SICK’s STR1 has monitored semiconductor outs and can be safely connected either individually or in series. It can be used for applications where a high level of manipulation protection is required. The STR1 is available with three codes: Universally coded, uniquely coded, and permanently coded sensors. Discuss your application with our SICK Product Specialist, Ken Holden. Kholden@HermitageAutomation.com or (800) 969-3030, ext 138.