Field Instruments

General

Photo-resistive detectors for use with Landis & Staefa burner controls for the supervision of oil flames, especially in connection with burner controls that control and supervise small burners.

Uses

• The QRB... photo-resistive detectors supervise yellow-burning oil flames.

Specifications

• Make:  Siemens
• Model: QRB3
• Perm. ambient temperature: -20 °C ... +60 °C
• Degree of protection: IP 40
• Mounting position: optional