Environmental Monitoring Equipment & Supplies • Sales, Rental & Service by Enviro-Equipment — Charlotte, North Carolina USA

Casella TUFF Personal Air Sampling Pump
  • Flow rates up to 4.5 L/min and as low as 5 ml/min (via optional low flow adapter).
  • Intuitive user interface and menu.
  • Intrinsically safe models available.
  • Visible replaceable inlet filter.
  • High capacity battery option for up to 30+ hours of operation.
  • Datalogging models available.

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The TUFF pump incorporates a proven efficient double acting diaphragm pump mechanism with precise digital control. This offers the user excellent real time flow control and stability across a wide range of sampling media.  

The TUFF range of personal air sampling pumps offer the user an extremely robust, rubber over-moulded unit designed specifically for use in harsh monitoring environments. With the range offering a wide flow rate from 5 ml /min* to 4.5 l /min. The units offer excellent functionality at a competitive price.

Flow Range Options:

TUFF pumps are available with either 3 or 4.5 l /min maximum flow rate capability. Standard, Plus and Pro models then provide different levels of functionality and programmability.

TUFF Standard Model:

Entry level pumps for abatement and general sampling applications. With simple single point flow setting, elapsed run time counter and run mode only. Simple battery life indication. Drop in fast charger.

TUFF Plus Model:

Offer additional functionality including: Display of flow set point, real time flow rate, accumulated sample time and volume. Programmable Run Duration mode. Upgradeable to Pro.

TUFF Pro Model:

Offers advanced program functionality and download capabilities suited to the most demanding occupational and industrial hygiene applications. Offers all functionality of the Plus model with the addition of: Intelligent Hours Remaining Battery ‘Fuel Gauge’, Time Weighted Average (TWA) sampling mode, 2 user defined timer programmes (9 on / off times) and onboard data logging for up to 100 runs with download capability to Casella Insight Data Management Software (see separate data sheet).

Intrinsically Safe:

All models within the TUFF range are I.S., and can be used where hazardous atmospheres are present such as flammable gases or dusts. Additional models are available which satisfy the stringent requirements of mining applications that are rated to ‘M1’ (available on TUFF 4 Pro only).

Available Accessories:

  • Low Flow Adapter Assembly
  • Three Way Charger

Flow Range

  • Low Flow Adapter: 5 to 850 mL/min (all models)
  • Tuff 3 Model: 0.5 to 3.5 L/min (free air)
  • Tuff 4 Model: 0.5 to 4.5 L/min (free air)

Flow Control Accuracy

< ±5% for selected flow, ±3% for calibrated point,

Inlet Pulsation Ratio

< 10% using Dewell Higgins Cyclone @ 2 L/min approx. 7.5 cm H2O. Satisfies EN1232 ,NIOSH 0600

Runs Stored

100 (Pro Versions Only)

Battery Voltage and Capacity

4.8 V NiMH / 2.7 Ah or 1.7Ah

Typical Charge Time

< 5 hrs from discharge


133 x 87 x 47 mm


480 g

Service Interval

Recommended 2500 hours

IP Ratings

Gasket Sealed Case IP54

Intrinsic Safety Approvals


Storage Environment

  • Temperature: -10 to +50ºC
  • Humidity: 30-95% RH (non condensing)

Operating Environment

  • Temperature: 5 to 45ºC
  • Humidity: 30-95% RH (non condensing)

Operating Duration

@ 2.0 L/min via 25mm GFA Filter: > 30 hours 2.7 Ah battery / > 20 hours 1.7 Ah battery


100 x 32 Graphics LCD

Casella Tuff Pump Manual902.09 KB