FMA-500-T1-40W-GV

## Filtration Air FMA Series Restriction Sensor 

For improved air filtration system performance, the NovaSensor FMA Series of Filtration Air Restriction (FAR) Sensors accurately measures pressure loss across a variety of air filtration devices utilizing high accuracy NPA piezoresistive technology in a low-profile form factor that is easy to install and maintenance-free. 

With configurable thresholds, the FMA Series can be easily installed for use in a variety of applications, including commercial and automotive HVAC and industrial air filters, engine air filtration systems and rooftop units exposed to pressure or vacuum environments. With hydrophobic reference port and sealed connection system, it can also be used in a variety of harsh environmental conditions. 

The FMA Series is available in multiple positive or vacuum pressure ranges, mating with an integrated AMPSEAL 16 (3-way) electrical connector (Drawing No. C-776402-1-GEN) and a 1/8-27 NPT female pressure connection port. 

## Applications 

## Features 

- Engine Air Filter Restriction 

- Cabin Pressure 

- HVAC Pressure 

- Exhaust Pressure 

- Industrial Filters 

- Supply Voltage:  5VDC 

- Linear Output: 0.5V to 4.5V (Ratiometric) 

- Diagnostic Features (Bridge Connection Checks, Bridge Short Detection, Power Loss Detection) 

- Temperature-Compensated 

- Sealed AMP Electrical Connector 

- Multiple Pressure Ranges Available (Vacuum and Pressure) 

- Fast Response Time 

- REACH & RoHS Compliant 

**Amphenol Advanced Sensors** 

## Technical Specifications 

## **Electrical** 

|Supply Voltage (VDD)(1)|5 VDC +/-5%|
|---|---|
|Supply Current|5 mA Max|
|Output Voltage (VO)<br>(Ratiometric)|0.5 to 4.5 V (10% to 90% VDD)|
|Output Impedance|250 Ohms Max|
|Over Voltage|28 V Momentary Contact|
|Reverse Voltage|28 V Momentary Contact|
|ESD Rating|Contact: 8 kV; Air: 15 kV|
|EMC Compliance|RE (150 kHz - 3.2 GHz)<br>CI (30 Hz - 50 kHz)<br>BCI (10 kHz - 400 MHz)<br>RI (100 kHz - 3.2 GHz)|



|Accuracy|+/- 2.5% FSO|
|---|---|
|Resolution|0.12% FSO|
|Compensated Temp Range|0°C to 80°C<br>0°C to 60°C for 5”H2O|
|Proof Pressure|2X Full Pressure|
|Burst Pressure|3X Full Pressure|
|Vibration|20-2000Hz AT 11.5 Grms|
|OperatingTempRange|-40°C to 125°C|
|Storage TempRange|-55°C to 150°C|
|Start-UpTime|10 ms|
|Response Time|< 2 ms|
|Intended Media|Clean DryAir|
|ClampLimits Upper/Lower|92.5% to 7.5% VDD|
|Diagnostic Limits Upper/Lower|97.5% to 2.5% VDD|
|Pressure Ranges Available|5” H2O<br>10” H2O(2)<br>40” H2O<br>1 PSI(2)<br>5 PSI|



[1] Use 5 VDC +/- 2.5% for 5” H2O 

[2] Contact factory for additional custom pressure ranges. 

## Connector Pin Out and Port Thread 

**2** 

## Transfer Function 

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**----- Start of picture text -----**<br>
(90% VDD) 4.5 ppannannnnnnnnnnnn nanan nnn nnn nnn nnn nnn nnn nnn nnn nnn nnn nnn nnn nn nnn nnn ===<br>FSO<br>VDD: Power Supply Voltage<br>4<br>Vo:   Sensor Output Voltage<br>Zero:  Sensor Output Voltage at Zero-scale Pressure<br>z 3.5<br>FSO:  Sensor Output Voltage at Full-scale Pressure<br>ay<br>°<br>><br>e€<br>8 2.5<br>eZ<br>2<br>815<br>1<br>Zero<br>(10% VDD) 0.5 +------<% Lower clipping limit<br>**----- End of picture text -----**<br>


## Transfer Function Parameters 

|**Parameter**|**Unit**|**Typical**|**Output**|
|---|---|---|---|
|**Upper Clipping Limit**<br>**Lower Clipping Limit**<br>**Upper Diagnostic Level**|VDD<br>VDD<br>VDD|92.5%<br>7.5%<br>97.5%|4.625 V<br>0.375 V<br>4.875 V|
|**Lower Diagnostic Level**|VDD|2.5%|0.125 V|



**3** 

## Ordering Information 

**FMA Code Description** 500 Analog Amplified Output, 5.0 VDC Excitation, Calibrated **Code Description** T1 Pressure Port, 1/8-27 NPT Female **Code Description** 05W 5 in H2O (1.25 kPa) 10W 10 in H2O (2.5 kPa)* 40W 40 in H2O (10 kPa) 001 1 PSI (7 kPa)* 005 5 PSI (35 kPa) **Code Description** GV Vacuum Gage GP Positive Gage FMA _____ _____ _____ _____ - Typical Order Number 

*Contact factory for additional custom pressure ranges. 

## **Amphenol Advanced Sensors** 

www.amphenol-sensors.com 

© 2019 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. 

**AAS-920-707E  -  05/2019**