All my testers read capacitance and other readings but then we work on oil burners so the added functions are ideal. As Murdoch says if you're only reading voltages, resistance and continuity etc you don't need to spend lots but it depends on what you're checking.
I bought a Fluke 116 about 10 yrs ago and it has been brilliant. Accurate, easy to use and covers almost everything you could need to check voltage, resistance, continuity , temp etc. As with all tools you can buy quality once, if you need too. Or just pick up a cheap equivalent if you don't think you will use it much.
I have an Extech which is pretty good, had minor issues with the battery compartment (think it was more to do with me) paid about £35 for it. I also have an Amprobe (fluke owned company) again it’s good, but what you might need to make sure of is the resistance value range - a certain baxi Spark generator coil resistance for instance has a resistance value of about 3M ohms, some multimeters like my Amprobe only go up to 2M ohms. Amprobe cost me £20 from eBay (new).
Anything waterproof and in a rubber case, oh and a big display with backlight is handy if you’re approaching 50 a little quicker than you’d like.
ive got a basic fluke, cost about £90 maybe 5 years ago.
Fluke 116.
It will test AC/DC Voltages, LoZ, Ohms, temp (although not accurate on mine it will serve a purpose), capacitance, mV, uA, continuity etc. A lot of the things a Heating/HVAC engineer will need it for are covered with that.
I use a few other things too but it depends on the work you do.
The 116 is not cheap but I think it is worth every penny. When it finally fails, I wouldn't hesitate to buy another the same.
I wouldn't use meters at that end of the market for any voltages above about 30V. If you're using test equipment on mains voltages it needs to be capable of withstanding surges, have good quality insulation, etc. all of which add to the cost. My advice is to stick to good quality brands from reliable sources.
Fluke T5 Multifunction Tester I have these not cheap but I was lucky as the ones I was given when at gas force were recalled and they gave me these ones a lot more expensive than my originals
I wouldn't use meters at that end of the market for any voltages above about 30V. If you're using test equipment on mains voltages it needs to be capable of withstanding surges, have good quality insulation, etc. all of which add to the cost. My advice is to stick to good quality brands from reliable sources.
I’ve always been told not to use cheap electrical equipment due to the lack/quality of safety features. I’ve wanted to do the Baxi course for quite a while but can’t get in.
From what you said you wanted to use it for a cheapo will do it. Some people will tell you you should buy a Mercedes or go on holiday to Monaco, but I’ve had plenty of fun in the back of a cortina in Cromer!