1 Check whether the power supply is normal, the switch is normal, the indicator light, the indicator table is normal, and the cleaning tank is clean. 2 Put in the cleaning solution before turning on the working power. Observe whether the reading of the current indicator is between 80-100. The temperature of the cleaning solution is between 40-60 degrees. There will be small bubbles in the colleague's sink accompanied by “å±,å±"The sound, this means that normal cleaning begins. 3 Insulated gloves must be worn during the ultrasonic cleaning process. 4 The cleaning object can not be placed directly on the bottom of the cylinder, so as not to affect the cleaning effect. It should be placed in a special cleaning basket or a zero-load method. 5 The height of the cleaning solution will also affect the cleaning quality. The cleaning position of different objects should be explored for the best position (Note: the volume ratio of cleaning solution to cleaning tank is 3/4). Do not switch on when there is no cleaning liquid in the 6 cylinders to avoid damage to the transducer. 7 When not in use for a long time, the machine should be kept in a dry place. 8 Place the workpiece tray into the ultrasonic cleaning tank for liquid cleaning. 9 working time is 1-2 minutes, manual cleaning - use the tool to gently clean the surface of the workpiece (nylon brush) to ensure that the surface of the workpiece and the inner hole are clean. (Note: If there are impurities in the hole, spray it with a high-pressure air gun, then Then put it in the cleaning solution for cleaning). 10 to prevent the workpiece from scratching the surface and loss during the cleaning process to ensure the integrity of the workpiece.
Video door-phone (also known as video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is that it enables the person indoors to identify the visitor and, if (and only if) they wish, engage in conversation and/or open the door to allow access to the person calling.
The following product is the best-selling and most cost-effective video door phone in our factory,
It adopts a 4.3-inch high-definition screen and an aluminum alloy body, and is equipped with led light. It has night vision function and can clearly monitor the outdoor environment and make video calls with visitors even in the dark; physical button operation, classic design, no Easily leave fingerprints and keep your device clean and tidy. It can be used in multi-apartment systems.
The product parameters of 888QZJ4A are for your reference:
1. 4.3 inch 720 HD display TCP/IP Intercom system
2. Calling, intercom, unlocking, monitoring
3. High quality aluminium alloy frosted panel + physical buttons
4. Digital camera, stable and clear image shooting
5. Night vision and bright light compensation function
6. Full duplex voice intercom, comparable to ordinary telephone intercom
7. Elevator linkage function, connect the security system
8. LINUX system platform architecture, system simplification and stability
9. LPDDR3 1 GB memory, standard EMMC 8 GB storage expandable
10. RJ45 standard ethernet interface all-digital design
11. Low power consumption technology solution, saving energy and long life span
12. Dimension:400*140*51(mm)
13. Install method : Wall/flush install (390*130*46 mm)
14. Image/video advertising playback (advertising can be customized)
15. Door opening:IC/ID card/ password/call the Indoor Monitor or center management machine unlock
We are a factory specializing in the production, manufacture and research and development of video door phones for 11 years. We are located in the beautiful coastal city - Zhuhai. We have our own R&D team, we can provide professional products and services. We have different systems of video door phone for different customers and markets, for example, IP video door phone, 2-wire Audio door phone, 4-wire video door phone and wireless doorbell, if you are interested, please feel free to contact me, I can send our catalog to your email.
Video Door Phone,Video Door Phone Intercom System,Video Phone Doorbell,Video Door Calling System Zhuhai Mingke Electronics Technology Co., Ltd , https://www.zhmkdz-electronics.com
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