Tender For Supply Of Following Materials At Ib Thermal Power Station, Banaharpali“Supply Of Testing Equipments 1 DC GROUND FAULT LOCATOR MAXIMUM VOLTAGE : 600 V ac/dc RESISTANCE MEASUREMENT RANGE: UPTO 400 KILOOHM Specifications: Transmitter: 1.Maximum system voltage : 600 V ac/dc 2.Source voltage : 0 to 50 Vrms (variable) 3.Source current : 0 to 150 mA (Load dependent) 4.Source frequency : 5.00 Hz 5.Display (volts) : Three-digit LCD +/-5% 6.Display (current) : Three-digit LCD +/-5% Operational: 1.Fault resistance measurement : 0 to 300 kW minimum (±10 ± 280 x RC) % ± 1LSD 2.Line capacitance measurement : 0.00 to 19.99 mF ±20% ± (.0027 / R) fd ±1LSD Receiver 1.Visual Alarm Range : Selectable 2.Audio Alarm Range : Selectable 3.Receiver Filter Range : Selectable 5.00Hz or 50Hz 4.Save: Saves Total Current, Resistive Current and Reactive Current 5.Recall: Recalls Total Current, Resistive Current and Reactive Current 6.Resistive Current Measurement : Range 0.00 mA to 150 mA 7.Battery life : 4 hours continuous use (minimum) Environmental 1.Standards : The equipment shall be conform to relevant per IEC / IEEE 2.Compatibility : Electromagnetic and Electrostatic Inference compatibility. General: 1.The instrument should be mains operated as well as battery operated. 2.The instrument should be manually balanced instrument and capable to identify, track and locate ground fault in ungrounded D.C. Battery System – on line up to maximum voltage of the system 600 V dc. 3.The instrument should be manually balanced instrument and capable to identify, track and locate ground fault in IT grounded systems – on line up to maximum voltage of the system 600 4.The instrument should be able to measure Fault resistance, Fault current, Leakage capacitance, Leakage current without any tuning. 5.The instrument should have capacitive pickup to identify the nature of the fault. Capacitive pickup compatible with receiver to segregate the resistive current and reactive current to identify the real resistive fault and avoid finding capacitive leakage due to long cables. 6.The instrument should be able to provide continuous output instead of pulse output. 7.The instrument should be able to measure the voltage and able to Identifies the side of the string with the fault. 8.The instrument should be provided with digital display of voltage and current Signal amplitudes. 9.The instrument should be operable in high electrical noise environment with the provision to adjust the strength of test current. 10.The measured reading should not be affected by any presence of a.c. ripple or d.c. current. 11.Receiver should have Adjustable alarm triggers (visual and audio alarm). Suggested Make: Megger, Taurus, Bender, SebaKMT 2 ROTATING MACHINE TESTER(RESISTANCE MEASUREMENT RANGE: 100 Ω up to 200 GΩ, Suitable for use on CAT III applications and supply voltages to 600 V. ) Insulation Resistance 1.Resistance range 100 Ω up to 150 GΩ. 2.Where a nonstandard test voltage is required, a variable range allows the exact test voltage to be selected from 15 V up to 900 V and is subject to the same stabilised output control. 3.Adjustable buzzer for minimum resistance limit (0.5 MΩ up to 900 MΩ) Continuity 1.Measurement : 0.01 Ω to 1 MΩ 2.Accuracy : ±5% ±2 digits (100 Ω - 500 kΩ) 3.Test current : 200 mA (–0 mA +20 mA) (0.01 Ω - 4 Ω) 4.Polarity: Single or Dual polarity 5.Selectable current limit : 20 mA and 150 mA Capacitance 1.Range : 0.1 nF - 1 mF 2.Accuracy : ±5.0% ±2 digits (1 nF - 10 μF) Voltmeter 1.Range: DC: 0 - 1000 V AC: 10 mV - 1000 V TRMS sinusoidal (20 Hz - 300 Hz) 2.Accuracy: DC: ± 2% ±2 digits (0 - 1000 V) AC: ± 2% ±2 digits (10 mV - 1000 V TRMS) 3.Frequency range 20 - 300 Hz (50 mV - 1000 V) 4.Frequency resolution 0.1 Hz 5.Frequency accuracy ±0.5% ±1 digit 6.Diode Test Diode test accuracy: ±2% ±2 digits 0.01 V to 3.00 V 7.Display range: 0.00 V to 3.00 V INDUCTANCE, CAPACITANCE AND RESISTANCE METER (LCR) The kit should perform inductive, capacitive and resistive test automatically. It should automatically determine the main element of the load whether it is inductive, capacitive or resistive and displays the result on screen. General Requirement: 1.The Equipment should have Guard terminal, to eliminate any surface leakage current. 2.The Equipment should have detachable test leads with interchangeable clips and probes for different applications. 3.The Equipment should have capacity to store test results. 4.The Equipment should Meet the international requirements of IEC61010 and IEC61557. SUGGESTED MAKE: MEGGER, FLUKE, HIOKI 3 AC/DC DIGITAL CLAMP METER( RESOLUTION : 0.01mA, Least affected by external stray magnetic field) SPECIFICATION: 1.IDEAL TO MEASURE SMALL DC CURRENT 2.EASY TO USE IN CROWDED CABLE AND OTHER TIGHT PLACES 3.MEASURES DC AND AC CURRENTS UP TO 20A WITH MAXIMUM RESOLUTION OF 1mA DC AND 0.1mA AC Ranges Accuracy DC current 2A 11.0%rdg + 2dgt 20A 11.5%rdg + 4dgt AC current Ranges Accuracy 200mA 1.0%rdg + 12dgt (50/60Hz) 11.5rdg 14dgt (40Hz 2kHz) 2A 1.5%rdg + 2dgt (50/60Hz) + 2.5%rdg * Sdgt (40Hz 2kHz) 20A 1 2.5%rdg 1 Sdgt (40Hz 2kHz) Suggested Make: Kyoritsu, Megger, Fluke, Hioki 2 NO 4 INSULATION TESTER RANGE : 600V, RESOLUTION : 0.1V MEASUREMENT RANGE : 0.01 MΩ to 10 GΩ, AUTO DISCHARGE : DISCHARGE TIME < 0.5SEC Insulation Specifications: 1.Measurement range : 0.01 MΩ to 10 GΩ 2.Test voltage : 50 V, 100 V, 250 V, 500 V, 1000 V 3.Test voltage accuracy : + 20%, - 0% 4.Short circuit current : 1 mA nominal 5.Auto discharge : Discharge time < 0.5 second for C = 1 μF or less 6.Live circuit indicator : Inhibit test if terminal voltage > 30 V prior to initialization of test 7.Maximum capacitive load : Operable with up to 1 μF load 8.Measure accuracy : 50V : ±(3% + 5) 100V : ±(3% + 5) 250V : ±(1.5% + 5) 500V : ±(1.5% + 5) 1000V : ±(1.5% + 5) to 2000 MΩ, ±(10% + 3) above 2000MΩ General Specifications: 1.Maximum voltage applied to any terminal: 600 V AC rms or DC 2.Storage temperature : -40°C to 60°C (-40°F to 140°F) 3.Vibration : Random, 2 g, 5-500 Hz per MIL-PRF-28800F, Class 2 instrument 4.Shock : 1 meter drop per IEC 61010-1 2nd Edition (1 meter drop test, six sides, oak floor) 5.Electromagnetic compatibility : In an RF field of 3 V/M, accuracy = specified accuracy (EN 61326-1:1997) Suggested Make: Fluke, Megger, Kyoritsu 5 LUX METER Specifications: Range : 20, 200, 2000, 20000, 200000 Lux Sampling rate: 2.5 times/second for the digital display Suggested Make: Fluke, Sonel, Amprobe 2 NO
