Question about Fieldpiece HS35 Autoranging Stick Digital Multimeter

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In VAC range the meter dispays.19m, touch the leads to a known 120v supply and it warns of high voltage and won't display the voltage

It is a fieldpiece HS35

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Toshiba 50h60 tv has power but no picture


Although most HD TVs are 120 VAC devices, they actually have step-down power transmission sectios that take the line voltage from the wall outlet and turns it into the 13.8 VDC needed to run the HD TV. So, what does this have to do with the price of tea anywhere? The answer is that if you look at the output side of the power supply circuit, you will see the 13.8 VDC power signal appearing. That voltage, though, is there to tell you that power is available.

Now, take a look at the power supply circuit either in the owner's manual (if it is supplied) or on the lid of the power supply in the HD TV itself (warning, only open this device if you are familiar with and comfortable with working with voltages and a DC volt meter) and you will see at low-amperage circuit -- in the 1 to 5 amp range -- and a high-amperage circuit -- up to 20 amps. This is the important circuit because it drives the TV.

You will have to go into this device while it is on, so extra careful that you stay away from the AC input. You can look at the DC output because it is low-voltage.

Placing the probes of a volt-meter (in the appropriate range setting) across with the black (-) lead to ground and the red lead on the high-amp positive lead, measure the voltage. You should read 13.8 VDC or a similar reading. If you do not see any voltage on this terminal -- which I suspect the the case -- then you will have to replace the power supply. If you feel comfortable handling this repair, you can do it yourself. I would suggest taking it back to the store where you bought it and have them fix it -- to keep the warranty intacty -- or have them send it back to the manufacturer.

Nov 26, 2014 | Televison & Video

1 Answer

Press start and it starts up and stops straigh away


Dear Sir:

Thank by your request, I will try to help you inmediately:

You have electrical problem:

Very carefully with the procedure in this Step:

To use these instructions, you need to have a familiarity with electricity and a working knowledge of a voltage multimeter. With all of these tests, USE EXTREME CAUTION!!! Never let the voltage ground directly to any part of the treadmill or your leads ground while you
are testing voltage.

1)To begin, set your volt meter to AC volts. We are going to trace the power from the wall outlet through the
treadmill to see where it ends.

2)
With the treadmill unplugged, test the wall outlet. You should have from 115 to 125 VAC. Optimally, you will
have at least 120 VAC.

3)Follow the power leads from the power cord to the lead ends. With the treadmill unplugged, connect your
meter to the lead ends. Plug the treadmill in and check your reading. It should be the same as your reading
from the wall outlet.

4) Continue this process with the electrical system, following the leads, as they pass through, breakers, fuses,
and the like.

5)Where the power flow ends is where your problem is. Sometimes it will be in a bad connection, sometimes
it will be in a shorted breaker or blown fuse, at times it may be as simple as a safety switch not working
properly, or it may be a major problem with a component.
5) In some cases, components work in tandem (i.e.- a controller may need a signal from the console
computer to release voltage to the motor)
TESTING FUSES, BREAKERS, WIRING, AND SWITCHEST

1) One of the most common problems with power outages is problems with fuses, breakers, wiring, or switches.
2) If your treadmill is equipped with a safety switch, set your volt meter to continuity. Touch your test leads together to make sure you
are getting a closed circuit. With the treadmill unplugged, back the leads off the safety switch, usually near the upper display computer.
With the safety key out, test the switch. It should be open. Push the safety key in. Your circuit should be closed. If this tests ok, move to
the next step.
3) While testing for voltage, you can unplug your treadmill and test the fuses, breakers, and wiring harnesses. Sometimes a breaker may
have shorted open and not tripped. Test these components individually. You want a closed circuit on all of them

ercupa190_2.jpg
Measuring Scale for 220 Voltage ACercupa190_3.jpg

Instructions HOW TO READ VOLTAGE FOR AC IN DVOM

1.
    • 1
Plugthe black voltage probe into the voltmeter jack marked "COM."
    • 2
Plugthe red voltage probe into the voltmeter jack marked "V."
    • 3
Rotatethe range selector knob to the highest range setting, which is marked"VAC."
    • 4
Turnthe voltmeter on. Slide the power switch to the "ON" position.
    • 5
Touchthe probes to the device for which you measure the AC voltage. Use extremecaution. Ensure that the probes do not come into contact with anything but thesurface you are measuring.
    • 6
Readthe voltmeter's display. Turn the range selector knob to a lower range ifvoltage is less than the currently selected range
If you need further assistance, please contact me
Thank you in advance, sincerely. God bless you.
E.CUADRA MANAGUA, NICARAGUA. C.A

Sep 29, 2011 | Exercise & Fitness

1 Answer

2010 softail custom engine light keeps coming on and won;t charge


Your bike may differ a bit but this is how to check your charging system.


You need to check the charging system. To do this you need to fully charge the battery and you'll need a good Digital Volt Ohm Meter. Using the meter's function selector switch, set it to DC VOLTS with a range of 20 volts or greater. Connect the red meter lead to the positive battery post and the black meter lead to the negative battery post. Start the
engine and bring it to a high idle. After about a minute or so, your meter should read between 14.5 and 15.0 volts. Any lower than 14 volts, your battery will not be charged.

If you don't have the minimum voltage at the battery in the previous test, you need to check the
alternator to see if it's generating sufficient voltage. You'll have to follow the wires from your voltage regulator going to the lower left front of your engine until you come to a plug. Unplug the plug and look into the engine side of it. You'll see two metal contacts in the rubber plug. This is where you are going to test the voltage from your alternator. Since you'll be testing AC voltage, it makes no difference which meter lead goes into which contact, just one lead into each contact. Set your meter's function selector switch to AC VOLTS with a 50 volt or greater range. Start the engine and bring it to a high idle. Insert one meter lead into each of the metal contacts. Do not let the leads touch each other or the engine case or ground. Your meter should read at least 25 volts.

If you do not have the 25 volts from the alternator, your stator is bad and must be replaced. If you have 25 volts or more but not the 14 volt minimum at the battery, your voltage regulator is probably bad. Make sure you voltage regulator is properly grounded. Check the condition of the wire coming from the regulator going to the battery. This wire is usually larger in diameter than the other two going to the alternator.


Good Luck
Steve

Aug 18, 2011 | Harley Davidson Boulevard C109RT...

1 Answer

Engine light and battery light comes on about every other time i start it and te battery is not charging all the time


To check the charging system, first make sure you have a fully charged battery in the bike. You'll need a DVOM (digital volt ohm meter). Set the meter's function selector switch to DC VOLTS, 50 volt range. Connect the red meter lead to the positive battery post and the black meter lead to the negative post. Start the engine and bring it to a high idle. After a minute or so, your meter should read between 14.5 and 15.0 volts. If not, proceed to check the output voltage of the alternator.

Follow the two black wires from the voltage regulator down to the connection on the front of the engine. Unplug the connection and look down inside the engine side of the connector. You'll see two metal contacts. Make sure they are clean. This is where you're going to put your meter leads to read the output of the alternator. Since it is an AC voltage, it makes no difference which meter lead goes to which contact as long as they don't touch each other or the engine case. Put your meter's function switch to AC VOLTS, 50 volts or greater range. Start the engine and bring it to a high idle. Touch a meter lead to each of the metal contacts. You should read at least 30 Volts AC. If not, your alternator stator is likely bad. If you do read the 30 volts or more at the alternator but not the 14.5 to 15.0 volts at the battery, your voltage regulator is likely the problem. Make sure your voltage regulator has a good ground against the frame.

Good Luck
Steve

Jun 01, 2011 | 2007 Harley Davidson FXSTB Softail Night...

1 Answer

Replace alternator or drive making noise not charging battery


To check the charging system, first make sure you have a fully charged battery in the bike. You'll need a DVOM (digital volt ohm meter). Set the meter's function selector switch to DC VOLTS, 50 volt range. Connect the red meter lead to the positive battery post and the black meter lead to the negative post. Start the engine and bring it to a high idle. After a minute or so, your meter should read between 14.5 and 15.0 volts. If not, proceed to check the output voltage of the alternator.

Follow the two black wires from the voltage regulator down to the connection on the front of the engine. Unplug the connection and look down inside the engine side of the connector. You'll see two metal contacts. Make sure they are clean. This is where you're going to put your meter leads to read the output of the alternator. Since it is an AC voltage, it makes no difference which meter lead goes to which contact as long as they don't touch each other or the engine case. Put your meter's function switch to AC VOLTS, 50 volts or greater range. Start the engine and bring it to a high idle. Touch a meter lead to each of the metal contacts. You should read at least 30 Volts AC. If not, your alternator stator is likely bad. If you do read the 30 volts or more at the alternator but not the 14.5 to 15.0 volts at the battery, your voltage regulator is likely the problem. Make sure your voltage regulator has a good ground against the frame.

If your alternator is not charging and is making a noise down in the primary, make sure you check the magnets in the rotor. They have been known to come loose making a noise and damaging the stator.


Good Luck
Steve

Jun 01, 2011 | Harley Davidson DNA 50 Motorcycles

1 Answer

Battery went dead while on the road, voltage gauge plummeted, bike hesitating until came to a stop... battery 4 months old. After sitting for few minutes voltage gauge came up to about 8 but failed to...


yes, it could be the regulator or the stator in the alternator.

To check the regulator, fully charge your battery and reinstall it in the bike. Now connect a DVOM (digital volt ohm meter) "across" the battery by connecting the red meter lead to the positive post of the battery and the black meter lead to the negative post of the battery. Put the meter's function selector in DC VOLTS, 20 VOLT OR GREATER range. Start the engine and bring the engine to a high idle. The meter should read 14.5-15.0 volts. If not, you need to check the stator.

Find the stator plug where the regulator wires plug into the engine cases in the front of the engine. Unplug the wires and look into the engine side of the plug. there will be two contacts. this is where we'll be testing the output voltage. Put your meter's function selector switch in AC VOLTS, 50 VOLTS OR GREATER RANGE. Notice this time you're measuring AC VOLTAGE not DC voltage. Start the engine and bring it to a high idle. Stick one meter lead (either one) into on contact in the engine side of the plug and the other lead into the other contact. Do not allow the probes to touch each other or the side of the case. You should be reading at least 30 volts at a high idle rpm. If you are, then the regulator is bad. If you are not reading at least 30 volts, your stator is bad and must be replaced.

Good Luck
Steve

Jan 31, 2011 | 2000 Harley Davidson FLHTCUI Electra Glide...

1 Answer

Charging or electrical


First, charge your battery to full charge. then, using a digital volt ohm meter connect the red meter lead to the positive post and the black meter lead to the negative post, put the meter in the DC voltage, 20 volt or greater range. Start the engine and bring it to a high idle. You should read 14.5- 14.8 volts. If not, your charging system is not working.

Next we check you alternator. At the front of the engine case, find the connector where the voltage regulator connects to the alternator and unplug the connector. Look down into the connector on the case and you should see to metal connectors. When we get ready, we're going to insert one meter lead into each metal connector. It makes no difference which lead goes to which connector. Put your meter in AC voltage, 50 volts or greater range. Very important, make sure the meter is in AC voltage range. Now, start the bike and bring it to high idle. Insert the meter leads, one into each connector. Make sure you do not touch the engine cases. You should read 30 volts or greater. If so, you alternator stator is fine but your regulator is probably bad. If not, your alternator stator is probably bad. Once you determine where your problem is, repost and we'll tell you how to repair it you wish to do the job yourself.

Good Luck
Steve

Jun 24, 2010 | 2005 Harley Davidson FLHTCUI Electra Glide...

1 Answer

I have a volt meter and would like to use it to test some connections to figure out the heater does not light. Can you tell me where to place the leads?


First start at the line voltage coming into the unit. The LD model is supplied power from an external source. Once line (supply) voltage is checked, start at the transformer and trace all the circuitry. Meter set at 50 VAC should do it. The supply voltage will supply 120 VAC to the igniter. Here is a link to the PDF manual fro Laars/Jandy/Waterpik Lite2 heater

Jun 06, 2010 | Jandy Laars Lite2 Ld 400,000 Btu Heater

1 Answer

MULTIMETER USAGE


Hello,

Is this an Auto-ranging multimeter or does it have several range settings such as 2V, 20V, 200V, 750V, etc.?

If it is an auto-ranging, you will have 2 voltage selections: AC (alternating current) which will have a sine wave similar to this: ~, or DC (direct current) which will have a symbol similar to this: =. AC is mainly used to measure the voltage in your home or voltage to appliances, either 110V/120V or 220V/240V. DC is used to measure voltages such as in electronic assemblies, computers, etc.

You need to know whether you are measuring AC or DC to get an accurate reading. You also need to make sure you have the meter on a high enough range if it is not an auto-ranging meter. The best thing to do is start on a high range and work down, although most meters have an overload protection.

To measure current you must "open the circuit" and place the meter leads in the circuit. This should only be done if you are very familiar using the meter. Current is measured in Amps (A), milliamps (mA), or microamps (uA). There is little use for the common person to measure current.

Not sure what you are going to use it for. Computer power supply, perhaps?

There are some tutorials on youtube that may be beneficial. Here's one:


Here is another: http://www.youtube.com/watch?v=rivoVzxwNtI

You can do a search once there for others. Just insert "multimeter" in the Search box.

Not sure if I have answered your request sufficiently, but if you have more questions, just use the Comment button.



Jun 13, 2009 | Electric Portable Multimeter 3½ Digital...

1 Answer

04 zx6r code 15


some info from the manual (636) fault code 15. hope it helps??

Atmo- Absolute Atmospheric If the atmospheric pressure sensor system fails
15
spheric Pressure (the signal is out of the usable range, wiring short
Pressure Pa =100 mmHg - 900 or open), the ECU sets Pa at 760 mmHg (the
Sensor mmHg standard atmospheric pressure).

Atmospheric Pressure Sensor (Service Code 15)
Input Voltage Inspection
NOTE
o Be sure the battery is fully charged.
o The inspection is the same as "Input Voltage Inspection"
of the throttle sensor and the inlet air pressure sensor.
• Turn the ignition switch OFF.
• Remove the ECU (see this chapter). Do not disconnect
the ECU connectors.
• Connect a digital voltmeter [A] to the connector (8), with
the needle adapter set.
Special Tool· Needle Adapter Set: 57001-1457
Atmospheric Pressure Sensor Input Voltage
Connections to ECU
Meter (+) --+ BL lead (terminal 1)
Meter (-) --+ BRISK lead (terminal 14)
• Measure the input voltage with the engine stopped, and
with the connectors joined.
• Turn the ignition switch ON.
Input Voltage at ECU
Standard: 4.75 - 5.25 V DC
*If the reading of input voltage is less than the standard
range, check the ECU for its ground, and power supply
(see this chapter). If the ground and power supply are
good, replace the ECU.
*If the reading is within the standard range, remove the
seat cover, and check the input voltage again at the sensor
connector. *Remove the air cleaner housing (see Air Cleaner Housing
Removal).
• Disconnect the atmospheric pressure sensor connector
and connect the harness adapter [AJ between the main
harness connector and pressure sensor connector.
• Connect a digital meter to the harness adapter leads.
[8] Atmospheric Pressure Sensor
Special Tool - Throttle Sensor Harness Adapter #2:
57001-1408
Atmospheric Pressure Sensor Input Voltage
Connections to Sensor
Meter (+) -l' BL lead [C]
Meter (-) -+ BRISK lead [OJ
• Measure the input voltage with the engine stopped, and
with the connector joined.
• Turn the ignition switch ON.
Input Voltage at Sensor Connector
Standard: 4.75 - 5.25 V DC
*If the reading is out of the standard range, check the
wiring (see wiring diagram in this section).
*11 the reading is good, the input voltage is normal. Check
the output voltage.
• Turn the ignition switch OFF.

Output Voltage Inspection =
• Measure the output voltage at the ECU in the same way °0
as input voltage inspection. Note the following. 8 .~ (j')
Digital Meter (AI ®~O ECU Connector IS]
Atmospheric Pressure Sensor Output Voltage ' 11 .
Meter (+) ~ GfW lead (terminal 4)

Meter (-) -+ BRiSK lead (termina114) tC·lInn, C ,
Output Voltage
Usable Range: 3.80 - 4.20 V DC at the standard
atmospheric pressure (101.32 kPa, 76
cmHg abs.)
NOTE
o The output voltage changes according to the local at·
mosphen'c pressure.
D The atmospheric sensor output voltage is based on
a nearly perfect vacuum in the smaJl chamber of the
sensor. So, the sensor indicates absolute atmospheric
pressure.
*If the output voltage is within the usable range, check the
ECU for its ground, and power supply (see this chapter). If
the ground and power supply are good, replace the ECU.
*If the output voltage is far out of the usable range, remove
the fuel tank, and check the output voltage at the sensor
connector [A] (when the wiring is open, the output voltage
is about 1.8 V).
• Connect a digital meter [A] to the harness adapter leads.
[8) Atmospheric Pressure Sensor
Special Tool· Throttle Sensor Harness Adapter #2:
57001-1408
Atmospheric Pressure Sensor Output Voltage
Connections to Sensor
Meter (+) -+ GfW lead [C]
Meter (-) -+ BRlBK lead [OJ
Output Voltage at Sensor
Usable Range: 3.80 - 4.20 V DC at the standard
atmospheric pressure (101.32 kPa, 76
cmHg abs)
*If the output voltage is normal, check the wiring for continuity
(see next diagram). *If the output voltage is out of the usable range, replace
the sensor.

Apr 17, 2009 | 2001 kawasaki ZX-6R Ninja

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