Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa PDS-10GA PDS-A Minute Differential Pressure Transducer
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: PDS-10GA
The PDS-A is a minute differential pressure transducer with diffusional semiconductor strain gages on a silicon diaphragm. It is suitable for wind-pressure measurement.
Features
• High frequency response
• High sensitivity
• Noise resistant
Specifications
Performance
| Rated Capacity | 1 kPa |
|---|---|
| Nonlinearity | Within ±0.5% RO |
| Hysteresis | Within ±0.3% RO |
| Rated Output | 7 to 23 mV |
| Rated Output Accuracy | Within ±1.0% 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 ±0.1% RO/ºC |
| Temperature Effect on Output | Within ±0.1%/ºC |
| Pressure Medium | General air (Non-corrosive gas) |
Electrical Characteristics
| Initial Unbalance | Within ±10 mV |
|---|---|
| Bridge Output Resistance | 2 to 6 kΩ |
| Power Supply | 10 VDC (9.5 to 15 V), 5 mA or less (Bridge power supply of strain measuring instrument may be used.) |
| Cable | 4-conductor (0.05 mm2) chloroprene shielded cable, 3 mm diameter by 3 m long, terminated with a connector plug PRC03-12A10-7M (Shield wire is not connected to the case.) |
Mechanical Properties
| Safe Overloads | 600% |
|---|---|
| Maximum Line Pressure | 100 kPa |
| Natural Frequencies | Approx. 1.7 kHz |
| Weight | Approx. 40 g (Excluding cable) |
| Posture Effect | Zero drift: Within ±0.8% RO when inclined by 90º referring to horizontal condition |
| Internal Volume | High side: Approx. 0.2 × 10-6 ｍ3(0.2 mL) Low side: Approx. 1 × 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.
● If using as a gage 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.
● When using the bridge power supply of a strain amplifier, use a model (CDV-900A, WGA-710C)which supports 10 VDC.
● The suitable power supply is a series regulator type which generates less noise than the switching type.
Remarks
(Note 1) Use the transducer with general air
(Note 2) If water or any other liquid enters the low side, the transducer gets out of order.
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