Brief introduction: The AR5 data collector is a multi-channel universal data collector with ultra-small size and ultra-low power consumption launched by AVALON company in the United States.It can be easily used in indoor warehouse, greenhouse environment automatic monitoring system.Common application systems include automatic weather stations, automatic soil temperature and humidity measurement system. Main parameters: Analog input channel: 8 single terminal or 4 difference; Voltage input range: 0 ~ 10mV, 0 ~ 20mV, 0 ~ 2.5v, 0 ~ 5V optional; Module (A/D) conversion accuracy: 12 bits; Input voltage resolution: up to 2.4 microns. Accuracy (25 ℃) : plus or minus 0.1% (0.05% + reading range); Pulse frequency input channels: 3; Pulse frequency input range: 0 ~ 900Hz; Sensor power supply excitation channels: 2, respectively 2.5v, 40mA; 5 v, 30 ma; Sampling time: as soon as 1s, any other interval is optional; Calculation channels: 11 linear operation channels; Memory: 128KB, maximum 512KB; Data transmission interface: RS232; Power supply voltage: 8 ~ 14VDC, with positive and negative polarity reverse connection protection; Power consumption: less than 0.3mA at dormancy and less than 3mA at sampling; Working temperature: - 40 ~ 80 ℃; Working humidity: 0 ~ 100% (no moisture condensation); Size: 124mm long * 56mm wide * 33mm high; Weight: 120g.
