GE B20 B40 Patient Monitor Keypad Membrane 2050566-002A Compatible New

product features:

This monitor keyboard membrane has good compatibility and is brand new. Membrane keyboards do not have stuck or smelly shafts, and they can be easily waterproofed. The dual waterproof design of membrane keyboard sealing circuit + water conduction hole has a good protective effect against liquid splashes. Robust and durable, it is suitable for demanding work and meets high hygiene standards. The name of the membrane keyboard is due to its structure. The triggering principle is obvious, which is to trigger the electrodes on the circuit through the membrane to generate a signal. In fact, membrane keyboards also need to be waterproofed to be waterproof, and because the circuits are connected, if there is a problem with any part of the circuit, at least one key will not work, or a whole row of keys will not work.
Membrane keyboards have scientific methods to test their lifespan, but this test can only be used as a reference. The normal service life can reach more than 1 million times, but the actual number of uses is more than that! For example, the shutter life of an entry-level SLR is about 50,000 times, but my Nikon D610 has used at least 150,000 shutters and has not changed anything yet. Because this is the official reference value, it means that within this range, the performance is optimal. If it exceeds the reference number, the optimal state cannot be guaranteed. If the service life is exceeded, there may be problems with missed or misfired or even malfunctions.

Product advantages:

☑Sealing surface is easy to clean and disinfect
☑Solid keyboard surface
☑Achieves over 1 million key presses without any issues
☑Dustproof and waterproof
☑High wear resistance
☑High keyboard sensitivity
☑Shallow installation depth

How to protect the key film:

The simplest method is to use a special instrument cleaning agent, then use a small square towel or cotton swab dipped in some cleaning agent, and wipe it over and over again along the key film until everything is wiped clean. Disinfect with alcohol again.

Quick Detail:

How to install:

Disassemble the membrane switch panel, and then lift off the upper layer of membrane switch. Use a multimeter to find out the connection position t of each button switch point and the circuit board to ensure that the modified switch connection point corresponds to the original one;

At each switch point of the base film, use a positioning cone to tap a hole in the metal plate. The perforation size is slightly larger than the actual size of the emblem switch button to ensure that the emblem switch button is in the hole. It is advisable that the up and down movement is not hindered. If the hole is too small, it will affect the elastic effect of the switch and cause the switch to malfunction;