Products > Test Equipment
Just ordered Aneng MH13 Insulation Resistance Meter. Any comments on the spec
onlooker:
This is an impulsive buy due to its seemingly low price ($52 after coupons).
I have not used one before and know very little about such meters, but I had always wondered how much the insulation of my various cables aging over the years. Comments are welcome about the specs or price. I will show the stock picture from ali for now. I can show more pictures when I got it.
I also saw ANENG SZ20 (25000 Counts with AC+DCV). It seems to be a new model and could be a competitor to UNI-T 61E+ with only a little over half the price (~$46). I did not buy it for I got too many multimeters already.
Fungus:
--- Quote from: onlooker on January 16, 2023, 04:19:33 am ---I also saw ANENG SZ20 (25000 Counts with AC+DCV). It seems to be a new model and could be a competitor to UNI-T 61E+ with only a little over half the price (~$46). I did not buy it for I got too many multimeters already.
--- End quote ---
I was mentioned in the "New Aneng meters" thread a few days ago...
https://www.eevblog.com/forum/testgear/aneng-goes-crazy-with-new-meters/msg4629247/#msg4629247
It doesn't look very accurate for a 25000 count meter - only 0.2% DC accuracy(!) :--
themadhippy:
if it cant measure less than 1 meg ohm on the 500v range im out.
Tjuurko:
It can also be called "HYTAIS TS68" and "MESTEK IT200G".
There are models for 1KV: "MESTEK IT20G", "ANENG MH12" and "HYTAIS TS58".
onlooker:
Thanks for all comments. I just received the meter.
One of the attached pictures shows that the resolution at 500V is 10k. This is not reflected in the manual where under 500V, the measuring range is listed as 1MΩ to 20GΩ. I guess this 1MΩ is not meant for the resolution.
10K or not, I am not sure about the accuracy, though the number displayed is stable, repeatable and consistent with the trend:
6.1 MΩ at 1000V
6.65MΩ at 500V
6.9 MΩ at 250V
7.36MΩ at DMM
The other picture shows 19.12GΩ insulation resistance for a thin USB cable at 2500V. I also tested a few other wall power cables, all showed "OL", so I end up testing this USB cable.
Ok, just find out. It does not measure resistors below 1M. The meter showed all zeros and beeped constantly. At 2.2M, the meter showed 2.18M, then also beeped constantly.
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