Spi

Hi,

I have a Sensor Device with 8 Channels B6TS-08NF that commuicate with SPI, I require 3 Pins SCK ,MOSI and MISO.
But my Problem is this Device dont have Chip select Pin or something else ,how can I use 2 or more DEVICE on one SPI Line?
While I nee more than 8 Channels!
Thank you for any Answer.

Regard Pesti.