Steam Flow Rate Transmitters
MAC155 Moisture Analyzer
MAC 116 Steam Analyzer
Mac 125 Moisture Analyzer
Ultrasonic flow meters
NIST-traceable measurement capabilities certified

NIST-Traceable Certified

4-20mA Flow Transmitter for Industrial Applications

MAC Instruments manufactures precision 4-20mA flow transmitters and analyzers for demanding industrial applications. Our product line includes steam flow rate transmitters, moisture analyzers, and ultrasonic flow meters engineered for food processing, chemical processing, power generation, and manufacturing. With patented solid-state technology and NIST-traceable accuracy, our instruments deliver reliable measurement in extreme temperatures up to 1200°F, featuring no moving parts and NEMA 4X protection for harsh environments.

Our Range of Products
Steam Flow Rate Transmitters

Steam Flow Rate Transmitters

  • True Mass Flow Measurement
  • No Moving Parts Design
  • Fully Calibrated with Panel Gauge
MAC155 Moisture Analyzer

MAC155 Moisture Analyzer

  • Built-In Calibration System
  • EPA Compliant Design
  • Optional 2400°F Capability
MAC 116 Steam Analyzer

MAC 116 Steam Analyzer

  • Sanitary 2-Inch Clamp Mount
  • Built-In Purge System
  • 24V DC Powered for Safety
Mac 125 Moisture Analyzer

Mac 125 Moisture Analyzer

  • Measures Up to 1200°F
  • NEMA 4X Waterproof Design
  • Automatic Altitude Compensation
Ultrasonic flow meters

Ultrasonic flow meters

  • Ultrasonic Pulse Technology
  • No Pressure Drop Design
  • Multiple Capacity Ranges

Frequently Asked Questions

What is the accuracy of MAC Instruments 4-20mA flow transmitters?

Our transmitters provide ±1-2% full scale accuracy with NIST-traceable calibration, ensuring reliable measurement for critical industrial process control applications.

Can these transmitters operate in high-temperature applications?

What maintenance is required for steam flow transmitters?

Are these transmitters suitable for outdoor installation?

What output signals are available?

Do you offer custom configurations for special applications?

What industries use MAC Instruments flow transmitters?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Food Processing

Food Processing

Steam flow control for continuous conveyor ovens, moisture monitoring for cooking meat and poultry, and pasteurizing applications.

Chemical Processing

Chemical Processing

Precise moisture and flow measurement for chemical reactors, drying processes, and quality control in harsh chemical environments.

Power Generation

Power Generation

Stack gas moisture monitoring, boiler efficiency optimization, and EPA-compliant emission control for coal, biofuel, and natural gas plants.

Cement Manufacturing

Cement Manufacturing

High-temperature humidity control in kilns, calciners, and drying processes for consistent product quality and energy efficiency.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Steam Flow Rate Transmitters | Ultrasonic Flow Meters with Analog Output 4-20mA

Ultrasonic Flow Meters with Analog Output 4-20mA

Ultrasonic flow meters with 4-20mA analog output provide precise flow measurement using ultrasound pulses between transducers. These non-invasive instruments feature no moving parts, making them ideal for steam flow applications in industrial processes. With digital displays and analog output capabilities, they deliver reliable performance across food processing, chemical processing, power generation, and pharmaceutical industries.
Mac 125 Moisture Analyzer | Humidity Sensors 4-20mA Output for HVAC Systems

Humidity Sensors 4-20mA Output for HVAC Systems

Industrial-grade humidity sensors with 4-20mA output designed for HVAC systems and high-temperature process monitoring. MAC Instruments' moisture analyzers deliver precise humidity measurement from 40°F to 1200°F using patented solid-state technology. NEMA 4X/IP66 rated enclosures withstand harsh environments while providing continuous, accurate readings for process control and regulatory compliance across power generation, manufacturing, and food processing applications.
Ultrasonic flow meters | Ultrasonic Flow Meters for Industrial Flow Measurement

Ultrasonic Flow Meters for Industrial Flow Measurement

Industrial ultrasonic flow meters offering precise flow measurement using advanced pulse transit time technology. Featuring no moving parts design, these meters provide reliable steam flow measurement for food processing, chemical processing, power generation, and pharmaceutical applications with flow capacities ranging from 1,500 to 5,000 lb/hr.

Why Industrial Manufacturers Choose MAC Instruments

Patented High-Temp Measurement

Proprietary solid-state sensors measure moisture and flow up to 1200°F with NIST-traceable accuracy, no moving parts, and no chemicals required for consistent performance.

Extreme Environment Durability

NEMA 4X/IP66 waterproof construction with stainless steel components withstands harsh chemicals, outdoor installation, and continuous industrial process conditions for decades.

30+ Years Manufacturing Excellence

Since 1990, we've been the world leader in high-temperature industrial measurement, serving power generation, cement, food processing, and chemical industries globally.

Get Expert Guidance on Your Flow Measurement Application

Our technical specialists will help you select the right 4-20mA transmitter for your process conditions. Expect a response within 24 hours with custom configuration options.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 419.621.2322 You can also send us a quick email at info@macinstruments.com