
Item | valve |
Type | Diaphragm-sealed differential pressure transmitter |
Measuring Principle | DPharp digital sensor technology (measures differential pressure, static pressure, and temperature simultaneously for dynamic compensation) |
Measurable Media | Liquids, gases, vapors, high-temperature/high-vacuum media, high-viscosity media, crystallizable media |
Accuracy | ±0.2% of differential pressure span |
Stability | ±0.2% URL/10 years |
Pressure Range | - Differential pressure: 0 to 2.5 kPa (0 to 0.36 psi) up to 0 to 40 MPa (0 to 5800 psi) - Static pressure: Up to 32 MPa (4641 psi) (depending on diaphragm material and model) |
Response Time | 90 ms (standard), adjustable up to 1600 ms |
Output Signal | - 4–20 mA DC with HART 5/7, BRAIN protocol - HART (1–5V DC) low-power type - FF fieldbus - PROFIBUS PA |
Power Supply | - 10.5–42 V DC (general/explosion-proof types) - 10.5–32 V DC (with surge arrester, option code /A) - 10.5–30 V DC (intrinsically safe, n-type, non-flammable types) |
Communication Protocols | HART 5/7, HART low-power (1–5V DC), FF fieldbus, PROFIBUS PA, BRAIN |
Temperature Range | - Operating: -40°C to +120°C - Storage: -40°C to +150°C |
Temperature Effect | ±(0.15% of span + 0.15% of URL) per 28°C temperature change |
Protection Level | IP66/IP67, NEMA 4X |
Explosion Protection | Certified for ATEX, FM, CSA, IECEx, etc. |
Process Connections | - Flange types: ANSI, JIS, DIN, GB - Diaphragm seal options: flat, flush, spud-type, etc. |
Diaphragm Materials | - 316L stainless steel, Hastelloy C-276, Monel, Tantalum, etc. - Optional PTFE/coating |
Self-Diagnosis Functions | 40 self-diagnosis functions (including patented real-time reverse check and DPharp active sensor failure detection) |
Display | Optional built-in display: 5-digit numeric + 6-digit unit display, shows measured values, alarm codes, bar charts, etc. |
Mounting | Flange-mounted (direct to process equipment) |