Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa PDV-50GA PDV-A Minute Differential Pressure Transducer
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: PDV-50GA
Minute Differential Pressure Transducer PDV-A has diffusional semiconductor strain gages on a silicon diaphragm.
It is suitable for wind-pressure measurement.
Features
• High frequency response
• High sensitivity
• Noise resistant
• Voltage output of ±5 V
• Compact & lightweight
Specifications
Performance
| Rated Capacity | 5 kPa |
|---|---|
| Nonlinearity | Within ±0.5% RO |
| Hysteresis | Within ±0.3% RO |
| Rated Output | 5 V |
| Rated Output Accuracy | Within ±1.5% RO (Sensitivity error due to load direction) |
Environmental Characteristics
| Safe Temperature | -20 to 70ºC |
|---|---|
| Safe Humidity | 20 to 85% (At 0 to 50°C) |
| Compensated Temperature | 0 to 50ºC |
| Temperature Effect on Zero | Within ±0.08% RO/ºC |
| Temperature Effect on Output | Within ±0.08%/ºC |
| Pressure Medium | General air (Non-corrosive gas) |
Electrical Characteristics
| Load Resistance | 5 kΩ or more |
|---|---|
| Power Supply | 12 VDC (11 to 15 V), 30 mA or less |
| Cable | 4-conductor (0.05 mm2) chloroprene shielded cable, 3 mm diameter by 3 m long, bared at the tip |
Mechanical Properties
| Safe Overloads | 300% |
|---|---|
| Maximum Line Pressure | 100 kPa |
| Natural Frequencies | Approx. 1.7 kHz |
| Weight | Approx. 100 g (Excluding cable) |
| Posture Effect | Zero drift: Within ±0.3% RO when inclined by 90º referring to horizontal condition |
| Internal Volume | High side: Approx. 0.2 x 10-6 m3 (0.2 mL) Low side: Approx. 1 x 10-6 m3 (1 mL) |
| Pressure Connection | 4.7 mm diameter barb fitting |
Dimensions
To Ensure Safe Usage
• Avoid dew condensation or freeze because the transducer is not drip-proof.
• When using for a pressure meter, apply pressure to the high side and open the low side to the atmosphere.
• For atmospheric observation, prepare piping to prevent rainwater from entering the pressure inlet.
Remarks
(Note 1) Use the transducer with general air.
(Note 2) If water or any other liquid enters the low-pressure line the transducer gets out of order.
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