Measure test corporation presents met one’s model 3313 and model 3315 airborne particle counters from pacific scientific instruments, united states. These deliver a 1.0 cfm sampling rate with either 0.3-micron sensitivity [3313] or 0.5-micron sensitivity [3315]. Operating from either ac mains or batteries, the 3300 series can cater continuous monitoring of clean areas, storing up to 2000 readings in its memory buffer. The stored data can be reviewed on the front panel, printed, or downloaded to a computer. The built-in printer is standard. All six channels are displayed at the same time on the front panel display, plus optional environmental sensor data, such as relative humidity, temperature or air velocity. Alarms can be set for all measurements. The operator can review stored records by using the scrollable display. Both iso 14644-1 and federal standard 209e calculation modes are included, allowing stored data to be analysed to either standard. The enclosures can be either aluminium for lightness [less than 8 kg] or stainless steel for environmental and chemical compatibility.
