SJ-PM-TFmini Plus-T-01 A01
Benewake (Beijing) Co. Ltd.
Page7
2 Description
2.1 Product description
TFmini Plus is a milestone of Benewake in the process of promoting the cost-effective -LiDAR. Apart from
low-cost, small-size and low-power-consumption, TFmini Plus also improves the frame rate, introduces
IP65 enclosures and optimizes various compensation algorithms. These new characters greatly expand the
application fields and scenarios of TFmini Plus.
2.2 Principle of Distance Measurement
TFmini Plus is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation
wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product
obtains the time of flight by measuring round-trip phase difference and then calculates relative range
between the product and the detection object, as shown in Figure1.
Figure 1 Schematics of TOF Principle
2.3 Key Characteristic Parameters
Table 1 Key Characteristic Parameters of TFmini
Description Parameter value
Operating range
0.1m~12m
①
Accuracy
±5cm@（0.1-6m）
②
±1%@（6m-12m）
Measurement unit
cm
Range resolution
5mm
FOV
3.6°
③
Frame rate
1~1000Hz（adjustable）
④
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