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This series of micro differential pressure transmitter adopts
piezoresistive pressure sensor chip, and uses the film resistance
on the substrate to carry out zero point correction, zero point
temperature compensation and sensitivity compensation. The
high-performance and stable silicon chip package makes it high
static pressure resistance, anti-interference, stable and reliable.
Therefore, the product can be applied to the micro differential
pressure field combination of various gas measurement. It is an
ideal micro differential pressure measuring instrument in the field
of industrial automation. > >
> >
Measuring medium: gas (compatible with contact material, humidity
< 90%, no condensation)
Overall material: shell ABS engineering plastic
Diaphragm silicon chip (contact)
Silicone for impulse pipe (contact)
Φ 6 pagoda mouth H59 copper (contact)
Cable locking head nylon (locking wire diameter 5-8mm)
LCD display without backlight
Pressure mode: differential pressure
Output signal: 4-20mA, RS485
Power supply voltage: 12-36vdc
Accuracy class: 0.5% FS (range ≥ 1kPa) 1% FS (range < 1kPa)
Working conditions: medium temperature - 40-100 ℃
Ambient temperature - 40-85 ℃
Temperature compensation: - 10 ~ 60 ℃
Seismic performance: 10g (20... 2000Hz)
Response frequency: ≤ 50Hz
Stable performance: ± 0.3% FS / year (range ≥ 1kPa) ± 0.5% FS /
year (range < 1kPa)
Temperature drift: ± 0.03% FS / ℃ (within the temperature
compensation range)
Overall weight: with display ≈ 150g, without display ≈ 130g
Protection grade: IP65
Upper power limit: current type ≤ 0.02us (W)
Digital type ≤ 0.015us (W)
Note: US = supply voltage
Load characteristics: current type load ≤ {(us-7.5) ÷ 0.02 (US
=supply voltage)} Ω > >
> >
a) Integrated chip, wide voltage power supply
b) Frequency intercept design, strong anti-interference ability and
lightning protection
c) Current limiting, voltage limiting, reverse connection
protection (current limiting output)
d) High precision and stability
e) Self correcting zero point > >
Medical equipment
HVAC
Industrial control
Building automation > >