Discontinued (Other than 50 kPa, 50kPa abs)
Low Pressure Transmitter (Wetted Part: Equivalent to hastelloy C-22)
VHR3(G3) series50kPa
50kPa abs
50kPa abs
- Adoption of hastelloy C-22 equivalent diaphragm offers high corrosion resistance.
- Diaphragm structure enables high accuracy measurement even in lower pressure range. (Non Linearity: ±0.2%R.C.)
- Gauge pressure reference and absolute pressure reference available.
| Measured medium | Water, oil, gases or other media that will not corrode SUS316L and Hastelloy C-22 equivalent. |
|---|---|
| Pressure Type | Positive, compound, negative and absolute pressures can be measured. |
| Measured Range | Can be specified of 50 kPa (Calibration: 10 to 50kPa) of rated capacity. Specify more than 50% of rated capacity as the calibration range. |
| Output type | 4–20mA (2 wire system, 4 wire system), Specify among 4 to 20 mA (2-wire, 4-wire), 1 to 5 V, 0 to 5 V, and 0 to 10 V. |
Specifications
| Non Linearity | ±0.2%R.C. |
|---|---|
| Hysteresis | ±0.1%R.C. |
| Compensated Temperature Range (Temperature of medium to be measured) |
0–70°C (No condensation or freezing) |
| Safe Temperature Range (Temperature of medium to be measured) |
−20–80°C (No condensation or freezing) |
| Temperature Effect on Zero Balance | ±1%R.C./0–70°C (At room temperature of 25°C) |
| Temperature Effect on Load | ±1%R.C./0–70°C (At room temperature of 25°C) |
| Safe Overload Rating | 300%R.C. (Gauge pressure: Negative pressure side 100%R.C.) |
| Ultimate Overload Rating | 400%R.C. (Gauge pressure: Negative pressure side 100%R.C.) |
| Insulation Resistance | 100MΩ or more (DC50V) |
| Pressure Port Material | SUS316L (Diaphragm assembly: Hastelloy C-22) |
| Connection Screw | Selectable: R3/8 and G3/8 |
| Fastening Torque;Recommended | 20N·m |
| Fastening Torque;Maximum | 30N·m |
| Power | Selectable: 4DC24V (±10%), 5DC12V (±10%) *Only 24V DC available when analog output is A5 |
| Cable | 4- or 2-core shielded (oilproof) cable: 2m (Standard) φ6mm Cable in tube is used for the gauge pressure model of waterproof connector and pigtail types. |
| Weight | Approx. 200g (Cable not included) |
| Accessories | Operating manual 1 copy (Specify English or Japanese.) Test report 1 copy P-20 4D(×1) (G screw only) |
Model Selection
| Selection | Check | Model | Specifications | |||
|---|---|---|---|---|---|---|
| 1.Model | VHR3 | Low Pressure Transmitter (Diaphragm material: Hastelloy C-22) *Connection screw: R3/8 |
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| VHG3 | Low Pressure Transmitter (Diaphragm material: Hastelloy C-22) *Connection screw: G3/8 |
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| 2.Analog output *Only A6 available for waterproof terminal box type |
- | - | Output type | Response frequency | Safe load resistance | Consumption current |
| A2 | 1–5V | 200Hz | 5kΩ or more | Approx. 23mA | ||
| A3 | 4–20mA (4-wire) |
DC24V: 500Ω or less/ DC12V: 250Ω or less |
Approx. 40mA | |||
| A4 | 0–5V | 5kΩ or more | Approx. 23mA | |||
| A5 | 0–10V | 5kΩ or more | Approx. 23mA | |||
| A6 | 4–20mA (2-wire) |
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. |
50kPa | 50kPa (0–50) kPa |
±10kPa (-10–10) kPa |
50kPa (abs) (0–50) kPa abs |
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| 100kPa | 100kPa (0–100) kPa |
±50kPa (-50–50) kPa |
100kPa (abs) (0–100) kPa abs |
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| ±100kPa (-100–100) kPa |
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| 200kPa | 200kPa (0–200) kPa |
-100–200kPa (-100–200) kPa |
200kPa (abs) (0–200) kPa abs |
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| 500kPa | 500kPa (0–500)kPa |
-100–500kPa (-100–500)kPa |
500kPa (abs) (0–500)kPa abs |
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| 700kPa | 700kPa (0–700) kPa |
-100–700kPa (-100–700) kPa |
700kPa (abs) (0–700) kPa abs |
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| Discontinued 100–700kPa Successor model: [VAR3(G3)] |
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| 4.Cable Connection | N | Standard connector Equivalent to IP40 | ||||
| W | Waterproof connector Equivalent to IP56 | |||||
| S | Pigtail Equivalent to IP54 | |||||
| T | Waterproof terminal box type Equivalent to IP55 *Applicable only when analog output is A6. Cable not included |
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| 5.Power | 4 | DC24Ｖ (±10%) | ||||
| 5 | DC12Ｖ (±10%) *Not available when analog output is A5 | |||||
| 6.Length (Cable) | 2m | 2m Standard | ||||
| 3m | 3m | |||||
| 5m | 5m | |||||
| 10m | 10m | |||||
| □□m | Other length *Contact our sales office for other cable lengths. |
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External dimensions (Unit: mm)
*Refer to line connection here
Pressure Sensor