Sales started in March 2014: Topcon Technohouse's successor to the handheld luminance meter 'BM-9A'

Topcon Technohouse Co., Ltd. has developed the "BM-9A," a successor to the handheld luminance meter "BM-9," significantly improving luminance accuracy and measurement range. Sales will begin in March 2014.
The luminance measurement range has been expanded from the previous model's 0.01 to 19,990,000 cd/m² to 0.01 to 28,000,000 cd/m², and the luminance accuracy guarantee has been improved from ±4% to ±2%. Additionally, like the previous model, it allows for the selection and exchange of three types of measurement angle light-receiving heads (2°, 1°, 0.2°), comes standard with USB communication and analog signal output functions, and has newly added a zero correction function without a cap, making it even more suitable for embedded applications as a "luminance sensor" in customers' production processes and various industrial devices.
By connecting an oscilloscope or similar device to the analog signal output, it is possible to measure response and flicker light. Furthermore, it can also be powered by AA batteries, allowing for the measurement of floor surface reflection luminance and the luminance evaluation of visual impairment guidance blocks outdoors. Additionally, measurement data collection via PC using the standard application software MT-100 is also possible.
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Handheld luminance meter BM-9's successor, lightweight and compact with a separate light-receiving part