φ81 Intelligent type Round Digital Pressure Meter
VSMC series0.5MPa–100MPa
* Actual products may differ from photo depending on specifications.
- 2 setting outputs + 4 to 20 mA(with analog output scaling function)
- Multifunctional type with a built-in microcomputer.
- AC power: AC 90 to 240 V
- Zero shift, tracking zero adjustment, loop check and moving average are included as standard.
| Measured medium | Air, gases, water, oil or other media that will not corrode 15-5PH (precipitation-hardened stainless steel). |
|---|---|
| Pressure type | Positive pressures can be measured. |
| Pressure range | Pressure sensor series for medium-to-high pressure up to 100 MPa are available. (See photos on the left for pressure sensors.) |
Specifications
| Display | 4 digit Red LED (Character height: 14.2mm) | |
|---|---|---|
| Measurement and Indication Range | Measures with 5000 display resolution for the input of 1.000mV/V. Display (calibration) range to be specified by model. (Display scaling value: max.5000) |
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| Indication Accuracy | ±0.1%F.S.±1digit (at 23±5°C) *Total accuracy depends on the specifications of sensor. |
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| Sampling speed | 1–500 times/sec. Modifiable | |
| Indication Conversion Rate | 1–25 times/sec. Modifiable | |
| Setting Operation | Number of Output Channels | 2 point (Values can be set as desired.) Hi setting: Measured value ≥ Setting value = Output ON |
| Comparison Condition | Low setting: Measured value ≤ Setting value = Output ON (Hi or Low can be set for 2 points respectively.) |
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| Comparison Setting Range | −5000–5000 | |
| Differential Setting Range | 0–999 | |
| Comparison Cycle | Synchronized with the sampling rate Response delay≒ (1 / Sampling rate)×(Moving average) [sec] |
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| Contact rating | PhotoMOS relay output AC/DC Load voltage:240V, Load current:120mA or less |
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| Analog output | Setting Operation | 4–20mA (Output range can be set as desired.) |
| Output Accuracy | ±0.2%F.S. for the display of 0–1000 (±2 digits for the display scaling value) |
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| Safe load resistance | 500Ω or less | |
| Use Temperature Range | 0–50°C(No freezing) | |
| Use Humidity Range | 35–85%RH(No condensation) | |
| IP Rating | Equivalent to IP65 | |
| Power [Power Consumption] | 4DC24V±10% [4W or less] 7AC90–240V (Free) [6VA or less] |
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| Functions | Zero shift function, Tracking zero function, Moving average setting function, Loop check function, Overrange warning (Blinks at the limit values of measurement.) etc |
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| Material | Body ring cover: Aluminum die-casting Front panel: Aluminium material (Top sheet: Polyester film) |
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| Weight | Approx. 500g (Cable not included) | |
| Accessories | Operating manual 1 copy (Specify English or Japanese.) Test report 1 copy Power and output connectors: 1 each (*1) |
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Model Selection
| Selection | Check | Model | Specifications | |
|---|---|---|---|---|
| 1.Model | ○ | VSMC | φ81 2 setting output/4–20mA output included Round Digital Pressure Meter | |
| 2.Casing type | ○ | AS | Sensor directly connected on bottom, Flangeless | |
| 3.Analog output | ○ | 3 | 4–20mA | |
| 4.Number of Setting Outputs | ○ | 2P | 2-point photoMOS relay a contact output | |
| 5.Power | 4 | DC24V | ||
| 7 | AC90–240V (Free) | |||
| 6.Calibration | Specify the range within the rated capacity of the applicable pressure sensor.(Within 50% of the rated capacity) *Refer to Selection Table for Pressure Sensors for the rated capacity. |
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| 7.Cable Connection | ○ | W | Waterproof connector | |
| 8.Sensor type | T | VPRT or VPRTF | Refer to "Selection Table" for details. | |
| Q | VPRQ or VPRQF | |||
| F | VPRF | |||
| 9.Rated Capacity(R.C.) | 001MPG | 1MPa | ||
| 002MPG | 2MPa | |||
| 005MPG | 5MPa | |||
| 010MPG | 10MPa | |||
| 020MPG | 20MPa | |||
| 035MPG | 35MPa *Sensor Q type only | |||
| 050MPG | 50MPa | |||
| 100MPG | 100MPa *Sensor T/Q type only | |||
| 10.Connection *Available thread size varies with the sensor. |
R3 | R3/8 (Target model: VPRT/VPRQ) | ||
| G3 | G3/8 (Target model: VPRTF/VPRQF/VPRF) | |||
| R4 | R1/2 (Target model: VPRT-100MP) | |||
| G4 | G1/2 (Target model: VPRTF-100MP/VPRQF-100MP) | |||
External dimensions (Unit: mm)
| Selection table for pressure sensor | ||||||
|---|---|---|---|---|---|---|
| Pressure sensor | VPRF | VPRT | VPRTF | VPRT | VPRTF | |
| Connection screw | G3/8 | R3/8 | G3/8 | R1/2 | G1/2 | |
| Rated capacity | 1–50MPa | 1–50MPa | 100MPa | |||
| Drawing |  |
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 |
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| Pressure sensor | VPRQ | VPRQF | VPRQF | |||
| Connection screw | R3/8 | G3/8 | G1/2 | |||
| Rated capacity | 1–50MPa | 100MPa | ||||
| Drawing |
●1–35MPa 
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●50MPa 
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●100MPa 
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Terminal connection diagram
Digital Pressure Meter