The casing form has been completely renewed, improving convenience for on-site work and the robustness of the main unit!
The "LM-331" is a multifunctional level measuring instrument that supports testing and maintenance of transmission lines, transmission devices, and communication equipment. It consists of an oscillator, level meter, DC voltmeter, AC voltmeter, and ohmmeter, and is a high-performance handheld type capable of two-way communication via a 4W dedicated line. It is the successor model to the multifunctional level measuring instrument LM-321 for audio frequency bands. 【Features】 ■ Built-in speaker allows monitoring of audio signals ■ Two-way communication via a 4W dedicated line ■ Continuity check possible with buzzer sound ■ Added waterproof function (equivalent to IPX2) ■ Three strap holes (one on the top and two on the bottom) for versatile use according to the environment *For more details, please refer to the PDF document or feel free to contact us.
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【Other Features】 - Composed of an oscillator, level meter, DC voltmeter, AC voltmeter, and ohmmeter, it is a high-performance handheld type. - Measurement values can be read directly on a digital display, and the peak hold function allows for the retention of maximum/minimum values. - With the single frequency measurement function, it is possible to measure the answer tone of fax machines and modems. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Founded in 1950, Oi Electric has realized many developments, including the pocket bell (1963) and desktop calculators (1963). The challenge spirit of the engineers at that time has been passed down to the current engineers, and we will continue to contribute to the development of social and communication infrastructure. If you are thinking, "I need something more than a generic product," "developing this will be costly," or "is there a product like this?" we would appreciate your contact. After listening to your needs, we will propose products that match your requirements. Our strength lies in developing high-quality products that can only be made through domestic production.