Air Sampler

Main Features:

  • Multiple-tube sampling capability

  • Compensation with high back pressure

  • Quiet-running package

  • Wide range of flow rates

  • Energy efficiency

  • Programmable timing

  • For all Solid, liquid & gas sampling

    Air Sampling Pump Specs

  Flow Range

   1000 to 5000 ml/min (UL Listed model) (5 to 500 ml/min requires the adjustable     low flow holder)


    34 oz (964 gm)


    5.1 x 4.7 x 1.9 in (13 x 11.9 x 4.8 cm)

    1000 to 2500 ml/min at 40 inches water back pressure
    3000 ml/min at 35 inches water back pressure
    4000 ml/min at 20 inches water back pressure
    5000 ml/min at 10 inches water back pressure

  Flow Control

    Holds constant flow to ± 5% of set-point
  Run Time
    NiCad Battery: 8 hrs minimum at 4000 ml/min and 20 inches water
    back pressure;dependent on media used. NiMH Battery: 12 hrs
    minimum at 4000 ml/min and 20 inches water back pressure;
    dependent on media used.Battery Eliminator: Pump will provide
    extended runs.

  Timer Display Range

    1 to 9999 minutes (6.8 days). Pump will shut off at 9999 minutes.
    To reset, restart the pump.

  Flow Indicator

    Built-in rotameter with 250-ml division; scale marked at 1, 2, 3, 4,
    and 5 L/min

  Charging Time (varies with
  battery capacity and level of   discharge)
    6 to 8.5 hrs with PowerFlex charger

  Power Supply

    6.0-V plug-in NiMH battery pack, rechargeable, 3.5-Ah capacity or
    6.0-V plug-in NiCad battery pack, rechargeable, 2.0-Ah capacity A
    battery eliminator is available (see Ordering Information); use
    voids the UL Listing for intrinsic safety.

  Intrinsic Safety

    UL Listed for Class I, Division 1 and 2, Groups A, B, C, D; Class II,
    Division 1 and 2, Groups E,F, G; and Class III, Temperature Code

  Operating Temperature
    32 to 113 F (0 to 45 C)

  Storage Temperature

    -4 to 113 F (-20 to 45 C)

  Charging Temperature

    50 to 113 F (10 to 45 C)

  Operating Humidity

    0 to 95% non-condensing

  Flow Fault

    If the pump is unable to compensate for longer than 15 seconds
    due to excessive back
    pressure, the pump enters flow fault. During flow fault, the pump
    stops, displays FLOW FAULT,
    pauses timing functions, and displays elapsed time or pump time.
    Auto-restart is attempted upto 5 times.

  Low Battery Fault

    Pumps stops, displays LO BATT, pauses timing functions, and
    displays elapsed time or pump time.

  Battery Test

    LCD indicator shows battery condition prior to sampling
  Time Display
    LCD displays up to 9999 minutes (6.8 days) at which point the
    display rolls over to 0. Displays include sampler run time in
    minutes for sampling period elapsed time, pump run time, or total
    elapsed time including delayed start

  Delay On

    Allows user to select minutes to delay start of test up to 9999
    minutes (6.8 days)

  Timed Shutdown

    Allows user to select minutes of operation before automatic
    shutdown. Timed shutdown maximum is 9999 minutes (6.8 days)

  Timing Accuracy

    ± 0.05% (± 45 sec/day)

  Intermittent Sampling

    Programmable to allow user to extend short-term samples over an
    extended period of time to meet time-weighted average (TWA)
    requirements with a reduced number of samples. Elapsed time
    maximum is 9999 minutes (6.8 days), at which time the sample
    pump shuts down.

  Sampling Pause (Hold)

    Allows user to temporarily halt sampling without loss of timing data.
    Restart does not require resetting time.

  Multiple-tube Sampling

    Built-in constant pressure regulator allows user to take up to four
    simultaneous samples with rates up to 500 ml/min each (total
    combined flow 1350 ml/min maximum) using the optional
    adjustable low flow holder accessory

  RFI/EMI Shielding

    Complies with requirements of EN 55022, FCC Part 15 Class B, EN
    50082-1 Frequency range of the radiated susceptibility test was
    27 to 1000 MHz CE marked

  Additional Specifications

    Built-in particulate trap
    External see-through filter housing
    Tamper-resistant control cover
    Tamper-resistant compensation adjustments
    Built-in accessory mount
    Stainless steel belt clip
    External exhaust port
    All non-plastic parts made of corrosion-resistant materials
    RFI and EMI-shielded case

  Additional Features

    One-year warranty
    Ultra-quiet operation
    Pulsation-free flow
    Impact-resistant case

(20 to 225 ml/min) Aircheck2000
(5 to 3250 ml/min)
AirLite Pump
(5 to 3000 ml/min)
Leland Legacy Pump
(5 to 15 L/min)

Indoor air quality monitoring:

Particulate and air quality monitoring in one instrument.

It offers the unique capability to simultaneously measure particulates (mass concentration), volatile organic compounds (VOCs), toxic gas, carbon dioxide (CO2), relative humidity, temperature and air velocity (with optional accessory).

Key Features

Simultaneously Measure Particulate and Gas Concentrations

  • Reduces the need for multiple instruments
  • Lowers the cost of ownership.

90° Light Scattering Photometer

  • Mass concentration engine offers real-time measurement of particulates.

Built in Sampling Pump for Gravimetric Analysis

  • Allows user to insert a 25 or 37 mm filter cassette to capture particulates for laboratory testing.

Dial-in Rotary Impactor

  • Twist and click selection of particulate settings: PM2.5, PM4, PM10 or TSP*

Outdoor air quality monitoring:

The EPAM-5000 is a portable microprocessor-based particulate monitor suitable for ambient, environmental, and indoor air quality investigations. Highly sensitive, this monitor uses light scattering to measure particle concentration and provide immediate real-time determinations and data recordings of airborne particle concentration in milligrams per cubic meter (mg/m3).

Interchangeable size-selective sampling heads allow PM10, PM2.5, PM1.0, or TSP monitoring. The unique aerodynamic particle sizing and optional 47-mm in-line filter holder loaded with an appropriate filter can provide concurrent gravimetric sampling. Sampling data can be downloaded to and stored on a PC for analysis and report generation using DustComm Pro Software (included).

Main Applications:

  • Quantifying off-site particulate migration
  • Surveying for PM2.5 and PM10
  • Monitoring dust generation during drilling and excavation
  • Evaluating dust suppression and engineering controls
  • Locating and identifying "hot spots"
  • Emergency response and fugitive emissions compliance
  • Determining level of respiratory protection
  • Survey of workplace for OSHA/EPA compliance
  • Evaluating worker exposure to airborne contaminants
  • Dust collector/ventilation system checks
  • Monitoring lung-damaging particles in factories and buildings

Sound Level Meter:

Sound level Meter with data logging:

It includes Advanced Hand Held Sound Level Meters and Real-Time Frequency Analysers. When used with QuestSuite Professional II applications software, you can simply and reliably perform your advanced noise analysis.

All meters include two virtual sound level meters to simultaneously measure multiple regulatory requirements. Meters equipped with 1/1 and/or 1/3 octave real-time frequency analysis allow you to choose either real time analyser or broadband measurements for one of the virtual sound level meters. Use high speed USB or removable SD memory to transfer data from your sound level meter to your computer for further analysis.

Handheld Sound level Meter:

The Sound Detector SD-200 is an entry-level sound level meter that is designed for the measurement of workplace noise levels. Its intuitive design makes it easy for users to measure sound levels and help determine the degree of hearing protection required.

Basic Sound Level meter:

SoundPatrol DP 1200 (Class 1) and SoundPatrol DP 2200 (Class 2) integrating impulse sound level meters with digital printing capabilities were created especially for Noise Ordinace Enforcement. Both noise level meters are rugged, high-quality devices meeting all the applicable accuracy and performance requirements for sound level meters as defined by ANSI S1.4 and S1.43, IEC 61672, 651 and 804.

Noise Dosimeter:

Portable Noise Dosimeter:

If you need advanced statistical analysis of your noise exposure data and Type 1 accuracy then the high performance NoisePro DLX-1 is your noise dosimeter. This Type 1 noise dosimeter logs Lavg/Leq, FastMax, SlowMax, FastMin, SlowMin, Fast Ceiling Count, Slow Ceiling Count and Lpeak at intervals from 1 second up to 1hour.

It includes (4) virtual noise dosimeters to measure (4) separate noise standards. An impressive 128 x 64 pixel backlit LCD display and intelligent user interface provide easy access to data and setup information. Options include a vibrating alarm and boom microphone.

All NoisePro noise dosimeters are compatible with QuestSuite Professional Software for advanced reporting and record keeping, a virtual docking station, calibration management and more.

Handheld Personal Noise Dosimeter:

The Edge eg5 model is a cable-free personal noise dosimeter with Intrinsic Safety approvals from MSHA, SIRA (ATEX), CSA (US and Canada), and Simtars (IECEx) for use in potentially hazardous environments such as mines, petrochemical sites, and manufacturing facilities. The Edge eg5 noise dosimeter offers users a lighter, more ergonomic method to monitor noise levels with its compact contoured design, advanced feature set and intrinsic safety certification.

Lux Meter:

Main Features:

wide range light meter
  • Compact and rugged design
  • Widest range to 40,000Fc/ 400,000Lux is ideal for outdoor applications
  • Large display with bargraph, Relative function for zero or difference from reference value
  • Peak function captures short light pulse, Data Hold and Min/Max readings
  • Auto power off, Zero function

Heat stress Monitors:

It is a rugged, easy to use, datalogging Thermal Environment Monitor. Output recorded data directly to a serial printer or download to QuestSuite Professional software, "The System Solution" for storage, retrieval, analysis, reporting, and charting of all your heat stress monitoring data.

Audio Meter:

Digital Audio meter for screening & checking auditory function.

Main features:

  • Class IV tonal audiometer
  • 11 frequencies: 125 Hz - 8000 Hz
  • Large choice of headset
  • Compact and lightweight
  • MVA: Multilingual Vocal Assistance

Vibration Meter:

The VI-410 is an advanced hand-held real time vibration analyzer. It can simultaneously monitor up to four input channels with each channel including 1/1 or 1/3 real-time octave band data.

Three of the channels are typically used for tri-axial vibration measurements. The bonus fourth channel can simultaneously analyze either sound or an additional single axis of vibration using additional optional transducers.

With 32MB of Internal Memory, it logs over 2 Weeks of 1-Second RMS/MAX/MIN/Peak results.

To easily configure the VI-410 and to thoroughly analyze your data, it is fully integrated with QuestSuite® Professional II "The System Solution" Software Application.

Alcohol breath tester:

The breath alcohol tester is packed with features other alcohol testers can't match. Using a proprietary electrochemical sensor (fuel cell), it provides highly accurate alcohol test results in seconds and allows you to store them in its built-in memory. It is fully compatible with the optional portable printer.

Portable VOC Detector:

The PhoCheck Tiger VOC detector is a revolutionary hand held PID instrument for rapid, accurate detection of volatile organic compounds (VOCs). Its photoionisation detection (PID) capabilities utilise advanced patented Fence Electrode technology, a 3 electrode format with increased resistance to humidity and contamination.

Main Features:

  • Patented Fence Electrode Technology
  • Dynamic range ppb to 20,000 ppm for specific volatiles
  • Fast 2 second response
  • Easy change miniPID Detector, Electrode Stack and Lamps
  • Exceptionally easy to use and intuitive
  • No complex set up procedures required via a PC
  • Batteries certified to be changed within hazardous areas
  • Fully upgradeable with selectable functions
  • Choice of data logging options
  • Battery life up to 30 hours
  • Intrinsically Safe ATEX, IECEx and CUL approvals
  • Rugged design with protective, removable rubber boot
  • Loud audible sounders 95 dBA
  • Bright LED and vibration alarms
  • Lowest running costs on the market
  • 5 year instrument warranty

Formaldehyde Meter:

The Formaldemeter htV-M offers the same precise 3 parameter monitoring for low levels of hazardous formaldehyde vapours under extremes of temperature and humidity as seen in the world-wide success of the Formaldemeter htV.

Main Features:

  • A built in non-volatile memory that can be upgraded. y
  • Capable of up to one month of continuous monitoring.
  • A real time clock.
  • Built in alarm
  • Mains or battery powered.
  • No complex set up procedures required via a PC
  • Can be used as a manual hand held and a continuous monitoring data logger.
  • Fully upgradeable with selectable functions
  • An RS232 interface allowing direct connection to PC for data download or control by the SPC-3 programme without the need for additional hardware.
  • Battery life up to 30 hours
  • Supplied with the htV-M download software.
  • Rugged design with protective, removable rubber boot
  • Manufactured to ISO 9001:2000 quality standards and compliant to CE regulations.

Weather Monitoring station:

Optimize your irrigation and IPM programs with this powerful weather station. The comprehensive water management system enables you to assign discrete K-factors to each crop/field you track for evapotranspiration and irrigation amounts.

It measures, calculates and logs:

1. Evapotranspiration (ETo)
2. Wind Speed and Direction
3. Rainfall
4. Dew Point
5. Solar Radiation
6. Air Temperature
7. Relative Humidity
8. Up to 5 external sensors

Dust Monitor:

It is the most cost-effective dust monitor model, equipped with a semiconductor laser. It is excellent for measuring at the medium to long distances ( 3 - 10 m) and medium high concetrations. ( > 25 mg/m3).

Main Features:

  • Direct continous measurement of opacity or optical density
  • Small, lightweight and easy installation
  • No moving parts and simple optics for long life operation
  • Light source is a semiconductor laser
  • Adjustable alarm values and alarm relay
  • Linear voltage output 0...1V and current output 4 ... 20mA
  • Digital LCD-display and analogue display for D-value
  • 4 operation ranges (...0...0,03 D, 0...0,1 D, 0...0,3 D, 0...1,0 D)
  • Low maintenace requirements and small physical size due to simple optics

Advanced Laser Dust & Opacity Monitor :

It offers the new performance standard in opacity/dust monitoring which is based on the model designed for USA-market and approved by US EPA. LM 3086 SE has TÜV approval for German 13th BlmSchV and TA Luft

Ambient Air Quality Measurement System:

NOx/SOx/CO/PM Analyzers

TSP/PM2.5 /PM4 Analyzers

USEPA approved Ambient Air Analyzers for the measurement of CO, S02' NOx, O2, SPM RSPM in the ambient environment. Compact system ideal for measurement agencies.

CO Analyzer:

Operates on the principle of gas filter correlation method, Range: 0-5, 0-1 0, 0-20, 0-50, 0-1 00 ppm.

NOx Analyzer :

Operates on the principle of chemiluminescence method, Range: 0-0.1, 0-0.2, 0-0.5, 0-1.0, 0-2.0 ppm.

S02 Analyzer :

Operates on the principle of UV fluorescence method, Range: 0-0.05, 0-0.1,0-0.2,0-0.5,0-1.0 ppm.


Operates on the principle ofUV photometry method, Range: 0-0.1, 0-0.2, 0-0.5, 0-1.0 ppm.

HC Analyzer:

Operates on the principle of Gas Chromatographic method, HC is separated into Methane and Non-Methane Hydrocarbons. Hygrogen Flame Ionization Detector automatically measures Methane and Non-Methane Hydrocarbons. Range 0-5,0-10, 0-20,0-50ppmC.

SPM Analyzer:

Operates on the principle of BataRay Attenuation. It measures particle mass without the effects of shape, size or color of the suspended particulate matter. The equipment includes a PM I 0 inlet and PM2.5 WINS Impactor.

All analyzers are integrated in a 19" rack cabinet and connect to powerful data acquisition system which stores more than 5 years data and software with graphical presentations.

Poratble Gas Detector


  • Simple 1-button operation
  • Any combination of (LEL/O2/CO/H2S)
  • Audible, visual and vibrating alarms
  • Fully certified
  • Internal pump (optional)
  • Lightweight
  • Sensor integrity checking
  • Robust construction
  • Ease of maintenance

Auto Bump & Calibration Station

  • Simple user interface
  • Full bump, calibration and charging options
  • Bump/calibration results storage
  • Stand-alone, PC or ethernet options
  • Robust construction


A robust and accurate portable gas detector the VISA provides unrivalled protection in confined space applications with audible and visual alarms in the event of exposure to flammable or toxic gases.

Detecting and displaying up to 4 gases simultaneously using "plug and play" sensor technology, the VISA is suitable for a host of applications in a variety of industries.

Online Gas Detection

GM - 1100


  • Dual Display of Gas Concentration & Set Point / Unit of Gas
  • Microcontroller Based Latest, Accurate, Reliable & High PerformanceTechnology that Eliminates False Alarm
  • Advance Warning and Alarm Output
  • Audio Visual Alarm Indication
  • Two Independent Alarm Relay Output
  • Optional Programmable Linear 4 - 20mA / 20-4 mA O/P with Respect to Gas Concentration
  • Optional RS-485 with Modbus RTU Protocol
  • Easy One Man Calibration at Site
  • Suitable In Hazardous Area CCOE, CMRI & IP - 65 Approved
  • User Friendly Operation
  • Password Protected Programming with Password changing facility


  • Oil & Gas Industries
  • Chemical & Petrochemical Plants
  • Chemical Processing Plant
  • Pulp & Paper Plants
  • Acid Alkalizes & Dyes Mfg. Plants
  • Offshore Drilling & Processing Platforms
  • Refineries
  • Stack Monitoring
  • Chemical Storage Area
  • Ambient Monitoring
  • Sewage Plants
  • Fertilizers Plants
  • Power & Industrial Plants
  • Gas Metering Station
  • Bullet Yard / Storage Yard
  • Coal Mine and Confined Area
  • Gas Pipeline Project
  • Gas Cylinder Bank
  • Heat Treatment Plants
  • Automotive Industries / Paint Shops
  • Burner / Furnace Areas

PID - 7000

The Aero sense PID-7000 provides an effective solution for detection and analysis of Volatile Organic Compounds (VOCs) whose Ionozation Potential is < 10.6 eV.


  • Higher accuracy and better lifetime achieved using Photo Ionization Detection(PID) sensor Technology.
  • Optimized for detection of smallest leak of VOCs (IP < 10.6eV).
  • Highly resistant to poisoning and etching.
  • Capable of detecting down to PPB, PPM.
  • Auto ranging of Gas concentration from PPB to PPM.
  • Digital Alphanumeric display with Auto backlit.
  • Standard 4-20mA signal output with configurable range.
  • Easy handling and programming with 3 keys.
  • Can be programmed using Remote Control from 10 meters line of site distance.
  • Non - Intrusive programming for Flameproof model using Magnetic pen.
  • Password protected programming menu.
  • One man Auto software Gas calibration.
  • Optional Alarm relay contacts with two configurable Alarm levels.
  • Optional STEL and TWA set points can be configured for all VOCs.Optional RS-485 communication port with MODBUS RTU Protocol.


  • Manufacturing.
  • Processing.
  • Offshore.
  • Chemical.
  • Pharmacutical.
  • Indoor air Quality.
  • Pulp & Paper.
  • Solvent Recovery system.
  • Industrial painting & coating.
  • Waste water treatment plants.
  • Refineries & Petrochemical plants including offshore drilling & plant shut-downs.

Human Vibration Meter & Analyser:


  • Human Vibration measurements meeting ISO 8041:2005, ISO 2631-1,2&5 (including VDV and MTVV) and ISO 5349
  • Six channels for acceleration and two channels for static force measurements
  • Each channel with two profiles
  • Whole-Body measurements:
    - Low-cost and low power seat accelerometer SV 38V
  • Hand-Arm measurements:
    - SV 105A integrated triaxial accelerometer including hand straps
    - SV 107 integrated triaxial accelerometer including hand straps and grip force sensor
    - SV 150 triaxial accelerometer with adapter for direct attaching
    to hand-held power tools
  • Time-domain signal recording (meeting ISO 2631-5)
  • 1/1 and 1/3 octave real-time analysis
  • Advanced data logger including spectral analysis
  • MicroSD flash card for mass data storage
  • USB 1.1 Client interface
  • A(8) daily exposure automatic calculation
  • SvanPC++ software for easy instrument set-up and data download
  • Easy in use, user friendly interface with colour display
  • Pocket size (140 x 83 x 33 millimetres) weight only 390 grams including batteries

Sorbent Sample Tubes:


  • Quality and reliability for compliance sampling
  • Consistent 20/40 mesh size of Anasorb–– ® CSC charcoal
  • Reproducible recoveries and low standard deviation
  • Large lots with consistent results
  • A complete line of tubes for occupational and environmental methods
  • Fast delivery
  • Responsive customer service and free technical support

Online Gas analyzer:

The Sensepoint XCD range provides comprehensive monitoring of flammable, toxic and Oxygen gas hazards in potentially explosive atmospheres, both indoors and outdoors. Users can modify detector operation using the LCD and magnet switches without ever needing to open the unit. This enables one-man, non-intrusive operation and reduces routine maintenance time and costs.


  • Industrial manufacturing facilities
  • Power plants
  • Waste water facilities
  • Utilities
  • Food and beverage production
  • Refineries and chemical plants
  • Onshore oil and gas terminals
  • Production platforms
  • Exploration and drilling

Gas detection just got personal:

Gas Measurement Instruments designs, manufactures and markets a wide range of the highest quality proven personal portable and fixed gas monitoring systems. GMI is an international brand with a worldwide network of distributors and dedicated service centres ensuring fast and effective turnaround on instrument calibration and repair. Our uncompromising engineering excellence, established in over half a century of leadership, enables us to meet the exacting demands of industries where safety is critical. By building and maintaining strong relationships with our customers, GMI understands the unique challenges of the diverse markets we serve. Today, our proud heritage of pioneering gas leak monitors and detectors is shaping the future of GMI.


  • Simple 1-button operation
  • Measures up to 4 gases (LEL/O2/CO/H2S)
  • Audible, visual and vibrating alarms
  • Fully certified
  • Internal pump (optional)
  • Lightweight
  • Sensor integrity checking
  • Robust construction
  • Ease of maintenance

Auto Bump / Calibration Station

  • Simple user interface
  • Full bump, calibration and charging options
  • Bump/calibration results storage
  • Stand-alone, PC or Ethernet options
  • Robust construction

Breath Alcohol Analyser:

The Uniphos - 395 Breath Alcohol Analyser is a microprocessor based hand held instrument , which measures the blood alcohol content in a person who has consumed alcohol . It is done by measuring the breath alcohol content and relating it to the blood alcohol content.


  • Advanced Micro processor based technology.
  • Detects breath alcohol level between 0.000 to 0.500 BAC
  • Handy, accurate and easy to use.
  • On Board memory,computer and printer interface.
  • Stores upto 500 test results along with time date and BAC.

Agasthya Series BI - 7000 Multi

The Agasthya Series BI - 7000 Multi Gas Analyser ha been upgradede to meet the needs of organizations requiring cost effective & reliable single or multiple gas analyser Solutions. The four technologies employed are all tried and tested to ensure the user experiences maximum reliability and accuracy.


  • The best price performance on the market - Designed with user requirements foremost in mind.
  • Tried and Tested Technologies with proven Reliability - 1 year Warranty.
  • Upto 8 gases/ simultaneously analysed - Upgrades available to protect investments.
  • Wide range of gas selectivity.
  • Compact 3U or GU - rack mount wall design with menu driven , easy to use front psnel controls.
  • Auto calibration as option.
  • Upto 4 ranges per gas with auto range.
  • Multichannel Accessory for sequencing upto 8 channels.
  • Wall mount versions.
  • Transportable version
  • Auto calibration as standard.