Overview
Valcom VSD4 Sanitary Digital Differential Pressure Transmitter Can be specified within the range of 50 kPa to 1000 kPa of rated capacity. It’s suitable for combination by batch control/PID Controller which needs a pulse output of 4-20mA
- Determines differential pressure by computing the outputs from two pressure sensors.
- Output 4-20mA (2-wire system) scaling function.
- Choose from One output (Only the output of difference pressure) and Two outputs (The output of difference pressure + The Output of the low-pressure side)
- Pressure port with higher strength.
- Safe and reliable construction with no sealed liquid.
- Standard functions
- Display switch (Differential pressure, High pressure, Low pressure)
- Damping
- Loop check function
- FIX zero
- Zero shift
- Maximum/Minimum monitoring function
- Setting output status at error
- Key lock function
Specification
| Display | 7 segment 4-digit LCD Character height: Approx. 12.7mm | |
| Display range Approx. 3.5 times/sec. | ||
| Accuracy at room temperature(*1) | Scaling in 20–100%R.C.: ±0.7%F.S.±1digit. | |
| (Including Nonlinearity, Hysteresis, and repeatability) | Scaling in 10–20%R.C.: ±1.4%F.S.±1digit. | |
| 2 output | Scaling in 20–100%R.C.: ±0.5%F.S.±1digit. | |
| Scaling in 10–20%R.C.: ±1%F.S.±1digit. | ||
| 1 output | ±0.5%F.S.±1digit. | |
| (Without analog output) | ||
| ±0.5%R.C.±1digit. | ||
| Temperature compensation range (Sensor assembly) | -5–150°C (Measurement pressure medium) | |
| Safe temperature range (Sensor assembly) | -5–150°C (Measurement pressure medium) | |
| Temperature effect on zero balance | ±0.6%R.C./10°C or less (Rated 300kPa, 500kPa, 1000kPa) | |
| ±0.7%R.C./10°C or less (Rated 50kPa, 100kPa, 200kPa) | ||
| Temperature effect on load | ±0.6%R.C./10°C or less (Rated 300kPa, 500kPa, 1000kPa) | |
| ±0.7%R.C./10°C or less (Rated 50kPa, 100kPa, 200kPa) | ||
| Ambient temperature and humidity range | 0–50°C (No condensation or freezing) | |
| Material | Case part: Aluminum die casting, | |
| Front sheet part: PET | ||
| Radiating fin and adapter part: SUS304 | ||
| IP Rating | Equivalent to IP67 | |
| Mass | Approx. 670g | |
| Accessories | Operating manual 1 copy, Test report 1 copy, Cable gland | |
| Brackets for the exclusive use of the PP type | ||
| U character bolt for brackets for exclusive use of the PP type | ||
| Hexagon nut for PP-type fixation | ||
(*1)For the ferrule type, zero adjustments are to be made after the clamp is tightened.
For more info and price please contact marketing@wmablog, com
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