How to Stop Action

Home What's New Integers Decimals Logs and Exponents Binary Numbers Purpose of Meter Math How to Stop Action Teacher Only 

Meter Math teaches students to read meters and determine system performance from readings.  Student must determine if a system failure indication is simply result of a bad meter or if a functional block has actually malfunctioned.  Each functional block  is defined by a transfer function ranging from simple arithmetic to logarithmic and exponential functions.  Digital troubleshooting of binary system is also included. 

Yellow Blocks perform a mathematical operation on analog input and generate an analog output.  The mathematical operations performed by the yellow block are referred to as the transfer function.




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I have placed a link below each  animation that allows you to view animation in your default media player. Viewing animations in media player enables you to stop animation motion by using slider control.  If your browser default media player does not allow you to display animation well, download animations in AVI format. Now, you unzip files and open with your choice of media player using right click method.


Download Meter Math Collection 1  Click Here!


 Directions for Meter Mathematics Collection 1


1. Meter Math1AIntegers
2. Meter Math1A Decimals
4. LogsandExponentsF1
- Meter Failure Only


Item 1 and 2 Directions:
For each switch position above determine if Block X2, Block +2, or meters (M1 thru M5) is defective. Also indicate for what switch position no fault exists.

Item 3 - No Faults. Demo only. Baseline for 4 and 5.

Item 4 Directions:
For each switch position above determine which of the meters (M1 thru M6) is defective. Also indicate for what switch position no fault exists.

Item 5 Directions: M6 meter is not defective
For each switch position above determine if Block Square, Block Log base 10,Block Divide by 2, Block 10 raised to input  or one of the meters (M1 thru M5) is defective. Also indicate for what switch position no fault exists.

Item 6, 7, and 8 Directions:
Test Assembly S/N 101. S/N 102, and S/N 103.  Observe reading at all eleven switch positions and localize failure to a block or a meter.  If the problem is an analog meter determine if the problem is sensitivity, zero offset, or linearity.  If digital meter is off try to localize failure to a bit.  Meter M4 displays Bits 0 thru Bit  3. Meter M5 displays Bit 0 to Bit 8.  Bit 0 (right bit) is LSB (Least Significant Bit).  Recommend that you see Binary Numbers for Baseline operation.






New!(Fall 2007) Get Bill's Free book Force Fields.  A E&M physics primer for electronics students. Download Zipped PDF file: Click Here! 


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Last modified: Friday October 03, 2008.