Digital Differential Pressure Transmitter

Plastic material 
Range:(-1000:1000 pa) /(- 100:100 pa) 
power supply:16~30vdc
storge Temp:-20c~70^C
Protection grade:IP65
Accuracy:+_1%FS
Control output:2SPDT Relayes+1 Buzzer
output :Modbus 485/4:20 Ma ,+0:10 VDC ,back inlet