electrical-pneumatic positioner
QZD electrical-pneumatic converter
The function of QZD electrical-pneumatic converter is: which can transfer output signal into gas signalCharacteristics as below: 1. With composite explosion-proof function, 2. Compact structure, reliable precision, 3. Simple in adjustment, 4. Easy installation for each pneumatic actuator |
Technical parameters and performance |
Input signal: 4~20mADCOutput pressure: 0.02~0.1MPa(0.2~1.0kgf/cm2)Impedance: 300±10Ω(signal 20mA,1000±30 signal 0~10mA)air source pressure: 0.14MPa (1.4kgf/cm)2Basic error: ≤±1% ( percentage within output pressure) Return difference: ≤1%(percentage within output pressure) Dead band: less than 1/5 of basic error Air consumption: <1000L/h(under standard condition) Ambient temperature: -35~+60°C(Intrinsically safety: -40~+60°C flameproof: -20~+60°C)insulaion resistance: ≥20MEx type: d. flameproof e. Increased safety type i. Intrinsically safety typeAir source joint: M10×1 connection brass Φ6×1(Φ8×1)Power joint: G1/2(M22×1.5)Material of housing: aluminium alloyOutline size: 203×160×105MMWeight: 2.8KG |
electrical-pneumatic positioner