Product Overview
SKC Model 222-3 Belt-Clip Personal Air Sampling Pump, Low-Flow Diaphragm Unit with Six-Digit Stroke Counter
Condition
Used, and offered as-is because operational status has not been verified. The brown molded case is intact with no cracks visible in the photos, and both gold nameplates are fully readable: PERSONAL AIR SAMPLER, SKC Inc., Eighty Four, PA 15330 U.S.A., Model 222-3, 0.490 ml/COUNT, Serial No. 1-010-17, UL Listed 124U. The six-digit mechanical counter photographs at 384831, so this unit did real service before it reached us. The aluminum flow-adjust plate shows fine scratches and driver marks on its two slotted screws, and there is light dark staining around the OUT barb under the yellow IN/OUT port label. The one-piece metal belt clip on the back is straight and not bent, its folded lip captured under the case edge, and the charge jack on the side edge is clean. Only the pump itself is pictured. No battery charger, tubing, or sample cassettes are included, and whether a cell remains inside the case is not confirmed.
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Product Overview
The SKC 222-3 is a portable low-flow diaphragm pump built for collecting gases and vapors in occupational and environmental sampling, from a manufacturer that has been making air monitoring gear since the 1960s. Instead of an electronic totalizer it uses a mechanical stroke counter, and the nameplate on this specific unit is calibrated at 0.490 ml per count, so sampled volume comes straight off the drum reading rather than a display. Air enters and leaves through two chrome bulkhead barb fittings on the top end, marked IN and OUT on a yellow port label, and flow is set through the recessed aluminum plate on the face. Our records list an adjustable range of 50 to 200 ml/min, a zero-leak valve system, and up to 10 hours of run time on a 2.4 V NiCad battery. The case measures 5.1 x 2.5 x 1.25 in and weighs roughly 12 oz, with a one-piece metal belt clip on the back for wearing it on a worker through a full shift. The nameplate rates the pump intrinsically safe for Class I, Groups A, B, C and D locations and carries UL Listed 124U.
Key Features
- Nameplate calibration: 0.490 ml per count, read from a six-digit mechanical stroke counter
- Counter as photographed: 384831
- Serial No. 1-010-17, SKC Inc., Eighty Four, PA 15330 U.S.A.
- Flow range: 50 to 200 ml/min per our listing records, not verified by test
- Battery: 2.4 V NiCad rechargeable, up to 10 hours run time per our records; no battery confirmed present in this unit
- Zero-leak valve system for airtight sampling
- Intrinsic safety marking on the nameplate: Class I, Groups A, B, C and D, UL Listed 124U
- CE certification appears in our older listing records but no CE mark is visible on the nameplate in these photos; verify before relying on it
- Chrome IN and OUT bulkhead barb fittings on the top end under a yellow port label
- Charge jack on the side edge; nameplate warns against charging in hazardous locations
- One-piece bent metal belt clip on the back for personal, worn monitoring
- Size: 5.1 x 2.5 x 1.25 in, weight about 12 oz
Applications
- Industrial hygienist rebuilding a low-flow sampling kit around a known SKC platform rather than a new instrument
- Safety instructor who wants a real belt-worn pump on the table when teaching personal exposure sampling
- Instrument technician pulling a matching housing, counter drum, belt clip, or barb fitting to keep another 222-series pump running
- Collector of American-made occupational monitoring equipment from the mechanical-counter era
Frequently Asked Questions
What exactly do the labels on this pump read?
The upper gold label reads PERSONAL AIR SAMPLER, SKC Inc., Eighty Four, PA 15330 U.S.A., Portable Air Sampling Pump for use in hazardous locations, Class I, Group A, B, C, and D Intrinsically Safe, with warnings not to charge in hazardous locations and that substituting components may impair intrinsic safety, plus UL Listed 124U. The lower label reads Model 222-3, 0.490 ml/COUNT, Serial No. 1-010-17.
Has this pump been tested, and what does the counter show?
It has not been tested. We are selling it as-is on its physical condition only. The six-digit mechanical counter reads 384831 in the photographs, which is the accumulated stroke count from its previous working life, not a fresh zero.
Is it intrinsically safe, and is it CE certified?
The nameplate states intrinsic safety for Class I, Groups A, B, C and D and shows UL Listed 124U. Our earlier listing text also described the model as CE certified; no CE mark is visible on this unit's nameplate in these photos. If certification status matters for your application, verify it against SKC documentation for the 222-3 before putting it into service.
What comes with it?
The pump body with its belt clip, exactly as photographed. No charger, no tubing, no sorbent tubes or filter cassettes, and no battery is confirmed inside the case. Plan on sourcing the accessories and having the unit checked before any sampling work.
Why buy a single unit like this from PartsMine instead of a bulk surplus lot?
Because you probably need one pump, not a pallet of them. We sell the exact quantity you need, whether that is one instrument or two small parts, instead of forcing a lot of 10 or 50. Shipping is $8 flat rate and free over $28, so for a small order the total usually lands well under what a forced-quantity lot costs, and it goes out the same or next business day from Idaho.
The counter on this one stopped at 384831, a working life tallied out half a milliliter at a time in somebody's hygiene program. What it counts next, and whether it counts at all again, is yours to decide.
