Tender For power electronics lab equipments - power elctronics lab equipments, line synchronized ramp trigger circuit using ujt with ac load to measure firing angles kitujt relaxation oscillator circuit, provision to add dc pedestal voltage to the capacitor in the circuit, triggering circuit fo r2scrs using pulse transformer, measure the phase angle of load, 24v lamp ac load using 2scrs, builtin power supply, scr commutation circuit kit" provision to charge the capacitance which will be used for voltage commutation, built in power supplies , class a,b commutation circuits", single phase to single phase cyclo converter kit"cyclo converter with divide by 2 supply frequency and divide by 3 frequency, +ve and ve polarity zero crossing detectors using optocouplers, decade counters to generate required control signals, isolated 4nos. of dc power supplies to trigger the scrs, triggering circuits to trigger the power scrs, power circuit using center tapped transformer, power circuit using 4scrs and12v-0-12v power transformer and resistive load, built in power supply", pwm based step down dc chopper using mosfet/igbt kit"pwm ic controller-based step down chopper, output voltage vs dutycycle, load characteristics without feedback, load characteristics with feedback, output voltage vs input voltage with feedback, built in power supply", single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kitsinglepulse 50 hz clock generation, variable duty cycle generation on both half cycles, h bridge power circuit using 4nos. of mosfets, 4nos. of individual power supply for gate trigger circuit, built in power supply, on / off control of lamp using solid state relay kit"input switch to control the lamp on/off using solid state relay, one ssr module to test with lamp load, builtin power supplies", speed control of ac motor using vfd drive"adjustable v/f curve and vector control, keypad and external control of ac motor, builtin modbus (rs-485) pc communication ,suitable for 2hp motor", lamp dimmer circuit using triac kit"variable ac power circuit using triac, diac circuit to trigger thetriac in both half cycles, provision to vary the charging time of capacitor, (changing the phase angle also)for the diac"
Tender For corrigendum : procurement of lab instruments for chemical lab of ogcd, dtps, htps, kasimpur - sension5 portable conductivity meter specification range:#conductivity s/cm 0 to 19.99; 200 to 1999#conductivity ms/cm 2 to 19.99; 20 to 199.9#tds: 0 to 50,000 mg/l as nacl salinity: 0 to 42 g/l (ppt)#temperature: -10.0 to 105.0 c#resolution:#conductivity 0.01; 1.0#conductivity ms/cm 0.01; 0.1#tds: 0 .00-199.9 mg/l 0.1mg/l 2 00-1999 mg/l 1 mg/l 2 .00 -19.99 g/l 0.01 g/l 2 0-50 g/l 0.1g/l #salinity: 0.1 g/l (ppt)#temperature: 0.1 c#accuracy:#conductivity: 0.5% in the first 3 ranges, 1% at highest range #td of full scale #salinity: 0.1 ppt (-2 to 35 c) #temperature: 0.1 c# , make-hach, ph meter probe (ph meter sension ph3) cat no-lzw5010t.92.0002 make hachdetails in photograph enclosed in tender document, manual sieves shaker (with sieves set - mesh size-50,+100,+200) any standard make details in photograph enclosed in tender document, centrifugal machine for oil testing, any standard maketube capacity:no.12-24:size 15 mlshould have a digital timerbody should be made of strong fabricated & corrosion resistant steel.control panel- for start/stop switch, dynamic brakes, step less speed regulator with zero start switch & speed indicator with timer and protective fuses.door interlock.maintenance free brushless drive motor with exact speed preselection and display. speed range 100 to3000 rpm and above, accuracy 1 rpm. details in photograph enclosed in tender document, orset appratus (complete set), any standard make details in photograph enclosed in tender document, ph 2700 ph meter specification #ph range -2.000 to 20.000 ph #resolution 0.1 / 0.01 / 0.001 ph #accuracy 0.002 ph + 1 lsd #cal. points up to 6 preset or 5 custom #buffer sets usa, nist, din, user 1, user 2, custom #or range 2000.0 mv #rel. mv range 2000.0 mv on 0.1 mv# accuracy 0.2 mv #temperature,range (meter) 0.0 to 100.0 c / 32.0 to 212.0 f #resolution 0.1 c / 0.1 f #accuracy 0.3 c / 0.5 f #compensation atc / mtc #power requirements 9 v dc adapter, 1.3 a (100/240 vac, smps)# make- eutech