Feel free to contact us for additional information through ebay mail, or directly at: nrscientific@gmail.com or at (201) 592-1864. Semitool 840S Dual Stack SRD PSC 101 Controllers Dual Resistivity Monitors Model: SRD 840S-3-1-E-ML Various Rotors available at additional cost - please advise your rotor requirement. Note: sold without rotors.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.