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New Feature "Simon" Life Cycle Test System - Switch Bounce Test Added
The B886 Simon System has been designed for life cycle and fatigue testing of switches, membrane switches, keyboards and keypads. It system contains all the components needed to life and fatigue test a wide range of components (Control Unit, test fixture, power supply, pneumatic cylinder & Hoses, silicone test probe, USB lead, Windows software and instruction manual). How easy is it to use? Simply decide on the force required, enter the resistance values, the number of cycles and product name then push start. There are lots of other things that you can set or adjust but for many tests the default values that Banair have already entered for you will be fine. When the test is completed the results will be stored in an Access database and you can print out a test certificate. Now, simply put the product in the jig and place the probe over the switch to be tested. How long will the test take? The typical membrane specification calls for 1 million operations. If you set the system for 4 cycles per second then this would take just under 3 days.(4 cycles x 60 seconds x 60 minutes x 24 hours x 3 days = 1,036,800 cycles) You may need to adjust the cycle time depending on your requirements. The test time for 1 C/S would be just under 12 days. (Testing Specification ASTM F1578-01, ASTM F1578-07, ASTM F1578-96) What else do I need to get started? 1. A PC or laptop running Windows and a free USB socket. Microsoft Office will help you analyse and print your results but you can perform standard tests without this. 2. An air supply (Max 6 bar). 3. A product to test. Everything else is included for you to start testing straight away. Why is it called "Simon"? We like to give our equipment names as you might have noticed, why do we do this, well, as you will find out, they will soon become part of your team, just like a new work colleague. Features Bullet point Adjustable force between 200g and 3500g Bullet point Vary speed up to 10 cycles per second depending on configuration Bullet point Measure switch resistance each cycle 1 to 10,000 Ohms Bullet point Measure switch bounce in mS Bullet point Log results to an Access database Bullet point Print a certificate in your own format, using a Word template Bullet point Stop on failure or choose to continue with a warning screen Bullet point Pause at any time to check physical condition of switch, then resume. Simon will still remember your results Bullet point Display activation's per hour Bullet point Display the total time elapsed, adjusted for pause time Bullet point Save part number, serial number and customer details to a database and a certificate Bullet point Display the change in contact resistance Bullet point Adjustable test current Bullet point Adjustable probe height 0 to 150 mm Bullet point Adjustable probe position 0 to 120 mm range Bullet point Fully adjustable membrane position using two retractable clamps Bullet point Standard rubber probe 15 mm diameter Switch Bounce Testing Nearly all switches will generate some "bounce" when they are operated (switched). Every time they are operated, they will actually open and close their contacts several times before they settling down to their new position. For normal switches, this can last from as little as a fraction of a millisecond (ms), to as long as several milliseconds. Only very high quality switches generate little or no bounce. This switch bounce is not usually a problem if you are merely turning on something simple like a light, but if you are working with more sensitive things like logic devices, all these extra bounces can create havoc. An example of a problem would be that if every time you pressed a button to increment a counter you actually added several counts to the total.

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