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Metone公司是一家在研究，开发和气象仪器、微粒监测、数据记录器和环境的软件制造的领导者之一，是美国最古老的仪器生产商之一，项目包括从亚洲到中东国家，以及在美国和国际间提供可吸入颗粒物的监测，为整个气象监测网络做出了重要贡献。现场培训和完整的最终用户满意度调试一直是目标。民营企业，科研机构，大学，军事和家庭防御组织，以及各级政府环保机构都是Metone公司的重要客户。
The BT-620 is a compact, battery-operated particle counter with six selectable size channels, an integrated printer, and housed in a portable stainless-steel case. The device’s flow rate is 1.0 CFM (28.3 LPM) and is maintained with volumetric flow control for improved accuracy. This benchtop particle counter has a large, easy-to-read display, audible alarms, and an internal printer that work together to verify particulate levels. If the particle count exceeds the user’s 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.
Ideal for use in cleanrooms, the BT-620 was designed to easily integrate with existing building automation systems, facility software, processors, or may be used as a standalone unit.
CONVENIENT FOR CLEANROOM COMPLIANCE
The BT-620 particle counter is convenient for compliance with 21 CFR Part 11, designed with a password feature to prevent unauthorized changes to the user settings. The unit is also compliant with ISO 14644-1, and ISO 21501-4 with an upgraded calibration.
USER-FRIENDLY
The BT-620 offers intuitive navigation with an ultra user-friendly interface. Each of the six channels may be individually set by the operator from 0.3 to 10 microns without requiring custom calibration. In addition to user-selectable sizes, the instrument features user-adjustable sample time, user-identifiable location IDs, and stores over 8,000 sample events.
Sample history events may be viewed or printed and downloaded to a computer using Met One’s ParticleView or Comet software, or simple ASCII terminal commands. Real-time monitoring is available with an optional software upgrade to ParticleView RT. The unit easily integrates into MODBUS multi-drop networks and facility software. 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.
The Printer offers 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.
A plug-and-play option can immediately add ambient temperature and relative humidity capabilities to displayed and logged data.