ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.
-
Upload
amie-turner -
Category
Documents
-
view
219 -
download
0
Transcript of ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.
![Page 1: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/1.jpg)
ADT490Metering Techniques
![Page 2: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/2.jpg)
2
Introduction
‣ Alarms ALS390‣ Foundation for Troubleshooting
![Page 3: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/3.jpg)
3
Concept Review
‣ Current‣ Voltage
3
![Page 4: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/4.jpg)
4
Concept Review - Conductors
‣ Conductor resistance is American Wire Gage
4
![Page 5: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/5.jpg)
5
Concept Review - Resistance
‣ Depends Primarily on‣ Length‣ Cross-sectional area‣ Type of Material
‣ Conductors DO have Resistance
5
![Page 6: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/6.jpg)
6
Concept Review - Resistor
‣ Limit Current / Divide Voltage / Convert Energy‣ Ohms & Watts
6
![Page 7: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/7.jpg)
7
Series DC Circuits
‣ Current same / Voltage divided between Resistors
7
![Page 8: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/8.jpg)
8
Series DC Circuits - Resistance
8
![Page 9: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/9.jpg)
9
Kirchhoffs Voltage Law
9
-
![Page 10: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/10.jpg)
10
Voltage Dividers
10
![Page 11: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/11.jpg)
11
Parallel DC Circuits
‣ Voltage in each parallel branch is equal
11
![Page 12: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/12.jpg)
12
Kirchhoff’s Current Law
• For each Junction: Current in = Current out
12
![Page 13: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/13.jpg)
13
Resistance in Parallel
13
![Page 14: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/14.jpg)
14
Resistance in Parallel - Rules
‣RT always < value of smallest resistor
‣ If largest resistor many times smaller resistor‣RT approaches value of smallest resistor.
‣ If two resistors equal‣RT is half original resistance
14
![Page 15: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/15.jpg)
15
Current Dividers
15
![Page 16: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/16.jpg)
16
AC Voltage & Current
16
![Page 17: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/17.jpg)
17
AC Voltage & Current
17
Text
![Page 18: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/18.jpg)
18
Measuring with a Multimeter
18
![Page 19: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/19.jpg)
19
Using a Voltmeter
19
![Page 20: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/20.jpg)
20
Using a Voltmeter
20
![Page 21: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/21.jpg)
21
Using a Voltmeter
‣ Can use a voltmeter to check a fuse - SAFER
21
![Page 22: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/22.jpg)
22
AC Versus DC
‣ No reading‣ CHECK METER‣ Power on circuit
22
![Page 23: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/23.jpg)
23
AC Versus DC
23
![Page 24: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/24.jpg)
24
Using an Ammeter
24
![Page 25: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/25.jpg)
25
Using an Ammeter
25
![Page 26: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/26.jpg)
26
Using an Ammeter
‣ Fuse in circuit - 0 A fuse good, ? A fuse bac‣ Watch the meter raing
26
![Page 27: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/27.jpg)
27
Measuring Resistance
‣ Voltage impacts on reading - Nonsense Reading‣ Highest to Lowest - Lowest most accurate
27
![Page 28: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/28.jpg)
28
Ohmmeter Uses
‣ Check if EOL is Capacitor - Short then Charge‣ Determine device polarity
28
![Page 29: ADT490 Metering Techniques. 2 Introduction ‣ Alarms ALS390 ‣ Foundation for Troubleshooting.](https://reader035.fdocuments.us/reader035/viewer/2022062409/56649ed05503460f94bde33b/html5/thumbnails/29.jpg)
29
End of Presentation