Tender For Air Quality Monitoring Equipment, Government College of Technology, Coimbatore-Tamil Nadu

Tender For Air Quality Monitoring Equipment - 2 i) Respirable dust PM 2.5 Sampler n1) Flow rate in m3 / min : 0 to 1 (or) Better n2) Flow rate (gases) in LPM : 0 to 2 (or) Better n3) Flow rate tolerance (%) : ± 2 or less n4) Blower (Nominal) maximum operation time: 30 hrs or Better n5) With a Provision for collection of more than 10-micron particles n6) With a gaseous attachment for the measurement of SOx, NOx, Cl2, H2S, O3 and NH3 n7) Number of impingers (Borosilicate) : 4 impingers (or) more n8) With a flow controller automatic shut off n9) Parameters and digital display- Flow rate, volumetric flow, barometric pressure, ambient temperature, filter temperature, date and time of sampling. n10) Output terminal : RS – 232 C for connection to PC, USB Flash dry n11) Noise level in dB : 35-55 (or) better n12) Temperature sensor low range : -10°C n13) Temperature sensor high range : 50°C to 55°C or Better n14) Housing : Aluminium n15) Sampling train : Borosilicate glass impingers n16) Sampling timing hours : >28 or better n17) Voltage supply: Nominal 220 V, single phase, 50Hz AC main supply n18) Adequate filter paper to be supplied with the machine 3 ii) Respirable dust PM 10 Sampler n1) Flow rate in m3 / min : 0 to 2 (or) better n2) Flow rate (gases) in LPM : 0 to 3 (or) better n3) Flow rate tolerance (%) : ± 2 or less n4) Blower (Nominal) maximum operation time : 24 hrs or better n5) With a Provision for collection of more than 10-micron particles n6) With a gaseous attachment for the measurement of SOx, NOx, H2S and NH3 n7) Number of impingers (Borosilicate) : 4 impingers (or) more n8) With a flow controller automatic shut off n9) Parameters and digital display- Flow rate n10) Noise level in dB : 35-55 (or) better n11) Housing : Aluminium n12) Sampling train : Borosilicate glass impingers n13) Sampling timing hours : 20-24 or better n14) Voltage supply : Nominal 220 V, single phase, 50Hz AC main supply n15) Adequate filter paper to be supplied with the machine 4 iii)Handy Sampler (Portable Air sampler) n1) Flow rate (gases) in LPM : 0 to 3 (or) better n2) Parameters to be measured : SOx, NOx, PM n3) With a digital display and timer n4) With a keypad and Rechargeable battery n5) Operation time with full charge in hours : 10 hours (or) better n6) No of glass Impingers (Borosilicate) : 2 or more n7) Filter paper dia : 25mm (or) better n8) Flow measurement accuracy(%) : ± 3 or better n9) Sampling train : Impinger in Ice Tray n10) Voltage supply : Both 220 V(+/-) 10 V AC, 50Hz with battery charger and rechargeable battery

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