Procedure On How To Interpret Resistance Reading In An OhmmeterEddie Abug
An ohmmeter scale is nonlinear which means the value of one line or calibration may not be true to other lines. It is therefore proper to assign values to every line for proper and accurate interpretation
Procedure On How To Interpret Resistance Reading In An OhmmeterEddie Abug
An ohmmeter scale is nonlinear which means the value of one line or calibration may not be true to other lines. It is therefore proper to assign values to every line for proper and accurate interpretation
Need for protection
Nature and causes of faults
Types of faults
Fault current calculation using symmetrical components
Zones of protection
Primary and back up protection
Essential qualities of protection
Typical protection schemes.
Electrical wiring is commonly understood to be an electrical installation for operation by end users within a building, an engineered structure or a designated outdoor location.
Need for protection
Nature and causes of faults
Types of faults
Fault current calculation using symmetrical components
Zones of protection
Primary and back up protection
Essential qualities of protection
Typical protection schemes.
Electrical wiring is commonly understood to be an electrical installation for operation by end users within a building, an engineered structure or a designated outdoor location.
Vaneamiento del arroz en Colombia como modelo de integración entre diferentes secotres para dar soluciones a problemáticas de competitividad del sector.
Bernard Madoff perpetrated the largest financial crime in the history of the nation. I am one of those investors. The purpose of this three part presentation is to provide inforrmation about the role of government investigations of Madoff and to introduce a book written by 20 Madoff investors. This one-of-a-kind book tells the Madoff story from the victims. The presentation itself was prepared to give to a local community group that expressed interest in better understanding Madoff from one who has experienced it.
Hướng dẫn sử dụng Ampe kìm với 100A với đo nhiệt độ hồng ngoại và Bluetooth E...Tenmars Việt Nam
Hướng dẫn sử dụng Ampe kìm với 100A với đo nhiệt độ hồng ngoại và Bluetooth Extech EX845
http://extech.vn/vi/products/amper-k%C3%ACm-acdc
http://extech.vn/vi/products/amper-k%C3%ACm-acdc/extech-ex845---ampe-k%C3%ACm-ac-dc-1000a-v%E1%BB%9Bi-%C4%91o-nhi%E1%BB%87t-%C4%91%E1%BB%99-h%E1%BB%93ng-ngo%E1%BA%A1i-v%C3%A0-bluetooth
Analytical Measurements: Troubleshooting, Maintenance and the FutureISA Boston Section
Focuses on measurement of pH, ORP (Redox), and Conductivity and aspects related to inline measurement of these critical analytical parameters. Discussion topics include scientific theory, measurement challenges, proper troubleshooting, installation, key applications, and the future of analytical measurements
1. Electrical Component Testing
Diode Testing
1. Diode Test Mode
2. Press 2 Times
3. Flip or
4. Reads OL and ~ 0.5 V
Rectifier Testing
1. Diode Test Mode
2. Press 2 Times
3. Flip or
4. Displays OL & ~ 0.5 V
between all 4 diodes.
Solenoid Testing
1. Find Component Voltage
2. Connect
3. Continuity Setting
4. Press 1 Time
5. Test for Continuity (Beep)
Beep
Potentiometer Testing
1. Pot’s Rating
2. Ohms Test Mode
3. Test total ohms
4. Test w/ Wiper
5. Test both sides to confirm center.
MULTIMETER Quick Reference Guide on Back of Handout
Contactor needs to be energized to hear beep
Good diode
Forward bias = ~ 0.5 V
Reverse bias = OL
Opened Diode
OL in both directions
Shorted Diode
O V to 0.4 V drop in
both directions
2. MULTIMETER ROTARY SWITCH MULTIMETER DISPLAY FUNCTION BUTTON
Select the Ohms, Continuity,
Diode Switch.
Ohms = Press 0 Times
Continuity + = Press 1 Time
Diode = Press 2 Times
N/O & N/C Switches
1. Continuity Test
2. Press 1 Time
3. N/O and N/C
Relay Testing
1. Find Component Voltage
2. Continuity Test
3. Press 1 Time
4. Read Diagram
87a = N/C and 87 = N/O
Fuse and Breaker Testing
1. Continuity Test
2. Press 1 Time
3. Visually Inspect Fuses
4. For Continuity
Common
N/O
N/C
Electrical Component Testing
MULTIMETER Quick Reference Guide Below
Continuity +
Ohms Test
Analog Bar
Continuity Test
Used when you cannot
see your display. The
beep indicates a solid
connection. Using
Ohms is more exact.
Diode Test
Applies a dynamic
voltage to the diode
which tests more
accurately then using
the ohms setting.
Test Both
If the analog bar bounces
too much Potentiometer
is bad.
Ambient Circuit
Breaker
Fuses
Thermal Fuse
Circuit
Breakers
Thermal
Breaker
Contactor needs to be energized to hear beep on N/O Circuit
