IP65 Digital Differential Pressure Sensor for HVAC system
Brand Name:KeramControls
Certification:CE
Model Number:KDP210
Minimum Order Quantity:10
Delivery Time:7-10days
Payment Terms:T/T, L/C
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Nanjing China
Address:
Suite 701, East Tower of Jin Run Intl Plaza, No.81, Nanxijiang Dong Street, Nanjing, China
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Product Details
Digital differential pressure sensor
Description
The working principle of the micro-differential pressure sensor The
two pressures of the micro-differential pressure sensor enter the
high and low pressure chamber and act on the isolation diaphragms
on both sides of the element . They are transmitted to both sides
of the measuring diaphragm through the isolation diaphragm and the
filling liquid in the element. The measuring diaphragm and the
electrodes on the insulating sheets on both sides form a capacitor.
When the pressure on both sides is inconsistent, the displacement
of the diaphragm is measured, and its displacement is proportional
to the pressure difference, so the capacity on both sides is not
equal. It is converted into a signal proportional to the pressure
through oscillation and demodulation. The working principle of
pressure transmitter and absolute pressure transmitter is the same
as that of micro differential pressure sensor. The difference is
that the low-pressure chamber pressure is atmospheric pressure or
vacuum pressure. The A/D converter converts the current of the
demodulator into an analog signal used by the microcontroller to
judge the input pressure value. The microprocessor controls the
operation of the transmitter. In addition, it linearizes the
sensor. Reset the detection range. Calculate engineering unit
conversion, damping, opening, sensor trim, diagnosis and digital
communication.
Feature
- Ranges from -25/+25Pa to -10000/+10000Pa (according to models)
- Auto zero manual calibration
- Voltage, current, digital signal output
- Standard accuracy <±1% FS
- IP65 house protection
Application
- HVAC system
- Pharmaceutical clean rooms
- Electronic clean rooms
- Medical clean rooms
- Commercial buildings
- Public transport hub
Technical data
| Model | KDP210 |
| Measurement Units | Pa,mmH2O,inWG,mmHG,KPa,mbar |
| Accuracy | <±1% FS@-5 to +65℃ |
| Response Time | 0.5s |
| Repeat Stability | ±0.01 % at FS /Year |
| Resolution | 0.1 Pa; 0.1 mmH2O; 0.01mbar; 0.01mmHG |
| Media | Air and neutral gases |
| Operating Temperature | -20…+70℃ |
| Storage Temperature | -40…+60℃ |
| Power Consumption | ＜1.5W |
| Tolerated over pressure | x15 |
| Power Supply | 16~30VAC/DC (3wire) / 18~30VDC (2wire) |
| Output Signal | 4-20mA(2wire) |
| 4-20mA(3wire) | |
| 0~5V/0~10VDC(3wire) | |
| RS-485 | |
| Customized | |
| Auto Zero | Manual calibration |
| Housing Material | PC&ABS,UL94V-0 |
| Protection Class | IP65/NEMA4 |
| Display | Backlight LCD display |
| Cable Gland | M16*1.5 |
Dimension(mm)
Measuring range adjustment
Output setting(3 wire Model)
Manual Zero-point correction
Ordering guide
KDP210-Range-display-output
| Model | Ranges | Display | output | |||
| KDP210 | -100~+100Pa | (1) | LCD backlight | (D) | 4-20mA(2 wire) | (E) |
| -1000~+1000Pa | (2) | 4-20mA(3 wire) | (F) | |||
| -2000~+2000Pa | (3) | 0-5/0-10VDC (3 wire) | (G) | |||
| -10000~+10000Pa | (4) | RS-485 | (H) | |||
| Customized | ||||||
IP65 Digital Differential Pressure Sensor for HVAC system
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