FESTO SPAN-B2R-G18M Digital Pressure Sensor Technical Guide

Overview

The FESTO SPAN-B2R-G18M-PN-PN-L1 is a compact digital pressure sensor engineered for monitoring compressed air and neutral gases in industrial automation. Featuring an integrated illuminated display, it provides clear readouts in machinery setups where quick visual checks are required.

Specifications

• Sensor Type: Digital pressure sensor with display

• Measuring Range: -1 to 1 bar

• Max Overload Pressure: 5 bar

• Operating Voltage: 15 to 30 V DC

• Switching Output: 2 x PNP or NPN switchable

• Process Connection: G1/8 external thread, M5 internal thread

• Ambient Temperature: 0 to 50 °C

• Ingress Protection: IP40

• Weight: Approx. 46 g

• Housing Material: PA-reinforced

Core Performance & Features

• Precise Monitoring: Delivers dependable pressure tracking with a repeatability of $\pm0.3\%$ FS.

• Clear Readout: Features an illuminated LCD screen to check values directly on the shop floor.

• Flexible Integration: Supports dual switchable PNP/NPN outputs to match existing control panel wiring.

Industrial Application Scenarios (Festo Pressostat)

In modern pneumatic and automated control systems, Festo Pressostats (pressure switches and digital sensors) play a critical role in real-time pressure monitoring, threshold detection, and system safety regulation. Typical application scenarios include:

• Pneumatic Control Panels & Assembly Lines: Ensuring stable operating pressure in main supply lines to prevent equipment stalling or actuator malfunction.

• HVAC & Leak Detection: Monitoring pressure drops in vacuum gripping systems, air duct pressure checking, and filter monitoring.

• Quality Control & Testing: Verifying precise clamping and pressing forces in automated manufacturing cells where consistent pressure thresholds are vital.

Legacy Model Comparison & Modern Upgrade Recommendation

If your current maintenance or retrofit project involves aging legacy hardware—such as the discontinued Festo PS1-E02 differential pressure switch or older generation mechanical pressure controllers—finding direct factory-new replacements can be challenging.

The Festo SPAN-B2R-G18M-PN-PN-L1 Digital Pressure Sensor serves as an optimal modern replacement and functional upgrade. Compared to older legacy switches, this digital unit offers:

• High-Precision Digital Display: Clear visual readouts and programmable switching outputs replace cumbersome mechanical adjustments.

• Seamless Compatibility: Designed to fit standard pneumatic connection geometries, minimizing downtime and engineering rework during system retrofits.

• Enhanced Reliability: Advanced electronic diagnostics and robust build quality ensure long-term stability in harsh industrial environments.

Installation Guidelines

1. Preparation: Depressurize the pneumatic line and ensure the mounting area is free from debris.

2. Mechanical Mounting: Secure the sensor body using proper tools, taking care not to over-torque the threads.

3. Pneumatic Port: Connect the G1/8 external thread or M5 internal port using standard thread sealants.

4. Wiring: Connect the 15 to 30 V DC power supply according to the pinout configuration.

5. Functional Check: Power on the system, verify display operation, and test switching thresholds under operational pressure.

Related Part Numbers & Sourcing Options

• SPAN-B2R-G18M-PN-PN-L2

• SPAN-B2R-R18M-PN-PN-L1

• SPAN-B2R-M5F-PN-PN-L1

If you are currently evaluating a replacement for an older Festo pressure switch or require specific parameter alignment for your application, feel free to reach out to our technical team for professional cross-reference support.

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