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The products of qzd1000 series electrical converters supplied by Changyang instruments include: qzd-1001; qzd-1000; qzd-1000b; qzd-1001i; qzd1000 series electrical converters are signal conversion elements between electric and electric instruments in industrial automation instruments. It is used to convert the current signal 4-20mA or 0-10mA output from the electric regulating instrument into 20-100kpa pneumatic analog signal through the converter.
QZD-1000A Type Electro-Pneumatic Converter
Main Specifications
|
Type |
Input Signal (mADC) |
Supply Pressure (MPa) |
Structure of Explosion-protection |
|
QZD-1000A |
4~20 |
0.14 |
Standard type |
|
QZD-1000A-d |
4~20 |
Flameproof type (dⅡBT4) |
|
|
QZD-1000A-i |
4~20 |
Intrinsic Safe type (iaⅡCT5) |
|
|
QZD-1001A |
0~10 |
Standard type |
|
|
QZD-1000A-d |
0~10 |
Flameproof type (dⅡBT4) |
Linearity： ≤±1％
Hysteresis Error：≤1％
Dead Band： ≤0.2％
Air Consumption：≤1.5Nm3/h
Input Resistance：250±10Ω (4~20mA)
1000±30Ω (0~10mA)
Insulation Resistance：≥20MΩ
Transmitting Time： ≤4S (Air piping:Φ6×1mm, Length 60m)
Temperature Effect： ≤0.8％/10℃
Control Action： Direct Action, Reverse Action
Ambient Temp.： -25~55℃ (Standard Type)； -25~40℃ (Explosion-protection Type)
Relative Humidity：5％~100％
Air Connection：M10×1
Conduit Connection：M20×1.5
