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AdminAdmin- Posts : 19
Join date : 2018-07-31 
Electrical Test Instruments
Tue Aug 14, 2018 8:22 am
Electrical testers are devices designed to test the presence of, rather than measure, electrical conditions. These testers can range from very simple instruments that some signals are present in the circuits.
Electricity is, perhaps, the one common denominator in industrial, commercial and residential settings. It is the power that runs the motors, brightens rooms, controls the temperature, etc. Potentially, it is also very dangerous. Testers provide a quick and easy way to verify electrical conditions, often with just a simple audible or visual cue, prior to the repair or maintenance of a live circuit.
Test equipment is necessary for determining proper set-up, adjustment, operation, and maintenance of electrical systems and control panels.
The following is a general procedure for use of test equipment:
VOLTMETERS
For measuring differences of potential (voltage) between two points in an electrical circuit. The instrument is connected in parallel with the circuit being measured. Ranges vary from a few tenths volt to a few thousand volts. Instruments are capable of measuring both A.C. and D.C.
voltage.
OHMETERS
For measuring the electrical D.C. ohm resistance of a circuit, circuit part, or component.Calibrated from zero ohms to infinite. Measures either series or parallel resistance.
Electricity is, perhaps, the one common denominator in industrial, commercial and residential settings. It is the power that runs the motors, brightens rooms, controls the temperature, etc. Potentially, it is also very dangerous. Testers provide a quick and easy way to verify electrical conditions, often with just a simple audible or visual cue, prior to the repair or maintenance of a live circuit.
Test equipment is necessary for determining proper set-up, adjustment, operation, and maintenance of electrical systems and control panels.
The following is a general procedure for use of test equipment:
VOLTMETERS
For measuring differences of potential (voltage) between two points in an electrical circuit. The instrument is connected in parallel with the circuit being measured. Ranges vary from a few tenths volt to a few thousand volts. Instruments are capable of measuring both A.C. and D.C.
voltage.
OHMETERS
For measuring the electrical D.C. ohm resistance of a circuit, circuit part, or component.Calibrated from zero ohms to infinite. Measures either series or parallel resistance.
DRAVENGuru- Posts : 10
Join date : 2018-08-14
Re: Electrical Test Instruments
Tue Aug 14, 2018 10:23 am
There is this tester where Voltmeter and Ohm-meter are already present, why are these two still exist?
- DRAVENGuru
- Posts : 10
Join date : 2018-08-14
Re: Electrical Test Instruments
Tue Aug 14, 2018 10:24 am
Are there some more tester than these two?
igiboyMabangisxDGuru- Posts : 10
Join date : 2018-08-14
Re: Electrical Test Instruments
Tue Aug 14, 2018 1:57 pm
Which instrument is used to measure electricity?
- DRAVENGuru
- Posts : 10
Join date : 2018-08-14
Re: Electrical Test Instruments
Wed Aug 15, 2018 9:26 pm
igiboyMabangisxD wrote:Which instrument is used to measure electricity?
Electricity is very general, at least specify which type of electricity you're referring to?
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:36 pm
How would you know if your measuring tool is accurate?
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:38 pm
DRAVEN wrote:igiboyMabangisxD wrote:Which instrument is used to measure electricity?
Electricity is very general, at least specify which type of electricity you're referring to?
We have voltmeter for measuring the volts of electricity, we also have ohmmeter for the resistance and Ammeter for the current.
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:38 pm
DRAVEN wrote:Are there some more tester than these two?
Yes we also have ammeter for the current.
- jannaGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:45 pm
ekkoekko wrote:DRAVEN wrote:Are there some more tester than these two?
Yes we also have ammeter for the current.
and we also have multitester. These multitester is composed of ammeter, voltmeter and ohmmeter.
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:45 pm
janna wrote:ekkoekko wrote:DRAVEN wrote:Are there some more tester than these two?
Yes we also have ammeter for the current.
and we also have multitester. These multitester is composed of ammeter, voltmeter and ohmmeter.
Yeah! That's right.
- jannaGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:46 pm
What is the best thing to use the analog tester or the digital tester?
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:47 pm
janna wrote:What is the best thing to use the analog tester or the digital tester?
For me the digital tester because it gets the accurate value.
- jannaGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:48 pm
ekkoekko wrote:janna wrote:What is the best thing to use the analog tester or the digital tester?
For me the digital tester because it gets the accurate value.
so you're saying that analog tester is not accurate?
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:49 pm
janna wrote:ekkoekko wrote:janna wrote:What is the best thing to use the analog tester or the digital tester?
For me the digital tester because it gets the accurate value.
so you're saying that analog tester is not accurate?
I didn't say that. It just happen that digital tester for me is simple to use than the analog tester.
- jannaGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:49 pm
ekkoekko wrote:janna wrote:ekkoekko wrote:janna wrote:What is the best thing to use the analog tester or the digital tester?
For me the digital tester because it gets the accurate value.
so you're saying that analog tester is not accurate?
I didn't say that. It just happen that digital tester for me is simple to use than the analog tester.
Oh okay. Thank you
- jannaGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:52 pm
What is the most important electrical test tool?
- ekkoekkoGuru
- Posts : 10
Join date : 2018-08-16
Re: Electrical Test Instruments
Thu Aug 16, 2018 12:54 pm
janna wrote:What is the most important electrical test tool?
I guess its multitester
- Peter Shaquelle DalingGuru
- Posts : 10
Join date : 2018-08-17
Age : 24
Location : Dasmariñas, Cavite
Re: Electrical Test Instruments
Fri Aug 17, 2018 6:19 am
What is much better analog or digital?
- Peter Shaquelle DalingGuru
- Posts : 10
Join date : 2018-08-17
Age : 24
Location : Dasmariñas, Cavite
Re: Electrical Test Instruments
Fri Aug 17, 2018 6:20 am
Sometimes analog testes is not accurate. So it means that digital tester is much better?
- Peter Shaquelle DalingGuru
- Posts : 10
Join date : 2018-08-17
Age : 24
Location : Dasmariñas, Cavite
Re: Electrical Test Instruments
Fri Aug 17, 2018 6:22 am
Why is it only 2 equipments are in there? Which are also engineering electrical tools to measure voltage current and ohms.
dendenGuru- Posts : 10
Join date : 2018-08-19
Re: Electrical Test Instruments
Sun Aug 19, 2018 3:51 pm
there are 3 kinds of ohmmeter
1. Micro ohmmeter- it is used to measure extremely low resistance with high accuracy at particular test currents and is used for bonding contact application.
2. Mego ohmmeter- used to measure large resistance values.
3. Milli ohmmeter - is used t measure low resistance at high accuracy confirming the value of any electrical circuit.
1. Micro ohmmeter- it is used to measure extremely low resistance with high accuracy at particular test currents and is used for bonding contact application.
2. Mego ohmmeter- used to measure large resistance values.
3. Milli ohmmeter - is used t measure low resistance at high accuracy confirming the value of any electrical circuit.
- dendenGuru
- Posts : 10
Join date : 2018-08-19
Re: Electrical Test Instruments
Sun Aug 19, 2018 3:53 pm
Peter Shaquelle Daling wrote:What is much better analog or digital?
digital because it can get the value accurately than analog
- ruselleeeGuru
- Posts : 10
Join date : 2018-08-20
for high precision and more accurate reading
Mon Aug 20, 2018 12:25 pm
DRAVEN wrote:There is this tester where Voltmeter and Ohm-meter are already present, why are these two still exist?
- ruselleeeGuru
- Posts : 10
Join date : 2018-08-20
digital because ir requires a lot of time if you use analog tester for reading
Mon Aug 20, 2018 12:27 pm
denden wrote:Peter Shaquelle Daling wrote:What is much better analog or digital?
digital because it can get the value accurately than analog
- ruselleeeGuru
- Posts : 10
Join date : 2018-08-20
yes digital teter is a way better than analog one
Mon Aug 20, 2018 12:29 pm
Peter Shaquelle Daling wrote:Sometimes analog testes is not accurate. So it means that digital tester is much better?
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