Nuicon

EE671 - HVAC Air Velocity Probe for Compact Building Automation

Bulky instruments don’t work for every VAV box. You need the Nuicon EE671 – HVAC Air Velocity Probe. Designed for tight spaces and mass-volume applications, this miniature sensor delivers high-accuracy flow data even in dusty ducts. Whether controlling ventilation speed or monitoring fan failure, the EE671 – HVAC Air Velocity Probe is the reliable, maintenance-free choice for OEMs and building managers.

What is the CO2 Sensor For?

Auto Body & Repair Shops

Quickly verify paint thickness for used car assessments, repairs, and quality checks.

Contractors & Fabricators

Ensure coating specifications are met on structural steel, railings, and metal fixtures.

Quality Control Inspectors

Perform fast pass/fail checks on production lines and incoming parts.

Painters & Applicators

Confirm coating thickness during application to prevent costly over- or under-application.

Why Buy from Nuicon?

Direct Pricing

Competitive distributor pricing without markups.

Fast Shipping

Immediate dispatch from our Bengaluru warehouse.

Expert Selection

We help you choose the right velocity range for your duct size.

Technical Specifications

  • Measurement Range: 0…5 / 10 / 15 / 20 m/s (Selectable)
  • Accuracy: ±(0.2…0.4 m/s + 3…6 % of measured value)
  • Output Signal: 0–1 V / 0–5 V / 0–10 V (Analogue) or RS485 Modbus RTU
  • Supply Voltage: 10–29 V DC
  • Protection Rating: IP54 (Probe) / IP50 (Housing)
  • Connection: M12 Connector, 5-pin
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Key Features

  • Tiny but Tough: Miniature 12 mm probe fits in the smallest VAV boxes and tight ducts.
  • Pollution Resistant: E+E thin-film sensing element is robust and resistant to dust, ensuring low-maintenance operation.
  • Modular & Versatile: Can be integrated with Sigma 05 host device for optional display or status indication.
  • Cost-Effective: Ideal for OEMs of Fan Filter Units (FFUs) and building automation systems needing reliable, compact airflow sensing.

Real-World Applications

  • Pharmaceutical Industry: Laminar airflow monitoring is critical for GMP compliance in cleanrooms and sterile filling lines.
  • Biotechnology Industry: Controlled airflow in biosafety cabinets protects sensitive samples and operators.
  • Semiconductor Manufacturing: Precise airflow ensures particle-free environments, essential for wafer fabrication and clean zones.
  • Healthcare & Hospitals: Monitoring airflow in ORs and isolation rooms helps infection control.
  • Food & Beverage Processing: Hygienic airflow control prevents contamination in packaging and sterile processing areas.
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FAQS CO2 Sensor

It is accurate, but for strict laminar flow (0.45 m/s), we recommend the EE576. The EE671 is built for higher HVAC speeds.

Rarely. The sensing element is highly resistant to dust. In normal office ducts, it is maintenance-free.

It runs on a standard 24V DC supply, compatible with almost all BMS controllers.

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Our Related Products

EE650 Duct Transmitter

Premium option for larger ducts and harsh environments.

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EE576 Low Velocity Probe

High-precision choice for cleanrooms (0.2 m/s).

EE680 GMP Velocity Sensor

Stainless steel design for sterile GMP areas.

Our Happy Faces

Simplify Your HVAC Monitoring.

Get the sensor that fits anywhere and works everywhere. Order the EE671 – HVAC Air Velocity Probe today.

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Have A Question?

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