Home About Us Products Customer Support News & Updates Downloads Contact Us Home > Product Range > Surface Applications Conveyor Control Monitoring & Protection Personnel Tracking / Asset Location & Zoning PC21 Control & Monitoring Solutions Data Communications & Scada Speech Communications Video Monitoring & Displays Power Supplies & Relays Products suitable for surface applications WiPan Conveyor Pullkey Monitoring In today’s quarrying industry, trained engineering resource is costly and faults on a conveyor pullkey system can result in extended and unnecessary stand time. By integrating WiPAN technology into the pullkey, the condition of the emergency stop system is transmitted wirelessly to the main control More Details Conveyor Stop / Emergency Stop Pull Key Systems The Minewatch HT 800 Series pull key range is designed for use in safety critical systems for controlling conveyors. Each key can therefore be used as either a Stop Switch or as a Category 2 or Category 3 Emergency Stop Switch as defined in BS EN ISO13849-I PLe. More Details Data Transmission Fibre optic transmission, FSK SAP Transmission, Instrinsucally Safe Ethernet Switch & Media Converter and Modbus Communications. More Details Pull Wire, Pull Cable and Accessories Effective for emergency situations and routine operations alike, Davis Derby's MineWATCH range of pull cable / pull wire operated safety switches are the ideal stopping devices for all conveyor systems. More Details Belt Alignment Switch This robust belt alignment switch unit is designed to give consistent and reliable operation when used in the most demanding of environments such as the conditions encountered in mines and quarries. More Details Blocked Chute Probe The Blocked Chute Probe is a versatile sensing device with a wide range of applications in mining and the materials and bulk handling industries. More Details Heavy Duty Back Spillage Detector The Heavy Duty Back Spillage Detector is designed to prevent spillage of conveyed mineral around transfer points and chutes. More Details Belt Alignment and Tear Device The Belt Alignment and Tear unit is deemed intrinsically safe to the ATEX standard. The complete transducer comprises of two identical units, one positioned each side of the conveyor to be protected. More Details Digital Sequence and Slip Roller Davis Derby MineWATCH technicians designed the Digital Belt Sequence and Slip Roller to make conveyor sequencing easy and detect belt slip. As well as preventing spillages from your conveyor system, this module can also give early warning of potential belt fires. More Details MineWATCH PS21-D Flameproof/ Dual Intrinsically Safe (2x12Vdc @ 500mA each) Power Supply with 120/240v ac input (other input voltages available). More Details MineWATCH PS21-RD As per MINEWATCH PS21-D but including 6 Intrinsically Safe to Flameproof Interposing Relays for the control of mining flameproof switchgear. More Details MineWATCH PS21-BD As per MineWatch PS21-D but including an 8A/Hr battery packs to create an uninterruptible Power Supply Unit. More Details MineWATCH PS21 BD/B As MINEWATCH PS21-D but including an 8A/Hr battery pack to create an Uninterruptible Power Supply Unit with the addition of analogue output monitoring capabilities of the battery unit. More Details ABOUT US People Policies Terms & Conditions / Privacy Careers Information CONTACT US Davis Derby Ltd, Eagle Park, Alfreton Road, Derby. DE21 4BF How to find us Phone: +44 (0)1332 227500 Email: info@davisderby.com