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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。

Carbon monitoring on a granular scale has never been more affordable, opening up an array of opportunities that were previously economically out of reach for many applications.

Introducing the GROUNDBREAKING Met One Instruments, Inc. C-12 Portable Carbon Monitor. This revolutionary device measures and reports the concentration of black carbon “BC” continuously with a 1-minute time resolution.

Using the principle of optical attenuation of 880 nm near-infrared light through filter media upon which particulate matter containing BC deposits in real-time, the C-12 has the capability of making more than 1,000 filter advances, meaning that this sensor can operate unattended for more than two months.

The C-12 is an industrial-grade device, providing the user with an array of diagnostic information in real-time that will allow them to monitor its performance continuously. Although it is inexpensive compared to other commercially available carbon monitors, one can expect its operating life to be more than ten years.

The C-12 Portable Carbon Monitor is self-contained, eliminating the need for an expensive, space- and power-consuming environmental shelter. Instead, the device sets up in a matter of minutes virtually anywhere. Because of its modest sampling rate (1 LPM), the C-12 can easily be operated off modestly-sized solar panels in most regions. It comes standard with an AC power adapter.

The standard configuration of the C-12 enables the user to measure and report the BC (880 nm illumination) concentration with sensitivity better than 70 ng/m³ at 1-minute time intervals.

Equipped with an integrated CCS+ COMET Cloud modem, the data is available in real-time on a customized webpage dashboard. The C-12 Portable Carbon Monitor samples total suspended particulate matter “TSP” and, if desired, the user may opt to mount the C-12 onto an optional tripod for rapid, flexible deployment. Pole-mount is optional.

The groundbreaking new C-12 has a low initial acquisition cost and low ongoing operational costs.

With a standard sampling rate of 1 LPM, the unit may be flow-checked and flow-calibrated using most commercially available flow calibrators such as those used to support governmental air quality surveillance systems. An optional flow calibration system may also be purchased to support operation. The C-12 employs the same span calibration value (MACS) used by the Met One Instruments, Inc. Model BC-1054, Model BC-1060, and other commercially available tape-based carbon measurement devices (Aethalometer).