So, the school wants me to price up a new "electronic trolley" (I have pointed out that we had one a few weeks ago, then the staff all did the electronics modules with 3 years groups at the same time and completely destroyed it)
One of the things I have been looking at is why we use the kit we...
I have a SATZ ZA101 School ammeter' which isn't working. When I changed the battery the display is coming up with four vertical lines or flashing 'E'. I can't find any info online about how to fix it so was wondering if anyone here could help?