RB4OO Series Paperless recorder,  it is quality assurance instrument, which records temperature, pressure, flow, humidity, all kinds of industrial signals, which data values can be stored and sent to central control room via Ethernet, RS-485, 422, 232 communication. The user may read real-time values & historical trends through its PC software. These instruments have been widely used in industries of chemical, R&D, pharmaceutical, electronics, medical, automotive, military/aerospace, electrical & gas utilities, water/waste, heat treating, food/beverage/dairy, pulp & paper, petrochemical metals, natural gas, semiconductors, etc. Compared with other ones, we offer bigger display, better resolution, more analog inputs, plus many other good features in the followings.