Does anyone have any experience with the cheap RTD transmitters? such as:
http://www.ebay.com/itm/New-RTD-PT1...ltDomain_0&hash=item3376d5eb95#ht_1884wt_1270
http://www.ebay.com/itm/RTD-PT100-T...ltDomain_0&hash=item3a6b1091e1#ht_1175wt_1037
http://www.ebay.com/itm/New-RTD-PT1...ltDomain_0&hash=item3376d5eb95#ht_1884wt_1270
http://www.ebay.com/itm/RTD-PT100-T...ltDomain_0&hash=item3a6b1091e1#ht_1175wt_1037