A 2 L/min precision cascade impactor for collecting size-fractionated particle samples for gravimetric and/or chemical analyses
Made in USA. brand TSI, model 135
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The Model 135 Mini-MOUDI impactors can have 6, 8 or 10 stages, operating at a sampling flow rate of 2 L/min for a variety of sampling applications. The Mini-MOUDI impactor has stages available with cut-point diameters of 0.056, 0.10, 0.18, 0.32, 0.56, 1.0, 1.8, 3.2, 5.6 and 10 μm.
For a Model 135 stage, half of the area is the impaction plate for the stage above while the other half contains the nozzles for that stage. Subsequent stages alternate in orientation so that there is always an impaction surface below each set of nozzles. This arrangement allows for a very compact cascade impactor design (Figure 2).
The Model 135 impactors can accept a variety of sampling substrates, including aluminum foils, thin plastic films and membrane filters. The substrates are 37-mm in diameter with a semicircular hole in one half of the substrate (Figure 3).
The stages are designed to prevent cross-flow interference between adjacent nozzles. The result is sharp cut-size characteristics not available with other cascade impactors that are less well designed aerodynamically (Figure 3).
The Models 135-6 and 135-8 can be used with personal sampling pumps since they have a low pressure drop. The Model 135-10 requires a vacuum pump due to the larger pressure drop associated with the last two stages.
Applications
Features and Benefits
| Model 135-6 | Model 135-8 | Model 135-10 | |
|---|---|---|---|
| Impactor Stages | 6 | 8 | 10 |
| Pressure Drop, kPa (w/o final filter) | 2.5 | 10 | 40 |
| Cut-point diameters, μm | 0.56, 1.0, 1.8, 3.2, 5.6, 10 | 0.18, 0.32, 0.56, 1.0, 1.8, 3.2, 5.6,10 | 0.056, 0.10, 0.18, 0.32, 0.56, 1.0, 1.8, 3.2, 5.6, 10 |
| Dimensions (D x H) | 66 x 62 mm | 66 x 77 mm | 66 x 85 mm |
| Weight (total) | 0.225 kg (0.50 lb.) | 0.325 kg (0.72 lb.) | 0.415 kg (0.91 lb.) |
| Vacuum Pump | 4.8V, 2.15 A-h NiMH battery | 4.8V, 2.15 A-h NiMH battery | 115 or 230 VAC, 50-60Hz, 0.07 kW |
You can request the necessary certificates, documentation, instructions and user manuals for TSI 135 using the special form.
You can buy TSI 135 in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. TSI 135 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
See also: Cascade Impactors
