High Resolution Signal Conditioner - FPI-HR

• FOT-L Temperature Measuring range: -10°C to 120°C
• FOP-M Pressure Measuring range:
R1: 0 to 5 psi / R2: 0 to 50 psi
R3: 0 to 150 psi / R4: 0 to 1000 psi
• FOT-L Response time: <1.5s
• FOT-L Accuracy: R4: ±0.25°C / R5: ±0.40°C
• FOP-M Accuracy: ±0.5% of full scale
• Operating temperature: 10°C to 50°C

  • Model Number: FPI-HR
  • Data Sheet: Date Sheet File
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  • High Resolution Signal Conditioner
  • High Resolution Signal Conditioner
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Product Specification

General Temperature and Pressure Applications

This "signal conditioning" module is both the light source and receiver of the fiber optic measurement system. The FPI-HR or FPI-HS convert the optical signal to a pressure reading and requires no external amplification box. The researcher may plug the catheter’s optical connector directly into the module or may use an (optional) extension cable with accompanying connection box.

Single channel (250Hz)
Dual channel (125Hz)

FPI-HR High Resolution Signal Conditioner Application Products
• FOT-L Temperature sensor
• FOP-M Pressure sensor
• FPI-HR module
• EVOLUTION chassis

FPI-HR High Resolution Signal Conditioner Key Features
• High accuracy
• Up to 250 Hz sampling rate
• Temperature-compensated modules

FPI-HR High Resolution Signal Conditioner Specifications

Pressure FOP-M
Measuring range
-10°C to 120°C
R1: 0 to 5 psi / R2: 0 to 50 psi
R3: 0 to 150 psi / R4: 0 to 1000 psi
Temperature operating range
SD: -40°C to 300°C
BA: -40°C to 250°C
-20°C to 150°C
Response time1

R4: ±0.25°C / R5: ±0.40°C
±0.5% of full scale
0.05% of full scale
Sampling rate
Up to 250 Hz per module
Up to 250 Hz per module
Power consumption
5 Watts
5 Watts
Analog output (Optional)
0 to 5V or 4-20 mA / 16 bits resolution
0 to 5V or 4–20 mA / 16 bits resolution
Operating temperature
10°C to 50°
10°C to 50°
Storage temperature
-30°C to 80°C -30°C to 80°C
SCAI3, SCA (ST optional)
SCAI3, SCA (ST optional)
Fiber core size
62.5/125μm (50/125μm optional)
62.5/125μm (50/125μm optional)
Number of channel(s)
1 or 2
1 or 2
Communication / Evolution chassis
USB via EVO chassis / TS 35 DIN RAIL
USB via EVO chassis / TS 35 DIN RAIL
RS-232 / RS-485
RS-232 / RS-485
LED sensor signal and 
communication diagnostic

1. Time required to reach 63% of a temperature step.
2. Includes reproducibility (sensor/module exchange), repeatability and hysteresis, non-linearity, scale error, offset error, conditioner temperature compensation error.
    Accuracy of ±0.25°C can be achieved using the 25°C to 45°C calibration.
    Accuracy of ±0.40°C can be achieved using the -10°C to 120°C calibration.
    Accuracy at room temperature.
3. SCAI is an SCA connector with smart chip communicating calibration data to signal conditioner module.

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