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Features
- Reliable for STEL, Ceiling, and TWA sampling
- Up to ten hours of continuous sampling on a single battery charge
- Maintains constant sampling rate
- Exhaust port for bag sampling
- Adjustable flow rate control
- Compact and lightweight ?5.1 x 2.5 x 1.3 in (13 x 6.4 x 3.3 cm), 12 oz (340 gm)
- Tamper-resistant control cover
- Simple to use and easy to repair
- Recessed controls for use with or without cover
- UL Listed for intrinsic safety
- Durable, shock-resistant case includes rugged belt clip
The usa 222 low flow sample pumps have long been recognized as the most dependable and durable pumps in the industry. These miniature diaphragm-type pumps are ideal for on-worker or area sampling of gases and vapors in air. Using reliable stroke counter technology, the 222 low flow pumps offer both a suction port for sorbent tubes and a pressure port for sample bags. sample pumps have special patented valves that close positively; this is important because the heart of any pump is its valves. With over 25 years of use in the industry, the 222 low flow pumps have demonstrated their reliability.
Performance Profile
| Flow Rate |
222-3: 50 to 200 ml/min
222-4: 20 to 80 ml/min |
| Operation Time |
10 hours on one battery charge |
| Battery |
Rechargeable NiCad
Caution: Intrinsic safety is invalid without an SKC-approved battery |
| Battery Regulator |
Regulator holds voltage constant |
| Counter Readout |
Digital readout of pump strokes up to 6 digits |
| Valves |
"Zero-leak" valves |
| Pumping Action |
Diaphragm |
| Operating Temperature |
32 to 113 F (0 to 45 C) |
| Charging Temperature |
32 to 113 F (0 to 45 C) |
| Storage Temperature |
-4 to 113 F (-20 to 45 C) |
| Case |
Sturdy, lightweight plastic |
| Dimensions |
5.1 x 2.5 x 1.25 in (13 x 6.4 x 3.2 cm) |
| Weight |
12 oz (340 gm) |
| Approvals |
UL Listed for intrinsic safety; Class I, Groups A, B, C, and D
CE marked |
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