Autrol APT 3100
Smart Pressure Transmitter
The Autrol APT 3100 is a microprocessor-based smart pressure transmitter designed for accurate measurement of pressure, differential pressure, level, and flow. It combines high accuracy, flexible calibration, and robust industrial certifications, making it suitable for oil & gas, power, chemical, marine, and utility applications.
With HART communication, a high rangeability of 100:1, and accuracy up to ±0.04%, the APT 3100 ensures reliable long-term performance even under demanding process conditions.
- Multiple configurations: Differential, Gauge/Absolute, High Static Pressure, Level, Flow
- Accuracy: ±0.075% of span (optional ±0.04%)
- Wide rangeability: 100:1
- Automatic ambient temperature compensation
- Programmable parameters: Zero/Span, Fail-mode, Engineering units, Trim
- Self-diagnostic functions with 5-digit LCD display
- Digital communication via HART protocol
- Loop powered: 4–20mA analog + HART digital signals
- Stability: ±0.125% URL for 36 months
- External Zero & Span buttons for configuration
Protocol
4–20 mA + HART 5 digital
Power / Load
24 VDC, 250–550 Ω loop resistance
Failure Mode
Low ≤ 3.78 mA, High ≥ 21.1 mA
Process Temperature Limit
-40 to +120 °C (-104 to +248 °F)
Hydrostatic Test Pressure
Range 4: 400 kPa (58 psi)
Range 5: 1500 kPa (218 psi)
Range 6: 3000 kPa (435 psi)
Burst Pressure
2000 psig (13.8 MPa)
Output
4–20 mA analog + digital HART
Display
3-line, 5-digit LCD
- Safety: SIL2 (TÜV, FMEDA)
- Hazardous Area: ATEX, FM, IECEx, INMETRO, TR CU (EAC), KCs
- Marine Approvals: ABS, DNV, BV, LR, KR
- Other Approvals: CE, RoHS, NEMA 4X, IP66/67
- Oil & Gas – Pressure and flow monitoring in upstream and midstream
- Chemical & Petrochemical – Process and level measurement
- Power Generation – Boiler and turbine monitoring
- Marine & Offshore – Certified for vessel and offshore environments
- Water & Utilities – Flow and pressure measurement in treatment plants
