SC-500 Linear output signal conditioner with resistive type humidity sensor. Non-condensing environments. Excitation voltage 150 mV RMS @ 3.8 KHz. Range of operation 20 - 90 % @70 °F 2%, temp. -4 to +140°F. Requires a 5 volt DC regulated power supply.

SC-600 Linear output signal conditioner with a waterproof resistive type humidity sensor. For condensing environments. Excitation voltage 150 mV @ 44 Hz. Range of operation 20 - 90 % @70°F 2%, temp. –4 to +140°F. Requires a 5 volt Dc regulated power supply.

SC-600E Resistive type humidity sensor with sealed electronics. Replaceable sensor. Linear output, 5 VDC regulated supply voltage required . Range of operation 20 - 90 % @70°F 2%, temp. –4 to +140°F. 3 foot shielded sensor cable. Used in ethylene oxide and other gas environments.