Enviro Instruments Handy Sampler EI-007 – Portable Air and Gas Sampling Instrument

The Enviro Instruments Handy Sampler EI-007 is a portable air sampling instrument designed for workplace air quality monitoring, industrial hygiene assessments, and environmental pollution studies. It is used to collect air samples for subsequent analysis of selected gaseous pollutants and, with the appropriate sampling attachment, airborne particulate matter. The instrument is designed to support field investigations in industrial facilities, research laboratories, occupational health programs, and environmental monitoring activities.

The EI-007 works by drawing a controlled volume of air through a suitable sampling arrangement. For gaseous pollutants, air can be passed through an appropriate absorbing solution contained in a glass impinger. The absorbing solution captures the target substance for subsequent laboratory analysis. Depending on the selected sampling method, two impingers may be connected in series to collect samples for the assessment of two gaseous pollutants or to support a specified analytical procedure.

The instrument can be used with suitable chemical absorption methods for monitoring selected pollutants, including sulfur oxides, nitrogen oxides, halogens, ammonia, and sulfides. The actual pollutants that can be measured depend on the absorption solution, sampling procedure, analytical method, and accessories selected for the investigation.

With a compatible particulate sampling head, the EI-007 can also support the collection of airborne particles on appropriate filter media. Applications may include workplace assessments involving dust and fumes, such as those encountered in cement plants, foundries, and other industrial environments. Filter selection and sampling procedures must be matched to the target particulate and the applicable monitoring method.

The pictured unit is marked Enviro Instruments Handy Sampler, Model No. EI-007. Its visible components include a digital timer, an on/off switch, a flow indicator, sampling tubing, and glass sampling attachments. These components support controlled sampling duration and airflow monitoring. The front-panel flow indicator allows the operator to observe the sampling flow, while the timer helps control the sampling period.

The published EI-007 specification identifies a sampling flow range of 0.5–3 litres per minute (LPM). The instrument's timer is described as having a three-digit display, adjustable timing, running-time settings, and delay-time settings. These functions are useful when repeatable sampling duration is required for workplace exposure surveys and environmental investigations.

Portability is an important benefit of a handy sampler. Instead of requiring a large stationary monitoring installation, the instrument can be transported to different sampling locations, subject to the correct accessories and operating setup. It may be used in factories, workshops, laboratories, industrial process areas, and other locations where workplace air sampling is required.

The rechargeable battery and provision for mains-powered charging or operation, according to the applicable configuration, allow the sampler to be used in different working environments. Published information for the EI-007 describes approximately 10 hours of operation on a full charge at a sampling rate of 1 LPM, with charging taking approximately 15 hours or less. Actual performance depends on battery condition, configuration, and maintenance.

For environmental laboratories and industrial safety teams, the EI-007 can support sampling programs used to assess workplace contaminants and investigate potential exposure concerns. The instrument collects samples; it does not directly identify or quantify every pollutant. Appropriate laboratory analysis, validated sampling methods, calibration, and interpretation are required to obtain meaningful results.

Before purchasing a pre-owned unit, buyers should check the pump operation, flow-rate control, timer, battery condition, charging system, tubing, impingers, seals, and other supplied accessories. The instrument should also be checked for leaks and its flow rate verified against a suitable reference standard. The condition of the pictured unit cannot be established from its appearance alone.

The Enviro Instruments Handy Sampler EI-007 is a practical option for organizations requiring a portable sampling system for selected gaseous pollutants and, with the appropriate attachment, airborne particulates. Confirming the accessories, calibration status, and working condition before use will help ensure suitability for the intended monitoring program.

2.1 Applications of the Product

• Workplace air monitoring: Collection of samples for occupational exposure assessments.
• Industrial hygiene: Sampling for selected gaseous pollutants in workplaces.
• Chemical industries: Sampling for compatible gaseous contaminants using appropriate absorption solutions.
• Cement plants: Collection of suitable airborne dust samples with the correct particulate sampling attachment.
• Foundries and metal-processing facilities: Supporting workplace dust and fume monitoring programs.
• Environmental laboratories: Collection of air samples for subsequent chemical analysis.
• Research institutions: Air pollution research and controlled sampling investigations.
• Occupational health and safety: Supporting industrial exposure assessment programs.
• Pollution monitoring: Sampling selected pollutants as part of environmental surveys.

2.2 Features of the Product

• Portable air sampling instrument.
• Manufacturer: Enviro Instruments.
• Model: EI-007.
• Sampling flow range of 0.5–3 LPM, as published for the model.
• Digital timer with adjustable sampling duration.
• Running-time and delay-time settings.
• Flow indicator for observing sampling airflow.
• Glass impinger sampling arrangement for gaseous pollutants.
• Provision for two impingers in series in suitable configurations.
• Compatible particulate sampling attachment available for applicable sampling methods.
• Rechargeable battery operation, subject to configuration and battery condition.
• Suitable for field sampling and industrial hygiene investigations.

2.3 Technical Specifications

Specification	Details
Brand	Enviro Instruments
Model	EI-007
Product type	Handy air and gas sampler
Sampling flow rate	0.5–3 LPM
Pump type	Built-in suction pump; verify exact pump type for this unit
Timer display	Three-digit digital display
Adjustable timer range	0–12 hours, as published
Running-time setting	1–999 minutes
Delay-time setting	1–99 minutes
Sampling arrangement	Two glass impingers, approximately 35 mL each, in the published configuration
Particulate sampling	Supported with a compatible sampling head
Power supply	Published configuration: 220 V AC, 50 Hz, with battery/charger
Battery operating time	Approximately 10 hours at 1 LPM when fully charged, as published
Charging time	Approximately 15 hours or less, as published
Display	Digital timer and visible flow indicator
Applications	Selected gaseous pollutants and particulate sampling with appropriate accessories
Calibration status	To be verified
Current working condition	To be tested

Specifications are based on published EI-007 product information. Confirm the exact configuration and electrical requirements against the unit's rating plate and manual before use.

2.4 Product Condition

Condition: Used – functional testing required.

The photograph shows a pre-owned instrument. Before listing it as refurbished, inspect and test the pump, flow indicator, timer, battery, charger, sampling connections, impingers, tubing, and seals. Verify the airflow using a suitable calibrated reference instrument and check the system for leaks.

If the unit has not been tested or serviced, describe it as used with its operational condition unverified rather than claiming that it is fully functional or refurbished.