supply , installation and commissioning of vibrating monitor ( seismograph 4 channel ) training thereon , complete description to be read as per nit . , vibration monitor ( seismograph 4 channel ) detail technical specifiction of the items is as under : measurement capacity : the instrument should be capable of measuring :- ( 1 ) the vibraton measuring 4 channel system shall be compact , ultra-light weight , preferably with touch screen and handy to operate for the measurement of vibration in respect of peak particle velocity in various directions , frequency and air ( noise ) over pressure due to blasting , construction activities etc . 2 ) . it must have standard facility for one microphone assembly with minimum 2 meter cable and one triaxial geophone assembly with minimum 5 meter cable . blast vibration and air over pressure monitoring system with following accessories and specifications . 3 ) base unit / data collector unit specification * memory minimum 4 , 000 event at 2048 samples rate on each channel ( 1 second full waveform events with zero dead time ) * support full waveform , histogram , histogram combined with waveform and manual record mode * instrument should have infiled display facility for peak particle velocity , frequency , displacment , air over pressure level , acceleration , peak vector sum . * short cut leon s : fast , one touch acessess to the most commonly used features , touch screen facility with virtual key pad for entry site details . * facility for manual entry of gps waypoints ( lat/long coordinates ) values and plotting these values and distance on reports . * integrated keypad: large 10-key interface with dedicated function keys . * small enough to be hand - held low weight unit weight below 800 gms ( high flexible portability ) * facility to delete false event selectively . * thumb drive for copying date in the field . 4 . software : vibration data analysis modular software with free upgrade , soft ware should have compliance graphs of all the major country including dgms ( india standard ) , cimr ( formerly cmri ) , usbm , etc . 5 . india calibration certificate copy and traceability of india calibrator must be submitted with supply . 6 . technical brochure/ literature or any other relative document shold be submitted along with supply ,