BC-22II Industrial Multi functional Equipment Alarm Crane Loudspeaker; The BC-2 series multi-purpose alarm is a product developed by our company based on the actual situation of large and medium-sized driving in the port machinery, metallurgy, and electromechanical industries. This product has the advantages of small size, novel appearance, simple operation, convenience and practicality. After practical use, various tone alarm prompts have played an important role in coordinating work, equipment alarms, and protecting personal safety& nbsp; The main technical parameters are applied in the fields of port machinery, metallurgy, and electromechanical industries, such as large and medium-sized cranes. The working voltage of port and lifting machinery is AC24V~AC240V/AC380V, DC24V~DC48V (for selection), and the rated power is 10W/25W/50W * N; N-Number of speakers Horn impedance 8&Omega/ 16Ω The power frequency is 50Hz~60Hz, and the sound level is 106dB~110dB. There are three types of factory tones A/B//E. If there are special needs, the alarm can be processed into language or special sound effects according to the sound content provided by the user& nbsp; The environmental temperature is -20 ℃~+70 ℃, and the delay function is continuously adjustable for 2-60 seconds. The main function and characteristics are various alarm tones to choose from. The volume is continuously adjustable. You can shout. With alarm delay (optional). Sound and light synchronous alarm (optional). Multiple combination configuration methods make system applications flexible and convenient. The appearance structure is novel and easy to operate and use& BC-22II Industrial Multi functional Equipment Alarm Crane Speaker Shandong Zhuoxin Machinery Co., Ltd. is located in the economic capital of Shandong, China. It mainly engages in the production and sales of instruments, automation equipment, and complete supporting products. Its main products are sold to factories, mines, power plants, and universities across the country. Our products include non-destructive testing equipment, ultrasonic thickness gauges, coating thickness gauges, vibration gauges, noise gauges, infrared thermometers, pressure gauges, pressure controllers, oscilloscopes, power supplies, bimetallic thermometers, thermocouples, thermistors, temperature transmitters, proximity switches, rope switches, deviation switches, push-pull force gauges, testing machines, and other supporting products.