Hongkou medical pager Air purification sterilizer Manufacturer of digital intercom system

Briefly describe the maintenance of medical air purifier: 1. Unplug the power plug before cleaning and maintenance. Use warm water or neutral detergent when cleaning. 2. Air inlet prefilter: clean it every 6 months, and clean it every 3 months if it is seriously polluted. After unloading, rinse with clean water, cool and dry before loading. Keep records. 3. The internal electric field components are generally maintained once every two years, and once a year in case of serious pollution, which is carried out by the relevant departments and recorded. 4. Maintenance of composite activated carbon filter: the wall mounted non activated carbon filter does not need to be replaced.

Hongkou medical pager Air purification sterilizer Manufacturer of digital intercom system

Clinical call for help is the main means to transmit clinical information. Medical pager is a special tool for patients to require doctors or nurses on duty to carry out diagnosis or nursing. It can quickly transmit patients' regulations to doctors or nurses on duty, and leave accurate and complete records on the computer of the monitoring center in the duty room. It is one of the necessary equipment to improve the level of outpatient and ward care in the hospital.

Hongkou medical pager Air purification sterilizer Manufacturer of digital intercom system

Try to achieve small size, light weight, low price and low power consumption. Pagers can receive a wide range of services from numbers and simple phrase messages to Chinese characters, documents, notifications, stock markets, and even serve as terminals for telegrams and data networks. The sensitivity of Chinese character display or digital display pager is better than 10 μ V/m or 5 μ V/m； Adjacent channel selectivity is better than 60dB (VHF band); Digital display bit length shall not be less than 12 bits; Mean time between failures shall not be less than 30000 hours.

Hongkou medical pager Air purification sterilizer Manufacturer of digital intercom system

The working principle of the medical pager is the called user receiver in the wireless paging system. It consists of superheterodyne receiver, decoder, control and display. It selects the useful signal to be received from the paging signal and interference transmitted by the base station, restores it to the baseband signal of the original paging machine, and generates audio (or vibration) and digital (or letter, Chinese character) messages. The BP machine has two modes of manual tandem and automatic tandem, and the corresponding paging stations are called manual paging stations and automatic paging stations. The manual paging station needs manual operation to encode these information and send signals through the transmitter. According to the line number of the incoming phone, the automatic paging station automatically finds out the caller's phone number and sends it out at the same time, so that the callee can know which phone is calling. Pagers often used are divided into two categories: digital pagers and Chinese pagers. Digital pager is small, cheap and practical. The Chinese pager displays Chinese characters directly, and the information is easy to recognize.