SFAH-1U-Q4S-PNLK-PNVBA-L1 - Measurement Festo - Free user manual and instructions
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| Product Type | Pressure sensor |
| Model | SFAH-1U-Q4S-PNLK-PNVBA-L1 |
| Brand | Festo |
| Measurement Category | Pressure |
| Output Signal | PNP/NPN (depending on variant) |
| Electrical Connection | M8 x 1, 4-pin connector |
| Supply Voltage | 24 V DC |
| Pressure Range | 0...10 bar |
| Accuracy | ±0.5% FS |
| Medium | Compressed air, non-corrosive gases |
| Operating Temperature | 0...50 °C |
| Protection Class | IP65 |
| Dimensions (W x H x D) | 30 x 20 x 10 mm |
| Weight | 30 g |
| Housing Material | Polycarbonate |
| Display | None (no integrated display) |
| Mounting | Via mounting bracket or direct thread |
| Process Connection | M5 male thread |
| Certification | CE, RoHS |
| Maintenance | Clean with dry cloth; no recalibration required |
Frequently Asked Questions - SFAH-1U-Q4S-PNLK-PNVBA-L1 Festo
What is the output type of the Festo SFAH-1U-Q4S-PNLK-PNVBA-L1?
The output type is PNP (positive switching) by default, but can be configured as NPN (negative switching) via the teach-in procedure.
How do I connect the sensor?
Use an M8 x 1 4-pin connector. Pin 1 is V+, pin 3 is V-, pin 4 is the output signal, and pin 2 is not used (or can be used for lock input).
What is the operating voltage?
The sensor requires a supply voltage of 24 V DC (10-30 V DC) with a current consumption of less than 50 mA.
Can I use this sensor for liquids?
No, it is designed for non-corrosive gases like compressed air. Using it with liquids may damage the sensor.
What is the pressure range?
It measures relative pressure from 0 to 10 bar (0 to 145 psi). Overpressure limit is 15 bar.
How accurate is the sensor?
The accuracy is ±0.5% of full scale (FS), corresponding to ±0.05 bar at 10 bar range.
How do I clean the sensor?
Use a soft, dry cloth. Do not use solvents or abrasive cleaners. Ensure the sensor is disconnected from power before cleaning.
What is the IP rating?
The sensor has an IP65 rating, meaning it is dust-tight and protected against water jets.
How do I mount the sensor?
Mount it using the included bracket or directly via the M5 threaded connection. Torque to 0.5 Nm. Avoid mounting with the cable pointing upwards to prevent moisture ingress.
What does the model number indicate?
SFAH = pressure sensor, 1U = variant, Q4S = 4-pin connector, PNLK = PNP with lock function, PNVBA = PNP, VB (valve block) interface, L1 = cable length 1 meter.
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USER MANUAL SFAH-1U-Q4S-PNLK-PNVBA-L1 Festo
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Product information
Brand : Festo
Model : SFAH-1U-Q4S-PNLK-PNVBA-L1
Category : Measurement