, we understand that quality is paramount in the B2B sector. As updated by the seller, the Polarity Tester 139B is manufactured to meet rigorous industry standards, ensuring reliability and performance for your business operations. Designed with businesses in mind, the product offers outstanding end user experience. As your business grows, so do your needs, hence it is designed to scale with you, offering flexible solutions that adapt to changing demands. Explore more such product varieties from sellers, suppliers, manufacturers and exporters at our website. You can even import or export Polarity Tester 139B or connect with global Importers and Exporters online.
About Supplier
Shenzhen Baichuan Electronics Co., Ltd. is a premier leather products export company, established in 2010 and based in China. With a decade of experience, Shenzhen Baichuan Electronics Co., Ltd. has built a reputation for delivering high-quality leather goods to clients across the globe. The company specializes in a wide range of leather products, including bags, wallets, belts, and custom leather accessories, all crafted with precision and attention to detail. Leveraging advanced manufacturing techniques and stringent quality control processes, Shenzhen Baichuan Electronics Co., Ltd. ensures that each product meets the highest standards. The company’s commitment to excellence, timely delivery, and customer satisfaction has made it a trusted name in the international market.Shenzhen Baichuan Electronics Co., Ltd. continues to expand its global footprint, exporting its superior leather products to various countries, while maintaining strong relationships with clients worldwide.
Supplier Details for Polarity Tester 139B
- Established - 6 Oct, 2026
- Business Type - Contact Seller
- Deals in Product Type - Tools & Instruments
- Country - China
Frequently Asked Questions (FAQs) on Polarity Tester 139B
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The trusted supplier, Shenzhen Baichuan Electronics Co., Ltd., accepts for transactions related to Polarity Tester 139B. All payments are processed securely via the Global Trade Plaza B2B platform, ensuring buyer protection and supplier credibility.
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5. What is the Port of Dispatch, Estimated Price, and Packaging Type Offered by Shenzhen Baichuan Electronics Co., Ltd.?
Shenzhen Baichuan Electronics Co., Ltd., a reliable B2B trader from China, dispatches Polarity Tester 139B primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, reach out via the Inquire Now button or Sign Up for direct supplier interaction.
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