calibration of lab equipment at coal testing lab, edc siding, wcl pench area.-1.01 digital temperature controller of muffle furnace ( 1000 c ) 1.02 digital temperature controller of moisture oven ( 200 c ) 1.03 digital temperature controller of moisture oven ( 200 c ) 1.04 digital temperature controller of incubator ( 0 - 40 c ) 1.05 digital temperature & humidity indicator ( 15 to 50 c & 40 - 8 0 % ) 1.06 digital weighing balance ( 160 gm ) 1.07 digital weighing balance ( 200 gm ) 1.08 digital weighing balance ( 10 kg ) 1.09 weight box ( 1 mg to 100 gm ) 1.1 hydrometer ( 1.000 to 2.000 sp. gr ) ( lc: 0.01 sp. gr ) 1.11 hydrometer ( 0.7000 to 1.000 gm / ml ) ( lc: 0.005 gm / ml ) 1.12 glass thermometer ( 10 to 110 c ) 1.13 glass thermometer ( 0 to 250 c ) 1.14 burette ( 0 - 50 ml ) 1.15 pipette ( 10 ml ) 1.16 dial hygrometer ( 0 - 100 % ) 1.17 pressure gauge ( 0 - 70 kg / cm2 ) 1.18 digiatal temperature controller of water handling system ( temperature 25 c ) 1.19 test seive ( brass ) ( 212 micron ) 1.2 thermocouple ( k type sensor ) ( 0 - 1200 c ) 1.21 bomb calorimeter temp sensor ( 40 c ) 1.22 stop watch ( 24 hrs )