The SEFRAM DAS 240 is a multifunction recorder from Sefram company. It can simultaneously measure 200 analog signals, including voltage, temperature, resistance, current, etc. It can also record 20 logical signals and output 4 alarm signals. It has 4 logical function inputs, which can count and measure frequency. The recorder is equipped with a 10-inch full-screen touch screen, 32GB internal storage, and supports USB, Ethernet, and WiFi interfaces.