Lata Envirotech Services

Kasna, Greater Noida, Uttar Pradesh

High Volume Sampler Model APM 417 APM 417 is the basic instruments used to monitor Ambient Air Quality. These are in widespread use all over the world to measure air pollution in industries areas, urban areas, on the shop floor, near monuments and other sensitive areas. In these samplers, air borne suspended particulate matter (SPM) is measured by passing air at high flow rate through a high efficiency filter paper which retains the particles and provision has been made for simultaneous sampling of gaseous pollution also. It is having a continuous duty blower with brushless motor which has replaced the conventional high speed blower where carbon brushes are required to be replaced at regular intervals.

Special Features :

• Unique flow measurement system using an orifice calibrated in m 3/min
• Provision to perform gaseous sampling using attached LES 411
• Anodized aluminium body & frame work to withstand weathering effects.
• Separation of gable roof from main bousing for easy transportation.
• 24 hr programmable timer.

The increasing impacts of pollutants and hazards to the health and industrial workers has resulted in effect on accurate, reliable and frequent assessment of work space pollution and worker-exposure. The data generation needed for corrective measures to safe the workers as per Factory act 1948 and amendment in 1986-87. Lata Envirotech Handy Sampler Model APM 831 APM 831 used best light weight pump battery operated to suck air through 25 mm dia filter and through suitable absorption solution contained in Impingers (2Nos) fitted. Thus besides particulates any two gaseous pollutants can be monitored simultaneously. Rechargeable battery has been used with sufficient storage of power to operate the sampler for 8 hours. A charger is also provided with APM 831 to recharge the battery. The APM 831 system uses a small battery operated pump to draw air thorough a suitable absorption solution contained in an impinger. If necessary, 2 impingers can be used in series to monitor 2 gaseous pollutants. There is an additional provision to determine suspended particulates in the same exercise by using the open sampling head designed for 25mm diameter filters or membranes. The same hardware can be used to sample a variety of pollutants including oxides of sulphur and nitrogen, halogens, ammonia, sulphides, etc. The particulate sampling head provided with the system is useful for monitoring particulates like silica, cement dust, metal fumes and asbestos fibers in work areas of cement plants, foundries, etc. To ensure complete absorption and reduce loss of absorbing solutions by evaporation, the impinger tubes of the APM 831 are kept in an insulated ice tray.

Special Features :

• Battery operated pump runs for a full shift of 8 hrs.
• Rechargeable, Maintenance free Battery.
• Provision for the system to operate off the mains also.
• Calibration Certificate for each instrument shall be provided with instruments

Monitoring of stacks and vents are requirement to ensure that emission of air pollutants are within the limit prescribed by regulatory authorities. By regular monitoring of emission one can establish that functioning and performance of installed control system are within the designed limits. Emission data also helps in improving performance of Air Pollution Control System energy saving and helps in optimizing process operation. Lata Envirotech Stack Sampler APM 160 has been developed to fulfill these requirements where user ease and emission monitoring regulations requirement have been given due consideration for reliable data generation. Stack Sampler APM 160 is light weight and portable system fitted with suction pump, with digital pyrometer and digital differential meter. Shifting of instrument from one stack to another stack is very easy. Measurement for differential pressure done by using S-Type Pitot Tube and digital differential meter. High quality leak proof push fitting for Thermocouple and Pitot tube are used. Two dial type vacuum gauges are provided for onsite monitoring of pressure drop in gas stream and particulate stream separately. Thimble holder nozzle and probe pipe has been fitted with Viton O Ring for leak proof connection. Thimble holder can accommodate CFT and GFT and Silica thimble with no extra efforts. Measurement temperature of outgoing gases after cooling can be done with the help of Thermometer which is placed in the impinger tube.

The APM 860 sampler uses an improved cyclone with sharper cutoff (D50 at 10 microns) to separate the coarser particulates from the air stream before filtering it on the glass microfibre filter. By using the APM 860, measurement of Respirable Particulate Matter can be done accurately and TSPM can also be assessed by collection of dust retained in the cyclone cup. Respirable Dust Sampler Model APM 860 Lata Envirotech Model APM 860 is designed and developed for monitoring of PM10 (based on cyclonic flow technique) meets most of the requirement of BIS 5182 (Part 23) 2006. The particulate matter 10 micron and below in size are directly The ambient air is sucked by a blower through corrosion free aluminum modular pipe and pass and it enters thorough a cyclone which divides the particulate matters in two fraction are below 10 micron and another above 10 microns. The Respirable dust (below 10 micron) directly gets deposited on filter paper and the coarser dust (above 10 microns) collected in the cup fitted under the cyclone. A time totalizer records the total running time of the blower. A programmable timer makes the instrument to stop and start as per desired intervals. A stabilizer is provided to provide constant power supply for smooth running of the system. The manometric systems indicate the rate of flow in cubic meter per minute which can be read directly on provided calibrated scale. Collected on filter paper and particulate matters above 10 microns are collected in cyclone cup. This instrument has got the provision for Gaseous Sampling Attachment suitable for sampling 4 gases viz SO2, NO2, O3 and NH3 simultaneously.

Special Features :

• Brushless blower reduces equipment downtime and maintenance effort.
• Lockable casters and gaseous attachment.
• Improved cabinet design which is more sturdy and durable with SS hardware.
• Brushless blower reduces equipment downtime and maintenance efforts
• Significantly reduce Noise

APM 860 comes with an in-built voltage stabilizer to compensate for voltage fluctuations. This model has been made more user-friendly, tool box within the instrument, softer handles. Owing to its modular design, APM 860 can be easily paired with a gaseous sampling attachment (for monitoring SO2, NOx, NH3, Ozone etc.) as gaseous sampling requires only a few LPM of air flow. This is possible through an attachable subsidiary unit LES 411. Kindly refer to respective brochures of LES 411.

The APM 860 NL sampler uses an improved cyclone with sharper cutoff (D50 at 10 microns) to separate the coarser particulates from the air stream before filtering it on the glass microfibre filter. By using the APM 860 NL, measurement of Respirable Particulate Matter can be done accurately and TSPM can also be assessed by collection of dust retained in the cyclone cup. Respirable Dust Sampler Lata Envirotech Model APM 860 NL is designed and developed for monitoring of PM10 (based on cyclonic flow technique) meets most of the requirement of BIS 5182 (Part 23) 2006. The particulate matter 10 micron and below in size are directly The ambient air is sucked by a blower through corrosion free aluminum modular pipe and pass and it enters thorough a cyclone which divides the particulate matters in two fraction are below 10 micron and another above 10 microns. The Respirable dust (below 10 micron) directly gets deposited on filter paper and the coarser dust (above 10 microns) collected in the cup fitted under the cyclone. A time totalizer records the total running time of the blower. A programmable timer makes the instrument to stop and start as per desired intervals. A stabilizer is provided to provide constant power supply for smooth running of the system. The manometric systems indicate the rate of flow in cubic meter per minute which can be read directly on provided calibrated scale. Collected on filter paper and particulate matters above 10 microns are collected in cyclone cup. This instrument has got the provision for Gaseous Sampling Attachment suitable for sampling 4 gases viz SO2, NO2, O3 and NH3 simultaneously.

Special Features :

• Significantly reduced noise as compared to most PM 10 instrument in the market.
• Blower with in-built thermal cut-off eliminating the need for a stabilizer.
• Lockable top cover and gaseous attachment.

Additional advantage with this blower is very low variation in flow rate in 230V input power supply range : Owing to its modular design, APM 860 NL can be easily paired with a gaseous sampling attachment (for monitoring SO2, NOx, NH3, Ozone etc.) as gaseous sampling requires only a few LPM of air flow. This is possible through an attachable subsidiary unit LES 411. Kindly refer to respective brochures of LES 411.

The APM 154 system is a manual method for sampling fine particles (PM2.5 fraction) and is based on impactor designs standardized by US-EPA for ambient air quality monitoring. Ambient air enters the APM 154 series samplers system through an omni-directional inlet designed to provide a clean aerodynamic cut-point for particles greater than 10 microns. Particles in the air stream finer than 10 microns proceed to a second impactor that has an aerodynamic cut-point at 2.5 microns. The air sample and fine particulates exiting from the PM 2.5 impactor are passed through a 47 mm diameter Teflon filter membrane that retains the fine particulate matter. The sampling rate of the system is held constant at 1m3/hr by a suitable critical orifice. The standard system is supplied with a Dry Gas Meter to provide a direct measure of the total air volume sampled. As per recent Air quality standard published by Govt. of India where measurement of PM 2.5 dusts has been made mandatory besides other parameters for defining the quality of ambient air. An Impactor based PM10/2.5 Sampler has been manufactured by Lata Envirotech Services which meet requirements of PM 2.5 is sampling using APM 154; PM 2.5 concentration in ambient air can be measured gravimetrically by using this sampler. APM 154 fitted with brushless and noiseless pump assembly where sampling rates of 1m3/hr is maintained constant with the help of orifice.

Special Features :

• PM10 and PM2.5 Impactors of sampler based on designs standardized by US-EPA
• Two part cabinet ensures that temperature of PM 2.5 filter remains close to ambient temperature.
• Diaphragm Pump with a low noise
• Lower sampling rate of 1m3/hr reduces filter choking even in areas having high FPM levels
• Critical Orifice maintains constant sampling rate of 1 m3/hour
• Sampler can run continuously 28 hrs monitoring
• Low power consumption
• Low weight essay to transport in field
• Can be measure PM10 or PM2.5 at a time
• Calibration Certificate for each instrument shall be provided with instruments
• Compact and portable.
• Weight - Approx 25 Kg.

Digital Velosity Monitor Model APM 101 Model APM-101 is designed to determine velocity of air/flue gas in duct /pipe/chimney. Where determination of the rate of flow inside a chimney is of interest. This instrument can be conveniently used to measure the total quantity/volume of emissions. Lata Envirotech Digital Velosity Monitor Model APM 101 APM–101 is designed to determine velocity of air/flue gas in duct / pipe/chimney. In situations where determination of the rate of flow inside a chimney is of interest, this instrument can be used very conveniently to measure the total quantity/volume of emissions.

Special Features :

• Hand Held Velocity Monitor & Compact
• Digital pressure cell in place of cumbersome liquid manometer
• Highly accurate & reliable readings.

Ambient air enters the APM 154 MFC Sampler through an omni directional inlet designed to provide a clear aerodynamic cut-point for particles larger than 10 microns. The air stream then passes through a WINS Impactor that retains the fraction between PM 10 and PM 2.5. The PM 10 and PM 2.5 impactors used in the APM 154 MFC are based on designs standardized by US-EPA and as such the system complies with international norms for PM 2.5 Samplers.

Special Features :

• PM 10 and PM 2.5 Impactors of sampler based on designs standardized by US EPA.
• Flow Control based on Mass Flow measurements to remove errors due to pressure, temperature changes (of both ambient air and filter).
• Auto shut off if flow rate drops significantly below 1 m3/hr.
• Microcontroller based data logger records Air Temp., Filter Temp and flow rate.
• Windows based software for downloading data.
• Pump Assembly in separate cabinet to prevent loss of volatile fraction and improve portability.
• Special imported oil free brushless vacuum pump that is practically noiseless