Autrol APT 3200
Smart Pressure Transmitter
The APT 3200 Smart Pressure Transmitter is a microprocessor-based, loop-powered transmitter designed for gauge and absolute pressure measurement. It features a piezoelectric sensor with a patented temperature compensation algorithm, ensuring high precision and long-term stability across a wide operating range.
It is ideal for pressure and level applications in oil & gas, power, marine, chemical, and refining industries, with full industrial and safety certifications.

- High accuracy: ±0.075% of span (optional ±0.04%)
- Wide rangeability: 100:1
- Long-term stability: ±0.125% URL for 36 months
- Continuous self-diagnostics and EEPROM write protection
- Automatic ambient temperature compensation
- Fail-mode process function for reliability
- 3-line LCD display with external Zero & Span buttons
- Data configuration via HART communicator
- Compact, loop-powered 4–20mA + HART design
Model
APT 3200
Output Protocol
4–20 mA + HART 5
Power / Load
24 VDC, 250–550 Ω loop resistance
Failure Mode
Low ≤ 3.78 mA, High ≥ 21.1 mA
Operating Temperature
-40 °C to +120 °C (-104 °F to +248 °F)
Trim Functions
Zero, DAC, Full
Rangeability
100:1
Firmware
Versions 6.X, 7.X supported
- Safety: SIL2 (TÜV, FMEDA)
- Hazardous Area: Ex d, Ex ia, FM, ATEX, IECEx, TR CU (EAC), INMETRO, KCs
- Marine Approvals: ABS, DNV, BV, LR, KR
- Other: CE, RoHS, NEMA 4X, IP66/67
- Oil & Gas – Pressure and level monitoring upstream & downstream
- Chemical & Refining – Corrosive and high-pressure process measurement
- Power Generation – Boiler, turbine, and utility pressure monitoring
- Marine & Offshore – Certified for vessel and offshore systems
- Water & Utilities – Reliable gauge/absolute pressure measurement




