S551 – Portable Equipment for Compressor Energy Audits
Portable Equipment for Energy Audit of Compressors
- On-site data logging. Plug & Play solution.
- Multiple connections and sensor inputs.
- Optional 4G/LTE remote connection.
- Remote data analysis.
- Complete software packages.
Description

Portable Compressor Energy Audit
The S551 Compressed Air Analyzer offers a complete view of the air quality in your system. See air flow, air consumption, energy consumption, pressure, temperature and more of your entire system on a single control panel. The S551 has a variety of features, such as battery backup, 24 individual inputs, an easy-to-read display and third-party sensor connectivity.
Applications
Portable and flexible data logger for audits.
Up to 20 sensor inputs (2 x SDI; 2 x analog; 16 x Modbus).
Connection to S4M software for data analysis.
Optional 4G/LTE modem for remote monitoring.
Advantages
High-resolution 5-color touch screen.
Efficiency measurements and compressor audits.
Integrated high-capacity battery as backup power supply.
Portable device that can be carried with one hand.

Videos
Downloads
Related Products
EXAIR Vacuum Generators
They generate vacuum using compressed air without the need for moving parts!
- Surprisingly quiet – only 69 dBA!
- Very low compressed air consumption!
- Uniform air flow!
- 40:1 air amplification ratio!
EXAIR Vacuum Generators
They generate vacuum using compressed air without the need for moving parts!
- Surprisingly quiet – only 69 dBA!
- Very low compressed air consumption!
- Uniform air flow!
- 40:1 air amplification ratio!
Intellistat Ion Air Nozzle
Powerful ionized air gun to eliminate static!
- No moving parts, maintenance free!
- High instantaneous ionized air flow!
- High charge decay rate (~5 kV / 0.5 s) !
- Ideal for manual, operator-dependent applications!
Intellistat Ion Air Nozzle
Powerful ionized air gun to eliminate static!
- No moving parts, maintenance free!
- High instantaneous ionized air flow!
- High charge decay rate (~5 kV / 0.5 s) !
- Ideal for manual, operator-dependent applications!
Super Air Knife EXAIR – 5 Proven Ways to Improve Industrial Blowoff & Reduce Compressed Air Waste
The EXAIR Super Air Knife is a high-performance compressed air curtain system designed to deliver uniform laminar airflow for industrial blowing, cleaning, drying, cooling, and conveying applications.
- ✓Uniform laminar airflow across the full knife length with a 40:1 air amplification ratio.
- ✓Surprisingly quiet — only 69 dBA noise level with very low compressed air consumption.
- ✓Available in aluminum, stainless steel, and PVDF — lengths from 3 to 108 inches.
- ✓CE compliant and OSHA approved for industrial blowing, cleaning, drying, and cooling applications.
- ✓Reliable EXAIR Super Air Knife systems for compressed air optimization and energy savings.
Super Air Knife EXAIR – 5 Proven Ways to Improve Industrial Blowoff & Reduce Compressed Air Waste
The EXAIR Super Air Knife is a high-performance compressed air curtain system designed to deliver uniform laminar airflow for industrial blowing, cleaning, drying, cooling, and conveying applications.
- ✓Uniform laminar airflow across the full knife length with a 40:1 air amplification ratio.
- ✓Surprisingly quiet — only 69 dBA noise level with very low compressed air consumption.
- ✓Available in aluminum, stainless steel, and PVDF — lengths from 3 to 108 inches.
- ✓CE compliant and OSHA approved for industrial blowing, cleaning, drying, and cooling applications.
- ✓Reliable EXAIR Super Air Knife systems for compressed air optimization and energy savings.
Exair Digital Static Meter
Locate the source of the static problem!
- The Model 7905 Digital Static Meter allows for easy one-handed static measurements.
- In most cases, the highest voltage reading will indicate the source of the static problem.
- Sensitive and responsive, it indicates surface tension and polarity on objects up to ±20 kV when measured one inch (25 mm) away.
Exair Digital Static Meter
Locate the source of the static problem!
- The Model 7905 Digital Static Meter allows for easy one-handed static measurements.
- In most cases, the highest voltage reading will indicate the source of the static problem.
- Sensitive and responsive, it indicates surface tension and polarity on objects up to ±20 kV when measured one inch (25 mm) away.
EXAIR Ultrasonic Leak Detector – 5 Proven Ways to Find Costly Compressed Air Leaks
The EXAIR Ultrasonic Leak Detector — eliminating waste is the first step in a successful compressed air savings project.
- ✓Find and eliminate leaks at any point in your system using EXAIR ultrasonic leak detection technology.
- ✓Reduce the load on your compressed air generation system with EXAIR air leak detection.
- ✓Detect steam, refrigerant gas, and vacuum leaks with ultrasonic leak detection equipment EXAIR.
- ✓Reduce your operating costs and the environmental impact of operation with EXAIR ultrasonic leak detection solutions.
EXAIR Ultrasonic Leak Detector – 5 Proven Ways to Find Costly Compressed Air Leaks
The EXAIR Ultrasonic Leak Detector — eliminating waste is the first step in a successful compressed air savings project.
- ✓Find and eliminate leaks at any point in your system using EXAIR ultrasonic leak detection technology.
- ✓Reduce the load on your compressed air generation system with EXAIR air leak detection.
- ✓Detect steam, refrigerant gas, and vacuum leaks with ultrasonic leak detection equipment EXAIR.
- ✓Reduce your operating costs and the environmental impact of operation with EXAIR ultrasonic leak detection solutions.
Pneumatic Liquid Vacuum Cleaner – Drum Vac Reversible Exair
The Drum Vac Reversible EXAIR is an industrial-strength pneumatic liquid vacuum cleaner that pumps 100 liters of water in less than 90 seconds — with no electricity, no motors, and no maintenance required.
- ✓Pumps 100 liters of water in less than 90 seconds — industrial-strength vacuum for liquids.
- ✓No motors or propellers to clog or damage — completely maintenance-free operation.
- ✓Reversible design — vacuums or pumps liquids as needed.
- ✓Reliable Drum Vac Reversible EXAIR for industrial liquid handling applications.
Pneumatic Liquid Vacuum Cleaner – Drum Vac Reversible Exair
The Drum Vac Reversible EXAIR is an industrial-strength pneumatic liquid vacuum cleaner that pumps 100 liters of water in less than 90 seconds — with no electricity, no motors, and no maintenance required.
- ✓Pumps 100 liters of water in less than 90 seconds — industrial-strength vacuum for liquids.
- ✓No motors or propellers to clog or damage — completely maintenance-free operation.
- ✓Reversible design — vacuums or pumps liquids as needed.
- ✓Reliable Drum Vac Reversible EXAIR for industrial liquid handling applications.
Circular Air Curtain – EXAIR Super Air Wipe – 5 Proven Ways to Clean & Dry Cylindrical Parts
The EXAIR Super Air Wipe is a high-efficiency circular air curtain designed for uniform 360° cleaning, drying, and cooling of cables, hoses, pipes, wires, and extrusion products with minimal compressed air consumption.
- ✓Uniform 360° airflow for complete surface coverage with low compressed air consumption.
- ✓Silent industrial operation with no moving parts for maintenance-free performance.
- ✓Stainless steel construction with high temperature resistance up to 420°C.
- ✓Easy split design installation — adjustable airflow and blowing force.
- ✓Reliable EXAIR air curtain for cables, hoses, pipes, tubing, and extrusion products.
Circular Air Curtain – EXAIR Super Air Wipe – 5 Proven Ways to Clean & Dry Cylindrical Parts
The EXAIR Super Air Wipe is a high-efficiency circular air curtain designed for uniform 360° cleaning, drying, and cooling of cables, hoses, pipes, wires, and extrusion products with minimal compressed air consumption.
- ✓Uniform 360° airflow for complete surface coverage with low compressed air consumption.
- ✓Silent industrial operation with no moving parts for maintenance-free performance.
- ✓Stainless steel construction with high temperature resistance up to 420°C.
- ✓Easy split design installation — adjustable airflow and blowing force.
- ✓Reliable EXAIR air curtain for cables, hoses, pipes, tubing, and extrusion products.
EXAIR Digital Air Flow Meter – 5 Ways to Monitor & Reduce Compressed Air Waste
The EXAIR Digital Air Flow Meter is an advanced digital compressed air monitoring solution designed to measure airflow, detect waste, and improve efficiency using reliable EXAIR air flow monitoring systems.
- ✓Real-time compressed air flow monitoring with accurate digital airflow measurement.
- ✓Easy installation without cutting, welding, or calibration required.
- ✓Permanent or temporary mounting options with LED display for precise airflow readings.
- ✓Compatible with iron, aluminum, and copper pipes — measures airflow in SCFM and m3/hr.
- ✓Detects compressed air waste and leaks using reliable EXAIR air flow monitoring systems.
EXAIR Digital Air Flow Meter – 5 Ways to Monitor & Reduce Compressed Air Waste
The EXAIR Digital Air Flow Meter is an advanced digital compressed air monitoring solution designed to measure airflow, detect waste, and improve efficiency using reliable EXAIR air flow monitoring systems.
- ✓Real-time compressed air flow monitoring with accurate digital airflow measurement.
- ✓Easy installation without cutting, welding, or calibration required.
- ✓Permanent or temporary mounting options with LED display for precise airflow readings.
- ✓Compatible with iron, aluminum, and copper pipes — measures airflow in SCFM and m3/hr.
- ✓Detects compressed air waste and leaks using reliable EXAIR air flow monitoring systems.























