● Aluminum alloy explosion-proof housing

   ● Standard with 4 switch input, 4 relay output

   ● Optional 4-20mA/0-10V analog output interface

   ◆ Input signal range: -39~+39mV

   ◆ A/D conversion: 24-bit Sigma-Delta analog-to-digital conversion

   ◆ A/D sampling frequency: 3.84kHz

   ◆ Sensor excitation voltage: DC5V/3.3V

   ◆ Display: 6-bit 1.2-inch word height, LED display

   ◆  Large-screen interface: current loop interface

       ◆ Display degree: ≤100000d

   ◆ Serial port: RS-232 interface, RS-485 interface (MODBUS-RTU protocol)

   ◆ Operating temperature: -10~+40℃

   ◆ Storage and transportation temperature: -25~+55℃

   ◆ Relative humidity: ≤85%

   ◆ Power supply: AC187-242V