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multimeter
A multimeter is a measuring instrument that can measure multiple electrical properties. A typical multimeter can measure voltage, resistance, and current, in which case it is also known as a volt-ohm-milliammeter (VOM), as the unit is equipped with voltmeter, ammeter, and ohmmeter functionality. Some feature the measurement of additional properties such as temperature and volume.
Analog multimeters use a microammeter with a moving pointer to display readings. Digital multimeters (DMM, DVOM) have numeric displays and have made analog multimeters obsolete as they are cheaper, more precise, and more physically robust than analog multimeters.
Multimeters vary in size, features, and price. They can be portable handheld devices or highly-precise bench instruments. Cheap multimeters can cost under US$10, while laboratory-grade models with certified calibration can cost over US$5,000.
Hi guys, been to customers and the hot water has been getting scalding hot and then once the boiler reaches its temperature the boiler kicks out. And you have to wait for the boiler to cool down before you get any response from it (roughly 5-10mins)
The high limit stat must be working fine as...
Koogatubac
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baxi
boiler
however
multimeter
overheating
resistance
right
when checking ch/dhw thermistors on a boiler breakdown what do you lads use to take the tempreture of the pipe work. went on a worcester breakdown course recently and the engineer/trainer there had a multimeter looking device with a piece of cable coming out from it that wrapped round the pipe...
just been on the fluke website as im looking at getting a new multimeter, from lookinhg through the forums it seems the fluke 116 is the one to go for, they dont list that on there website now, i can get elswere but has anyone seen the fluke 233? looks quite handy. Dont know if thats the updated...
Hello, ive recently passed my core gas and ACS and level 3 apprentiship in plumbing/heating, i have recently applied for a job doing boiler servicing with Southern and Scottish Electricity(SSE) i was told by an operations manager that it would be a good idea to brush up on the electrical side of...
Lee King
Thread
circuit
earth
engineers
experienced
heating
multimeter
question
short
should
Dear Friends
I need to buy a multi meter.
I have never used or even seen one!
Can you advise me please?
ebay has a variety. £2 - £22
any ideas on this?
DIGITAL LCD MULTIMETER VOLTMETER AMMETER VOLT OHM METER | eBay
Thanks
Best regards as always
Rocket
anyone recommend a good multimeter ?? my cheap one is knackered so want to get a decent one, would like a simple one to use which has one setting for ohms and buzzer for continuity and preferably a magnet to be able to stick it on boiler casing.
Just started using a multimeter on doing polarity and voltage checks as initial checks but looking to venture into testing parts on breakdowns such as fans, gas valves etc does anyone know a good website or book to refer to or any advice would be appreciated.
Just a point does it matter which...
i'm 36 ,a plumber since 17,did 5 day oftec boiler servicing course about 5 years ago,wasn't impressed,what i'm looking for is a professional fault finding manual,specifically for servicing and fixing,i know the basics and have installed new boilers frequently,infact alot of guys out there...
Can anyone help had 2 engineers out now and they still can not pin point my boiler problem i have a sabre he 35 red light on fan running pump running but no spark engineer has cleaned fan and venturi tube and silicone air tubes fitted new air presure switch still not working the other engineer...
Hi
Can anyone suggest a simple guide book or web site describing how to test boiler components with a multimeter.
I recently checked a ferroli boiler when the fan was not proving,i called there tec detp and they suggested i tested the fans resistance which should have been 76 ohms.
They said...
gregg1908
Thread
boiler
course
meter
multimeter
reading
should
testing
Hi,
I am looking to get a multimeter and a cheap one to start with.
Is it a good idea to get a cheap version as long as it does what it says, i have never used one before so i would appreciate your advice on a decent one. I checked one of these sites on the right hand side of this page and saw...
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