applications: cleanroom monitoring/certification medical device mfg. filter testing hospitals whatever your particular needs , the right choice is only natural. food / beverage aerospace assembly cosmetic manufacturing rev apr. 2014 BT-620 bench-top particle counter the BT-620 is a compact battery operated particle counter with six selectable size channels, built-in printer, housed in a portable stainless steel case. flow rate is 1.0 cfm (28.3 lpm) and is maintained with volumetric flow control for improved accuracy. simple operation the BT-620 has a large easy to read display, audio alarm, and internal printer that work together to verify particulate levels. if the particle count exceeds the users pre-set limit, the audible alarm will sound and the screen display, sample history and printout will indicate an alarm event. two programmable count alarm limits may be set. user selectable sizes each of the six channels may be individually set by the operator from 0.3 to 10 microns. custom calibrations are not required. data storage and connectivity the BT-620 stores over 8,000 sample events. sample history events can be viewed or printed and downloaded to a computer using particle view software or simple ascii terminal commands. connectivity is built-in for both digital (ethernet, usb, rs-232, rs-485) and analog output (0-5 vdc). the BT-620 also includes a memory stick port. printer the printer has two modes of operation. print sample: prints sample data at the end of each sample including alarm, date, time and location. recall data: prints all sample data from first selected date and time to second selected date and time. portable desk top the BT-620 provides 6 particle sizes, built-in printer and battery operation in a compact stainless steel case. the built-in battery provides over 8 hours of typical (intermittent) operation or 4 hours continuous operation. connect the ac adapter/charger for longer operation and battery charging. temperature / relative humidity option a plug-and-play option can immediately add ambient tempera- ture and relative humidity capabilities to displayed and logged data .
BT-620 1600 w ashington blvd., grants pass, o r 97 5 2 6 t el : 541.471.711 1 | fax : 541 . 471.711 6 e-mail : handhelds@metone.co m | ww w .metone.co m specifications performance particle size range 0.3m - 10m, 6 channels calibrated sizes 0.3 m, 0.5m, 1.0m, 2.0m 5.0m and 10m user size settings 0.1m steps from 0.3m - 2.0m 0.5m steps from 2.0m - 10m concentration range 0 ? 6,000,000 particles per cubic foot (over 20m particles/m3) accuracy 10% to calibration aerosol sensitivity 0.3 m flow rate 1.0 cfm (28.3 lpm) sample time adjustable: 1 to 999 seconds hold time adjustable: 0 to 999 seconds electrical light source laser diode, 90mw, 780 nm power 14.8v li-ion self-contained battery pack battery operation up to 8 hours typical or 4 hours continuous full recharge approximately 3 hours ac adapter/charger li-ion charger, 100 ? 240 vac @ 1.2a to 16.8 vdc @ 3.5a communications usb, rs-232 or rs-485 standards meets iso 21501-4 interface display 20 character x 4 line lcd keyboard 8 key membrane type physical size height = 10.1" (25.7 cm) with handle = 11.6" (29.5 cm) width = 8" (20.3 cm) depth = 9.5" (24.1 cm) weight 13.9 lbs (6.3 kg) environmental operating temperature 0o c to +40o c storage temperature -20o c to +60o c accessories supplied operation manual (pn BT-620-9800) usb cable (pn 500784) comet software (pn 80248) particle view software (pn particle view) battery charger (pn 81751) iso-kinetic sample probe (pn 81752) zero particulate filter (pn 81754) printer paper - 2 rolls (pn 750514) optional rh & temperature probe (pn g3120) flow meter (pn 81755) serial cable (pn 550065) iso 21501-4 calibration (pn 80849)
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