GREAT SYSTEM INDUSTRY CO. LTD
GREAT SYSTEM INDUSTRY CO. LTD, since 1998, focus on industry automation instruments and sensors
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Description:
Technical Data
Input
Signal range
0...20 mA or 4...20 mA
0...10 mA or 10...20 mA or 4...12 mA or 12...20 mA
(other ranges on request)
Input resistance
Ri = 260 ohms at 20 °C, Tk + 0.4 %/K
Overload limit
30 mA (refer to specifications under “Explosion protection”
for devices with explosion protection approval)
Capacitance/Inductance
negligible
Output
Signal range
0.2...1 bar or 3...15 psi
0.4...2 bar or 6...30 psi
(other ranges on request)
Air capacity (max.)
≥ 5 kg/h = 4.1 Nm3 /h = 2.4 scfm
Load characteristic to VDE/VDI 3520
≥ 0.95 kg/h = 0.9 Nm3 /h = 0.5 scfm
Air supply
Instrument air
free of oil, water and dust to DIN/ISO 8573-1
pollution and oil contents according to Class 3
dew point 10 K below operating temperature
Supply pressure
1.4 ± 0.1 bar or 20 ± 1.5 psi (for output signal 1 bar or 15 psi)
2.5 ± 0.1 bar or 40 ± 1.6 psi (for output signal 2 bar or 30 psi)
Air consumption
≤ 0.2 kg/h = 0.16 Nm3 /h = 0.1 scfm
Transmission data and influences
Characteristic
linear, direct or reverse action
Deviation
≤ 0.5 %
Hysteresis
≤ 0.3 %
Dead zone
≤ 0.1 %
Temperature
≤ 0.5 % / 10 K between -20 and +85 °C
≤ 2 % / 10 K between -55 and -20 °C
Air supply
≤ 0.3 % / 0.1 bar pressure variation
Mechanical vibration
≤ 1 % up to 10 g and 20...80 Hz
Seismic vibration
meets requirements to DIN IEC 68-3-3 class III for strong and
strongest earthquakes