MS6503 MS6503 Intelligent humidity and temperature data logger, software, back light, R $299.00 | OIS70E_PLUS OIS70EPLUS operator interface 7" color touch screen with I/O $850.00 | GDO633P*S GDO633P*S (GDO633P-S) DC Output Module, 16 points, 5 to 24 Vdc, 1 A/point, Sourc $220.00 |