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| Item | Daily | Weekly | Monthly |
|---|---|---|---|
| Met One ES-642 Remote Particulate Monitor | $135 | $315 | $900 |
| Add to Cart | Add to Cart | Add to Cart | |
| Met One ES-642 Sharp Cut Cyclone PM2.5 | $28.15 | $65.65 | $187.50 |
| Add to Cart | Add to Cart | Add to Cart | |
| Met One ES-642 Sharp Cut Cyclone PM10 | $26.25 | $61.25 | $175 |
| Add to Cart | Add to Cart | Add to Cart |
It includes an LCD display to provide information about particulate concentration, flow rate, instrument status and power. The electronics and optical system are protected from moisture by a built-in intake heater that is humidity level controlled. The heater power is regulated to maintain a minimum humidity level. Additional features include a purge air system and an automatic zero calibration routine.
The sensor can be wall mounted or installed on a vertical mast up to 3 inches in diameter. The ES-642 is supplied with a 10 foot cable and connector for power (15 to 40 VDC) and signal output.
The ES-642 measures particulate concentration using a highly sensitive forward scatter laser nephelometer, having a measurement range of 0 to 100 mg/cubic meter or 0 to 100,000 ug/cubic meter. Optional sharp-cut cyclones are used to set the measurement level of the ES-642.
As supplied it provides particulate monitoring for TSP. With the addition of the sharp-cut cyclone it can be set for particulate smaller than PM10 or smaller than PM2.5, or PM1. The accuracyof the instrument is +/-5% based on a traceable PSL 0.6 micron reference standard.