Tender Document - Pollution Control Board, Assam
Tender Document - Pollution Control Board, Assam
Tender Document - Pollution Control Board, Assam
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Item Code No.: 11Noise Level MeterMeasurement Range : Should cover 20 – 140 dBAError Indication : Over Range, under range and Low Battery.Accuracy/Class : Min. IEC 804 (BS 6698) Type-II or ANSI Type IIDisplay : Digital (Leq, SPL, L Max. and L Min.)Frequency Weighting : “A” type as per IS 15575 (Part I) 2005.* and CTime Weighting : Switchable to different time intervals i.e. 1/8 Sec., 1 Sec., 10Sec. etc. or Slow, Fast, Max.Temperature : 0° C to 50° CPower Supply : Battery System, Optional AC AdaptorMemory capacity : Sufficient memory to store atleast 8 hours dataCalibration : Automatic CalibrationComputer interface : Data logging system with RS 232 interfaceSoftware : The instrument is supplied with a Windows compatibleSoftware that allows data download to a PC and makes thedata available in an Excel Spreadsheet for analysis and reportpreparation.Accessories Required : 1. Calibrator2. Microphone3. Tripod stand4. Wind screen5. Batteries6. Carrying case or Kit7. Extension cable with pre amplifier21