G16 Smoke Density Monitor
Ver.2.4 – Revision March 2022 7
1.2 Inquiries and Feedback
All claims and inquiries for spares shall be addressed to Green Instruments A/S or our
distributors. In all correspondence or when ordering spare parts, please carefully state the
equipment type and serial number, which can be found on the label on the equipment.
Green Instruments A/S appreciates all feedback and suggestions for improvement. If any
questions appear or any discrepancies can be found in this manual, kindly contact Green
Instruments:
Green Instruments A/S
Erhvervsparken 29
DK-9700 Brønderslev
Denmark
Phone: +45 9645 4500
Fax: +45 9645 4501
Email: spares@greeninstruments.com
Web: www.greeninstruments.com
1.3 About the System
1.3.1 System components
As a standard configuration, the G16 Smoke Density Monitor consists of the following
standard elements:
Control and Monitoring Unit (HMI)
The control and monitoring unit is arranged with a touchscreen, connection terminals and
cable glands. The control and monitoring unit can be configured to monitor up to 2 trans-
ceivers.
Transceiver/Reflector Unit
• A G16 Smoke Density Monitor can be configured with up to 2 Transceiver/Reflector
Units. Each transceiver/reflector unit consists of:
• A G16 transceiver module assembly, which contains the laser source, optical compo-
nents, electronics, and data processing capacity. The transceiver controls and shapes
the laser beam projected across the measuring area to the reflector assembly and
measures the light attenuation when the light is reflected.
• An air module, which provides a purge air boundary between the process and the opti-
cal area and serves two main purposes: (i) Avoiding soiling of the optical parts from
the exhaust gases. (ii) Thermal protection of the instrument against exhaust gases.
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