ZHK-302 specification a pressure controller board, the technical parameters: Range: -0.1-0-100 (MPa) Power supply: 220VAC 18-30VDC Output Signal: Analog 4-20mADC 0-10 / 20mADC connection type: Radial Specifications : 70 × 50 × 43mm Ambient temperature: -20-70 ℃ Accuracy class: 0.2% FS 0.5% FS 0.25% FS two functions: 1. The scene shows two relay control + analog transmitter output. 2. Unique negative mV input signal range covers most of the pressure sensor. 3. You can connect a variety of sensors: strain gages, diffused silicon, ceramic piezoresistive. 4. Key adjusted to facilitate production. 5. industrial design, high precision. 6. quantities of high stability, maturity and stability.