大井電気 List of Products and Services

The "WT-920" is a handheld testing device compatible with LoRaWAN in the specific low-power 920MHz band for the Japanese market. It can perform connection confirmation tests to existing networks as a LoRaWAN end device and measure the propagation characteristics of specific sections using LoRa modulation on its own. It is highly effective for preliminary investigations in network construction and for identifying causes during malfunctions. 【Features】 ■ Connection testing for LoRaWAN networks is possible (LoRaWAN device mode) ■ PER (Packet Error Rate) measurement can be performed against this device (PER measurement mode) ■ RSSI (Received Signal Strength Indicator) can be displayed in a list (Simple Spectrum Analyzer mode) In Simple Spectrum Analyzer mode, it also supports SIGFOX and other modulations besides LoRa. ■ GPS location information can be recorded along with RSSI measurement results. ■ Data can be saved to a memory card with a maximum capacity of 2GB, allowing for the creation of area maps on a PC and checking usage rates by channel. *For more details, please refer to the PDF document or feel free to contact us.

The "Electronic Measurement Equipment Catalog" features a wide range of items, from measuring instruments for telephones and fax machines to digital communication measuring instruments utilizing advanced technology and wireless-related measuring instruments. It includes the "Multi-Function Level Fluctuation Recorder," which is particularly effective for the maintenance and troubleshooting of data communication lines using primarily voice frequency bands, as well as "Multi-Function Level Meters" and "Analog Meter Type Level Gauges." [Contents] ■ Bit Error Tester ■ Multi-Function Level Fluctuation Recorder ■ Multi-Function Level Meter ■ Analog Meter Type Level Gauge ■ Transmission Characteristics Measuring Instruments, etc. *For more details, please refer to the PDF document or feel free to contact us.

This device can multiplex and separate various digital signals such as SDH and LAN with a transmission capacity ranging from 1.544 Mbps to 9.95328 Gbps, allowing for a maximum of 4 channels and 8 waves to be transmitted and received over a single optical fiber. Additionally, it can accommodate up to 2 systems in one unit. 【Features】 ■ Build a high-capacity and economical network By using wavelength multiplexing, it enables effective utilization of existing optical transmission paths, high-capacity transmission, and the mixing of synchronous networks, asynchronous networks, and IP networks. ■ Rich lineup of transponders and SFP modules A wide variety of transponders are available to meet various needs such as high reliability, cost-effectiveness, flexibility, and high accommodation efficiency. ■ Hot-swappable All transponders are designed for hot-swapping, allowing for the addition or removal of packages without affecting other operational lines during system operation. *For more details about the product, please download the PDF document or contact us.

The LM-332 is a multifunctional level measuring instrument that supports testing and maintenance of transmission lines, transmission devices, and communication equipment. The housing design has been completely renewed, improving operability and the robustness of the main unit. Additionally, the addition of new features has enhanced convenience for on-site work, making it the successor model to the multifunctional level measuring instrument LM-322 for audio frequency bands. 【Features】 ■ Added LPF function to various evaluation filters (sophometer, BPF, BEF) ■ Measurement data storage via multimedia card (with storage interval setting function) ■ Level meter (with frequency counter) -60dBm to +10dBm / 80Hz to 25kHz ■ Oscillator 200Hz to 25kHz (-50dBm to +5dBm) ■ Multimeter function (DC voltmeter, AC voltmeter, ohmmeter) ■ Measurement assistance functions (peak hold, single frequency measurement, communication function) *For more details, please refer to the PDF document or feel free to contact us.

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.

Ohi Electric Co., Ltd. is a company that has been active in a variety of fields, from infrastructure support to everyday life assistance, leveraging the strength gained through a continuous accumulation of technology and creativity since its founding. Our consistent development system, from software development to hardware development and further to product maintenance and system proposals at our domestic production facilities, guarantees our technical capabilities and reliability. We offer high-level technology that enhances customer brands, including "transmission equipment" and a wide range of support for our new wireless business with "wireless communication equipment." [Product Lineup] ■ Transmission Equipment ■ Monitoring and Control Equipment ■ Wireless Communication Equipment ■ Electronic Measurement Equipment *For more details, please download the PDF or feel free to contact us.