Minute Differential Pressure Transmitter
VDP4N series2.5kPa–7kPa
- Enables differential pressure measurement from 1.25 kPa (up to 7 kPa)
- Compact and easy-to-mount.
| Measured medium | Dedicated to inert gases (noncorrosive gases) such as air, nitrogen, argon, etc. |
|---|---|
| Pressure Type | Positive, compound and negative pressures can be measured. |
| Measured Range | Can be specified within the range of 2.5 kPa to 7 kPa (Calibration: 1.25 to 7 kPa) of rated capacity. Specify more than 50% of rated capacity as the calibration range. |
| Output type | 4–20mA (2 wire system) |
Specifications
| Non Linearity | 2.5kPa: ±1%R.C. 7kPa: ±0.5%R.C. |
|---|---|
| Hysteresis | ±0.2%R.C. |
| Compensated temperature range (Temperature of medium to be measured) |
0–50°C (No condensation or freezing) |
| Safe temperature range (Temperature of medium to be measured) |
2.5kPa: -30–85°C (No condensation or freezing) 7kPa: -20–85°C (No condensation or freezing) |
| Temperature effect on zero balance | 2.5kPa: ±3%R.C./0–50°C (*1) 7kPa: ±2%R.C./0–50°C (*1) |
| Temperature Effect on Load | 2.5kPa: ±3%R.C./0–50°C (*1) 7kPa: ±2%R.C./0–50°C (*1) |
| Safe Temperature Range | 200%R.C. (One-side pressure) |
| Insulation Resistance | 50MΩ or more (DC50V) |
| Pressure Port Material | Aluminum 5052 (Pressure port: Semiconductor) |
| Connection Screw | Rc1/8 Female screw |
| Line Pressure | 2.5kPa: 100kPa or less 7kPa: 490kPa or less |
| Power supply | Selectable: 4DC24V (±10%), 5DC12V (±10%) |
| Weight | Approx. 420g (Cable not included) |
| Accessories | Operating manual 1 copy (Specify English or Japanese.) Test report 1 copy |
- (*1)25°C as standard room temperature
Model Selection
| Selection | Check | Model | Specifications | |||
|---|---|---|---|---|---|---|
| 1.Model | ○ | VDP4N | Silicon diaphragm type Minute Differential Pressure Transmitter *Connection screw: Rc1/8(2 port) |
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| 2.Analog output | - | - | Output type | Response frequency | Safe load resistance | Power Consumption |
| ○ | A6 | 4–20mA (2 wire system) | 200Hz | DC24V:500Ω or less DC12V:150Ω or less |
- | |
| 3.Calibration | - | - | Rated capacity | Example of calibration range | ||
| See right table. Enter the range in the as it is. |
2.5kPa | 2.5kPa (0–2.5)kPa |
±1.25kPa (-1.25–1.25)kPa |
2kPa (0–2)kPa |
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| 7kPa | 7kPa (0–7)kPa |
±5kPa (-5–5)kPa |
5kPa (0–5)kPa |
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| 4.Cable Connection | ○ | T | Waterproof terminal box type Equivalent to IP55 *Cable not included |
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| 5.Power supply | 4 | DC24V (±10%) | ||||
| 5 | DC12V (±10%) | |||||
External dimensions (Unit: mm)
*Refer to line connection here
Pressure Sensor