Product Introduction:
PPM-T428 series pressure transmitter adopts piezoresistive OEM
sensitive components imported from Germany and is precision
packaged in a stainless steel housing. It has the characteristics
of high accuracy, high sensitivity, corrosion resistance, wide
operating temperature range, long life and high cost performance.
Designed for air and water applications, more and more used for
constant pressure water supply, environmental protection equipment,
gasoline and diesel engine pressure, air conditioning cooling
pressure, industrial equipment pressure measurement.
Applications :
Water supply, boiler, environmental protection equipment,
fireplace,Valves and compressors, booster pumps ,
Electro-hydraulic servo systems and equipment, agricultural
machine, Engine, internal combustion engine,
diesel engine, heat generating unit, steam turbine, water turbine,
locomotive braking system,
Hydraulic and pneumatic control equipment, industrial process
detection and control.
Technical Parameters :
| Measured medium: | gas, liquid and steam (non-corrosive fluid to 316L stainless steel) |
| Pressure type: | sealed reference pressure, ventilator pressure |
| Pressure Range: | 0 ～ 1bar, 6bar, 10bar, 0 ～ 16bar… 60bar |
| Power supply: | 9-32VDC |
| Built-in amplifier output: | 4 ～ 20mA, 0 ～ 10VDC, 0 ～ 5VDC, 1 ～ 5VDC, 0.5 ～ 4.5 VDC |
| Accuracy : | 0.5% FS 1% FS |
| Long-term stability : | 0.25% FS / year |
| Working medium temperature: | -40 ～ + 85 ℃ |
| Working environment temperature: | -40 ～ + 75 ℃ |
| Zero temperature drift: | ≤0.03% FS / ℃ |
| Sensitivity temperature drift : | ≤0.03% FS / ℃ |
| Response time : | ≤1ms (10% ～ 90%) typical value |
| Insulation resistance: | ≥1000 MΩ / 100V |
| Safe overload pressure: | 150% FS (1.5 times full scale) |
| Breaking pressure: | 500% FS (5 times full scale) |
| Connection method: | M20 × 1.5 external thread, G1 / 4 external thread, G1 / 2 external
thread |
| Enclosure protection class : | IP54 |
| Electrical output lead : | M12 × 1 connector, DIN43650 connector (Hirshmann connector) |
Definition of wiring:
| Hirschmann Connector |
| 2-wire system | 3-wire system |
 | Power supply | 1 | 1 |
| Negative power | 2 | 2 |
| Signal positive | 一 | 3 |
Dimensions in mm :
