Supply Of Procurement Of Supply Installation And Commissioning Procurement Of Supply Installation And Commissioning Supply Installation And Commissioning Of 42 Inch Diameter Gps Based Single Faced Drum Clock. Specification Given Below:- Structure Of Clock Drum & Dial:- The Drum Shall Be Made In Galvanized Iron Frame Work In 36 Inch And Width About 6 Inch. The Dial Is Made In 6 Mm Thickness Cast Acrylic Milky White Imported Material ( Translucent For Night View ) Sheet 3 Feet 6 Inch Diameter Skeleton Design And Indices Are Made In Vinyl Sticker Black Colour Are Paste On The Dial. Controller:- Stainless Steel Encased Microprocessor Based Gps Master Clock ( Controlling ) Units ( With Rtc Backup For Timing In Case Of Signal Getting Cut ) Works On 220-230V Ac+ / - 10% Stable Power Supply. Automatic Battery Backup By External 12 Volt ( Maintenance Free ) Battery More Than 12 Hours In Case Power Failure. The Clock Will Automatically Charge Battery And Sets The Time If Stopped Due To Lack Of Power Beyond Limit Of Battery Back Up When The Power Is Resumed.Gps Is The Most Accurate Time Code In The World And Gets It Timing From The Atomic Clocks In The Orbiting Satellites. Slave Movement:- Double Stepper Motor ( Hybrid Motor For Hour And Minute Hand Drive Brass & Stainless Steel Movement ( Mechanisms ) , Encased In Stainless Steel Casing Will Drive The Hands. All The Components Are Made From Ss 304 & 316 Grade And Gun Metal. Clock Movements Will Automatically Reset Both The Hands In Every 12 Hours To The Gps Accuracy ( To The Minimise Maintenance & Maintain Accurate Time Always ) . They Are Fitted With Hybrid Double Stepper Motor Driven Movements ( Mechanisms ) And Are Provided With Double Hall Effect Sensor ( Hour And Minute Hand ) And Gps Time Counter. Clock Hands:- Clock Hands Hour And Minute Are Made Of Aluminium Sheet Metal With Dynamically Balanced And Polyurethane Painted To Black. Communication Cable:- 25 Feet Length Of Cable Will Be Given To Communicate Data From Controller To Slave Movement. Backlit For Night View:- Lighting Inside The Drum For The Backlighting Led Type Will Be Provided And With Self Operated By The Controller Time To Time. This Clock Should Also Be Capable To Be Controlled By Mobile Phone. => Limited