Is my test fit for purpose please experts?

oharaf · 18 Jan 2007

I have just brought a tester from HONG KONG via ebay, the tester does readings from 200ohms to 2000Mohms, is this sufficient for carrying out testing, or should I have one that reads on the 20Ohm scale?

I paid next to nothing for it so i'm not to worried

EddieCurrent · 18 Jan 2007

Hi oharaf,

Please wait for the experts, but maybe when testing the Ze of a TT, etc, 'system' the meter might not be capable of giving you the value, ???
To be honest, not sure about this.
Cheers.

RobFurn · 18 Jan 2007

What testing are you trying to do Oharaf

Whats the make and model of your tester - sound like a multimeter

rlc · 18 Jan 2007

Difficult to know what its capabilities without knowing more details, make model etc....

What measurements do you want to do with this equipment: 16th edition? Did it come with a calibration certificate? If I read OP correctly: the equipment is not capable of measuring <200ohms? Does it comply with EN-61557.

~rlc

oharaf · 18 Jan 2007

Rob it is a multimeter, I want it for college mainly as they only give out 3 on a day and I spend alot of time waiting about, it simply to do Con, Ins and Pol testing.

It is an XIOLE XL830L

RobFurn · 18 Jan 2007

Not heard of that brand, also if the resistance range is from 200 to 2M then its no good for continuity unless its got a beeper continuity test function that goes from 0 up. and If its a multimeter as you say it wont test Instulation resistance.
To be honest if your training its better to use a proper 16th edition tester provided by the college as they will be calibrated and have all the funcitons you need for carrying our a PIR.

oharaf · 18 Jan 2007

cheers, can you reccommend a meter and how much would it cost me?

RobFurn · 18 Jan 2007

Depends if you want seperates or all in one. I use a Fluke 1653 all in one but they are expensive £650+
Megger are a good meter, and so are Martindale

try the following they provide a good serveice and calibration http://www.instrotech.com/

Or try the wholesalers William Wilsons or CEF. Theres plenty of choice out there.

rlc · 18 Jan 2007

https://isswww.co.uk/productdetail....ft1552glabel&gclid=COHN57Ci6okCFT4GQgod31dwKA

~rlc

Spark123 · 18 Jan 2007

oharaf said:
I have just brought a tester from HONG KONG via ebay, the tester does readings from 200ohms to 2000Mohms, is this sufficient for carrying out testing, or should I have one that reads on the 20Ohm scale?

I paid next to nothing for it so i'm not to worried

Can you post a link to the product so we can see what it is you have brought? As an educated guess it sounds like an insulation resistance tester with a 200ohm continuity range.

oharaf · 18 Jan 2007

At this address you'll find it and here is the spec below

Thanks for your help

http://www.cubic-mall.com/bbe/MAS830L02.jpg

Model No.
XL830L

DC Voltage
200m/2V±0.5%, 20/200/600V±0.8%

AC Voltage
200/600V±1.5%

DC Current
200?/2m/20mA±1.0%, 200mA±2.0%, 10A±3.0%

Resistance
200/2K/20K/200K/2M?±1.0%

hFE
0~1000

Count display
1999

Operating Temperature
-0C to 40C (relative humidity <85%)

Storage Temperature
-10C to 50C (relative humidity <85%)

Guaranteed precision Temperature
23+_5C (relative humidity <85%)

Automatic display of negative polarity
"_" Low Battery Indication: - /+ display

Continuity beeper
Yes

Full overload protection
Yes

Backlight
Yes

Data hold
Yes

Size
138 x 69 x 31mm

Fuse protection
F-200mA/250V (O5x20MM)

Battery
9V (Including)

Spark123 · 18 Jan 2007

The link doesn't work, says forbidden.
From the spec it is just a multimeter, it is suitable for doing simple tasks like measuring voltage and resistance. I don't know how good the test leads are, I certainly wouldn't advise you to use it for current. It isn't an installation tester which people were posting about above.

bernardgreen · 18 Jan 2007

Resistance
200/2K/20K/200K/2M?±1.0%

means 5 ranges of resistance

0 to 200,
0 to 2000
0 to 20,000
0 to 200,000
0 to 2,000,000 2M

The 0 to 200 will not provide accurate measurement of the 0.1 to 5 ohm needed for loop measurement as those values are similar to the zero error of the device

The 2 MegOhm range is not much use for proper testing of insulation resistance because it is putting less than 9 volts onto the circuit on test.

oharaf · 18 Jan 2007

Thanks for that so really it is not upto the job, any reccommendations of what to buy?

securespark · 18 Jan 2007

RobFurn said:
or CEF.

But only if you enjoy paying them commission which they then spend on luxury items like personalised number plates.

I once bought 10 x 10mm M4 brass panhead screws, and they wanted 40p for each screw...

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Is my test fit for purpose please experts?

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