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Department Of Atomic Energy Tender

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High Temperature Accelerometers, Inline Charge Converters And Cables

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ANNEXURE TO TENDER NO. DPS/MRPU/1/2/744/PT 1. Description of the ITEM: High Temperature Accelerometers High temperature charge output accelerometers and inline charge amplifiers along with suitable low noise cables are required forvibrationstudies in PFBR pumps. 2. Detailed SPECIFICATIONS and Quantity: i) Accelerometer (Charge Output) : - 16Nos Sensor Type : UHT-12 crystal, shear mode Sensitivity : 5pC/g or better Mounted resonance frequency : ≥14kHz Operating frequency range (±5%) :1Hz to 3 kHz Operating temperature : +6250C or higher Humidity : Hermetically sealed Insulationresistance at 6250C : >103 Ohm Output Capacitance : ≤1000 pF Casing material :Inconel Vibration limit (sinusoidal) : ±1000 g peak or more Shock limit : ±2000 g peak or more Ground : Signal isolated from case Mounting : Through hole / standard thread Electrical connector type : Integral hardline cable Cable length : 10 ft or more Cable type : MI Hardline cable Cable termination : 10-32 Coaxial Jack or suitable to Inline charge Convertor Storage Case : Metallic case for each sensor Suitable isolation mounting studs with 10-32 threads both sides and scope input adaptor with 10-32 jack to BNC plug for the above sensors shall be supplied along with each sensors. ii)InlineCharge Convertor -16 Nos Sensitivity(± 2.5 %)(Charge Conversion) :1 mV/pC Input Range : ± 5000 pC Overrange : ± 8 V Low Frequency Response(-5 %) : ≤1 Hz High Frequency Response(-5 %) : ≥ 100 kHz Non-Linearity : ≤ 1.0 % FS Temperature Range(Operating) : room temperature to +120 °C or higher Maximum Shock : 5000 g pkor higher Maximum Vibration(5 to 2000 Hz) : 100 g pkor higher Excitation Voltage : 18 to 28 VDC Constant Current Excitation : 2 to 20 mA Output Voltage : ± 5.0 V Output Impedance : 100 ohmor better Output Bias Voltage : 9 to 13 VDC Maximum Input Voltage : 40 V Spectral Noise(1 Hz – 10KHz) : ≤10 µV/√Hz Capacitance(Feedback) : 1000 pFor better Housing Material : Stainless Steel Sealing : Epoxy Electrical Connector(Input) : 10-32 Coaxial Jack or suitable to sensor cable termination Electrical Connector(Output) : BNC Jack iii) Low noise coaxial cables -32 Nos Type : Low Noise, Coaxial Cable, Teflon Jacket Cable termination : 10-32 plug to 10-32 plug Cable Length : 10 m Cable operating temperature : +260 0C or higher Cable capacitance : 30pF/ft or better iv) General purpose coaxial cables -32 Nos Type : Coaxial Cable, FEP Jacket Cable termination : 10-32 coaxial plug to BNC plug Cable Length : 40 m Cable operating temperature : +200 0C or higher Cable capacitance : 29 pF/ft or better 3. Special Instructions, if any, to Purchase Section: (1) One Year Warranty from the date of acceptance of item should be given for the items supplied (2) Sensor calibration certificate of the manufacturer should be provided. (3) Authorization certificate from the manufacturer or OEM certificate should be enclosed by the supplier along with the tender without which offer will be rejected. (4) As calibration of sensor involves integrated testing of sensor, amplifier and cable, evaluation of quote will be done for full system. Hence no split PO is allowed. (5) The following parameters should be demonstrated during pre-dispatch inspection at a NABL certified laboratory as per ISO 16063 part 21 standard. (a) Sensitivity of sensor (b) Frequency response characterization of sensor from 5Hz to

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