2P2E
AVL FlexIFEM Piezo 2P2E two-channel charge amplifier with display, 9.5-36 V DC
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Available units (2)
About the 2P2E
The AVL type 2P2E (material number BW4216) is a FlexIFEM Piezo. This is a stand-alone, 1/2-channel indicating amplifier for piezoelectric sensors, used mainly to measure cylinder pressure on engine test beds and in vehicles. The front panel reads AVL FLEXIFEM PIEZO. It has an LCD display, a five-key keypad (arrows, ENTER) and two input channels, each with a BNC socket and a second sensor socket.
AVL's FlexIFEM devices compute cycle-by-cycle results as well as conditioning the signal. Examples are peak cylinder pressure and engine speed, with warning and alarm levels. The display lets the unit run on its own as a pressure monitor, for example in endurance testing or for engine protection. It can also be set up remotely from AVL IndiCom.
On the back are RS232 IN/OUT, a USB port, CH1/CH2 analog outputs and CH1/CH2 AC outputs on BNC, a digital I/O connector, an on/off switch and a 9.5-36 V DC input.
Frequently asked questions
Can it work without a PC?
Yes. AVL designed the FlexIFEM for stand-alone use. Its built-in display and keypad show the pressure signal and results and are used to set parameters.
Does it work with AVL IndiCom?
Yes. AVL states that all its indicating-amplifier families can be run stand-alone or controlled remotely from AVL IndiCom.
What sensors does it take?
Piezoelectric sensors, typically cylinder-pressure transducers, one per channel.
Specifications
| Type | 2P2E (AVL FlexIFEM Piezo) |
| Display | LCD with keypad (arrows, ENTER, INFO) |
| Outputs | Analog out CH1/CH2 and AC out CH1/CH2 on BNC |
| Interfaces | RS232 IN/OUT, USB |
| Digital I/O | Circular connector X8 (DIG IN/OUT) |
| Power supply | 9.5-36 V DC, 15 W (type plate) |
| Input channels | 2 piezoelectric (CH1, CH2) |
| Calculated results | Cycle-by-cycle peak pressure, engine speed, limit/alarm outputs (FlexIFEM family) |
| AVL material number | BW4216 |
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