Products
  AIR SAMPLING  

  AIR SAMPLING INSTRUEMTS  
     
 
Specifications:
Flow Rate 0.9-1.4m3/Minute.

Particle size
10 to 0.5 Micron on filter paper. More than 10 Micron should be collected in a separate sampling bottle.
Sampling time
24 hrs (Maximum)
Sampling time record
99.59 hrs.
Automatic Sampling Control
Automatic shut of system after preset time interval
Power requirement
270V to 230V Single phase 50 HZ. to 60 Hz. built in voltage stabilizer with automatic shut off beyond 170-270V.
 
     
 
 

Special Features:

  • High capacity Blower Motor (Rallifowlf Make) of 2m3/min.
  • Blower Motor Protection circuits against under/over voltage and excess current situations.
  • Flow measurement with U tube manometer and orifice plate at exhause as per US EPA Guideline.
  • Electronic Timer cum time totaliser with quartz clock accuracy and automatic start after set delay time.
  • Gaseous sampling impingers should be double walled cold housing.
 
     
 

STACK MONITORING KIT

  
     
 

Specifications:
Stack Temperature Ambient to 600 deg C displayed on a digital pyrometer.
Themocouple
Theromocouple sensor should be in stainless steel casing length of insertions should be one meter with atleast two meter long cable.
Stack velocity range and Manometer
0-30 meter per second should be able to measure by glass borosilicate tube attached with spirit label for labelling and for measuring of low velocity differential density manometer should be provided.
Rotameters
Two rotameters with 2 percent FSD accuracy of 0-30 1pm and 0-3 1pm should be provided for particulate and gaseous sampling.
Pitot Tube
S type Pitot tube fabricated from stainless steel should be of one meter length.
Filter Holder
Should be fabricated from steel and should be suitable to hold both cellulose thimble of 30x100 mm and GF/A thimble of 19x19 mm.
Nozzles
A set of 3 nozzles of stainless steel should be provided.
Digital clock
A stop watch of 0-60 minute with 1 seconfd read out should be provided.
Cold box
A cold box should be provided with a provision to keep ice and three impinger tubes with all-socket joints.
Vaccum pump
Rotary. Vane type free air displacement 50 LPM driven by single phase motor.
 
     
 
 
     
  AMBIENT FINE DUST SAMPLER  
 

Model PEM-ADS 2.5u /10u
Features:

  • PM 2.5 sampler as per US EPA specifications
  • PM 10 or TSP monitoring options
  • Full data logging
  • Electronics Display of al parameters
  • Filter sample allows further analysis
  • Sturdy construction for outdoor use
  • Simple to set up
  • Pocket sized data logger module for data recovery (optional)
  • Software calculates final result from user data input (optional)

 

  
     
  Specifications
The sampler consists of sampler air inlet (designed as per EPA guidelines), down tube, 2.5u particle size separator (based on EPA WINS impactor), filter holder assemble, air pump & flow rate control system, flow rate measuring system based on orifice metering, ambient & filter temperature monitoring system, barometric pressure measurement sensor, electronic timer (Real time), out door environmental enclosure & electronic control system to meet the design & functional performance as specified by US EPA.
  
     
 
PM 2.5 Size Separator : EPA Omni-directional ambient particle inlet with sample transport tube & EPA PM 2.5 WINS Impactor.
     
Filter Media : 47 mm PTFE Filter in a suitable filter Holder assembly.
     
Electronic Unit :  
  1. Flow Rate Meter & Volume Totaliser
 : Flow in LPM on digital display with a resolution of 0.1 LPM under actual
operating conditions.
Range 16.7-LPM ± 10% Accuracy ± 2% of reading.
Volume Totalised every 30 seconds from above flow rate & available on
display.
     
  1. Flow Control System
 : Electronic sample air flow rate control system based on Flow Control Proportioning valve to operate over a pressure drop of clean filter + 60 mm Hg. Flow regulation better than ± 5% over 24 hour period at a rate of 16.7 LPM.
     
  1. Clock / Timer system
 : Programmable Real Time Clock timing / control system with digital display of date & time of sampling. Accuracy ± 2 min / month.
     
  1. Temperature Sensors
 : For Ambient temperature & Filter temperature Range – 5 °C to 50°C with a Resolution of 0.1°C.
     
  1. Barometric Pressure Sensor
 : Range 600 to 800 mm Hg. Resolution 1 mm Hg.
     
  1. RS-232 Serial Output
 : For downloading to data storage Module.
     
Vacuum Pump : A diaphragm type pump with AC motor.
     
Power : 230 V AC ± 10%, 50 Hz. (110 V, 60 Hz Optional)
     
Height of Sampling Inlet : 2 Meter above ground.
 
     
 
 
     
  High Volume Samplers  
 

Model PEM – HVF 3 & 310
Features:

  • Microprocessor based design
  • Digital display of Sampling Flow rate and Sampling Time
  • Digital display of STP corrected Volume of Sampled air.
  • Solid State pressure sensor instead of U-tube manometer for flow measurement.
  • Real time programmable for automatic Start & Stop.
  • Brushless maintenance free high capacity Blower.
  • Data stored in non-volatile memory.
  • Double Walled Cold Housing for 4 Impinger Tubes.
  • Blower Motor Protection against Under – Voltage / Over-Voltage as well as Over Heating of the Motor.
  
     
  SPECIFICATIONS:  
     
 
Blower Flow Rate : More than 2.5 m3 / min free flow without resistance.
     
Particulate Sampling : Less than 100u (RPM) with Size Selective Inlet (for model HVF – 310) (Design approved by EPA & similar to Anderson USA)
     
Filter Holder : SS 304 to accommodate filter paper of 25 x 20 cm.
     
Filter Media : Whatmann GF/A or EPM – 2000
     
Electronic Control Unit: :  
  1. Flow Rate
 : From 0.25 M3 / Min on digital display
     
  1. Electronic Timer
 : Sampling Time programmable upto 999 hrs. 59 mts. With Real Time Clock
     
  1. Electronic Time Totalizer
 : Upto 999 hrs. 59 mts.
     
  1. Volume Totalizer
 : Upto 99999 M3 STP Corrected.
     
  1. Flow Measurement
 : With exhaust orifice & Pressure sensor for flow
     
  1. Temp Measurement
 : With Solid State Temperature Sensor for STP Correction.
     
  1. Display
 : 32 Character Alphanumeric LCD Module.
     
  1. Keys
 : 6 Nos.
     
  1. Status Indicator
 : Under Voltage, Over Voltage & RUN LED’s
     
  1. Power Supply
 : From 170 to 230 V AC, 50 Hz.
     
Main Housing : Made up of sturdy Powder Coated aluminum.
     
Brush Less Blower : Centrifugal regenerative Type Blower couple to 0.75 HP, 1 Ph AC Motor with 2” diameter Hose connection in a separate weather proof housing.
     
Gaseous Sampling    
Flow Rate : 0.3 to 3 LPM
Flow Control : Four way acrylic manifold with four inlet and one outlet and four stainless steel needle valves for flow control of each inlet.
Rotameter : 0.3 LPM to 3 LPM with a resolution of 0.1 LPM.
Sampling Train : 4 Nos. 35-ml glass impingers in a double – walled cold box.
     
Calibration : Each Blower & Gaseous Rotameter is individually calibrated with Certified Calibrating Instruments with tracibility to NPL New Delhi. Calibration Reports are provided.
 
     
 
SPECIFICATION OF RESPIRABLE DUST SAMPLER
PEM – HVF - 310
     
Blower Flow Rate : More than 2.5 m3 / min free flow without resistance.
     
Particulate Sampling : Less than 10 ± 1 u with Size Selective Inlet (for RPM) at 1.13 M3/Min
Less than 100 u with Gable Roof (for SPM).
     
Filter Holder : SS 304 to accommodated filter paper of 25 x 20 cm.
     
Filter Media : Whatman GF / A or EPM – 2000
     
Electronic Time Totalizer : Up to 99 Hrs. 59 Min. on LCD Module
     
Keys : 6 Nos.
     
Constant Flow Controller :  
Flow Rate : 0.3 to 3 LPM
Flow Control : Four way acrylic manifold with four inlet and one outlet and four stainless needle valve for flow control of each inlet.
Rotameter : 0.3 LPM to 3 LPM with a resolution of 0.1 LPM
Sampling Train : 4 Nos. 35-ml glass impingers in a double – walled cold box.
     
Calibration : Each Blower & Gaseous Rotameter is individually calibrated with Certified Instruments. Calibration Reports are provided.
 
     
 
DIGITAL FLOW CALIBRATOR - Model PSI-DFC1
 
The Digital Flow Calibrator combines the simplicity & versatility of a soap film bubble meter with the speed and accuracy of a microprocessor. With handsfree operation, you can still see the bubble, but you also have precision of a digital display with accuracy of a quartz clock. No more tedious bubble formation, bubble watching, timing & flow-rate/time calculation. The DFC-1 accurately calibrates air sampling pumps (vacuum or pressure), rotameters, orifices etc quickly & reliably with accurate & reproducible results.
 

Features:

  • Primary Standard
  • Flow Accuracy ± 2%
  • Wide Measuring Range
  • Tracks Multiple Bubbles
  • Auto – Ranging
  • Single or Average Mode
  • Run or Hold Mode
  • Auto Shut-off
  • Multi Function Self Diagnostic for Error free Operation
  • Automatic Bubble-Feed for hand-free Operation
  • Adjustable Glass Flow Cell for faster results at low flows
  • Measures flow from pressure or Vacuum Source
  • Field Replacable Glass-Flow Cell
  • Fully Portable
  • Mains or Battery Operated
  • Optional Portable Printer for Permanent Records.
 
     
 
CALIBRATORS FOR HI-VOL. SAMPLERS
 
MODEL PEM - TLOC 1
 

Polltech make Calibrator Model PEM – TLOC 1 is traditional HVS calibrator with a U Tube Manometer & offers a low cost solution for calibration of HVS & RDS.

Specifications :
Flow Range 500 LPM to 2000 LPM
U tube Manometer: 40 cms Glass Manometer on a Stand
 
     
 
MODEL PEM - TLOC 2
 

Polltech make Calibrator Model PEM – TLOC 2 is a state of art advanced calibrator with digital display of Flow (STP corrected & uncorrected). It is based on the standard design of EPA but uses Solid State Pressure & Temperature sensor & advanced Micro controller to give digital display of flow with an accuracy of better than 1%.

Specifications :
Flow Range 250 LPM to 2500 LPM
Display: 16 x 2 alphanumeric LCD.
Keys: 3 Nos.
Vacuum Sensor Range: 0 to 1 PSI.
Temp. Range: 5°C to 654°C
 
     
     

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