Something like this,
https://www.ebay.com.au/itm/Digital...825785?hash=item239db64df9:g:xUQAAOSwyMRcd13n
And maybe this to go with it(the 102 model),
https://www.ebay.com.au/itm/K-type-...var=423232733053&_trksid=p2060353.m1438.l2649
You can probably find the same units cheaper if you look hard enough.
https://www.ebay.com.au/itm/Digital...825785?hash=item239db64df9:g:xUQAAOSwyMRcd13n
And maybe this to go with it(the 102 model),
https://www.ebay.com.au/itm/K-type-...var=423232733053&_trksid=p2060353.m1438.l2649
You can probably find the same units cheaper if you look hard enough.