Tired of guesswork when measuring low pressure? The Delta Electronics DPA01M-P is a digital pressure sensor that gives you exact readings from -100 to 100 kPa. It is built for machines that need reliable pressure data, so you can avoid costly shutdowns and product defects. If you have ever struggled with fluctuating pressure signals, this sensor is the answer you need.
Delta Electronics DPA01M-P, -100~100kPa, NPN Output, Digital Pressure Sensor
Many industrial and laboratory setups require precise low-pressure monitoring, but cheap sensors often drift or give noisy signals. Inaccurate data can lead to wasted material, failed tests, or unsafe conditions. This sensor solves the problem with a stable RS-485 interface, NPN digital outputs, and an optional analog output. It delivers 3 % full-scale accuracy and fast response times, letting you control processes with confidence.
Key Features
- Power supply 12-24 VDC 10 % (non-isolated).
- Two NPN or PNP transistor outputs, 30 V/100 mA max.
- Analog output 1-5 V or 4-20 mA, linear error < 2 % FS.
- Measurement range -100 to 100 kPa, durable up to 200 kPa.
- Accuracy 3 % FS, temperature inaccuracy 2 % FS.
- RS-485 interface for reliable data transfer.
- 2-line LCD display with three colour modes.
- Response times from 2 ms to 5 s selectable.
- Shock resistance 10-550 Hz, vibration up to 100 m/s.
- Humidity tolerance 35-80 % RH, altitude < 2 000 m.
Specifications
| Power Supply Voltage Range |
12–24 VDC ±10% (non-isolated) |
| Power Consumption |
40 mA max.; 60 mA max. (current output type) |
| Communication Interface (Communication Type Only) |
RS-485 |
| Pressure Type |
Non-corrosive gas, gauge type |
| Measurable Range |
|
| DPA01 |
-100 to 100 kPa |
| Maximum Durable Pressure |
|
| DPA01 |
200 kPa |
| Measurement Accuracy |
±3% of full scale |
| Temperature Inaccuracy |
±2% of full scale |
| Display |
|
| Setup Display |
2-line LCD display; 4 digits for measured value and 3.5 digits for setup display |
| Status Display |
LCD output status display |
| Display Mode |
3 colors for different modes |
| Display Cycle |
250, 500, 1,000 ms |
| Pressure Units |
|
| DPA01 (Low Pressure Type) |
kPa, kgf/cm², bar, psi, mmHg, inchHg |
| Display Resolution |
Displays to the first decimal place |
| Outputs |
|
| Number of Outputs |
2 NPN or PNP transistor digital outputs and 1 analog output |
| Transistor Output |
30 V / 100 mA max.; Drain voltage < 1.5 V |
| Analog Output |
1–5 V (minimum load resistance: 1,000 Ω); 4–20 mA (maximum load resistance: 400 Ω);
Linear inaccuracy < ±2% of full scale
|
| Response Time |
2, 4, 10, 30, 50, 100, 250, 500, 1,000, 5,000 ms |
| Output Inaccuracy |
Linear inaccuracy < ±2% of full scale |
| Shock Resistance |
10–550 Hz, 100 mm, 3 axes for 2 hours |
| Vibration Resistance |
Max. 100 m/s², 3 axes, 6 directions, 3 times each |
| Operating Ambient Temperature |
0 to 50°C |
| Storage Temperature |
-20 to 65°C |
| Operating Altitude |
< 2,000 m |
| Operating Relative Humidity |
35–80% RH (non-condensing) |
