MS8209 MS8209 5 in 1 Meter: Sound Level, Brightness (Lux), Thermometer, Humidity Meter, $79.95 | GDA672**S GDA672**S (GDA672--S) Analog Output Module, 2 channels, +/-10V output, 12-bit $970.00 | GDA204**S GDA204**S ( GDA204--S ) 4 Analog Outputs $355.00 |
S-USB-2COM S-USB-2COM Dual USB - to - Serial adapter $47.95 | GDD288P*S GDD288P*S ( GDD288P-S ) with 8 PNP Outputs $170.00 |