MDK-01/02/03 Digital Display SF6 Gas Density Switch

Description

• Ingress Protection: IP65 certified.
• Accuracy Class: 1.0 at +20°C and 2.5 between -20 to +60°C.
• Measurement Range: Supports -0.1 to 0.5 MPa and -0.1 to 0.9 MPa.
• Ambient Temperature: Standard -20 to +60°C, with low-temp options for -40°C and -50°C.
• Anti-vibration: Resists up to 20 m/s².
• Anti-impact: 500 m/s² for liquid-filled (FZ) and 300 m/s² for standard (F).
• Leakage Rate: Maximum permissible rate is 1 × 10⁻⁹ Pa⋅m³/s.

• Contact Type: Electric contact design.
• Contact Capacity: Rated for 30W / 50VAC with a maximum current (\(I_{\max }\)) of 1A.
• Insulation Performance: Built for 2kV at 50Hz and insulation resistance ≥ 100MΩ.
• Contact Resistance: Kept strictly ≤ 0.5Ω.

• Working Voltage: Operates on DC24V.
• Communication Mode: Supports 4 ~ 20mA (01) or RS485 (02).
• Communication Protocol: Utilizes ModBus (02).
• EMC Standards:
  • IEC 61000-4-2 (ESD): Level 4 (8kV / 15kV)
  • IEC 61000-4-3 (Field): Level 4 (30V/m)
  • IEC 61000-4-4 (Burst): Level 4 (± 4kV)
  • IEC 61000-4-5 (Surge): Level 4 (± 4kV)
  • IEC 61000-4-8 (EMC): Level 5 (100A/m)

• Standard Temperature: +20°C is used to represent standard SF₆ gas density values.