The Triplett Model CFM400-NIST 4″ (100mm) Large Vane CFM/CMM Thermo-Anemometer is a versatile tool designed for precise measurement of air velocity, flow, and temperature. With a measurement range up to 5900 ft/min (30 m/s) and a robust dual backlit LCD display, this anemometer is ideal for HVAC professionals, cleanroom monitoring, and various applications including sailing and vehicle aerodynamics. The device features convenient data hold and recall functions, ensuring accurate readings whenever needed. This model also includes a certificate of traceability to NIST standards, making it a reliable choice for compliance and accuracy.
Triplett CFM400-NIST Key Features
- Measures Air Velocity: Up to 5900 ft/min (30 m/s) for precise airspeed monitoring across various applications.
- Measures Air Flow: Capable of measuring up to 99999 CFM/CMM, making it suitable for extensive flow assessments.
- Temperature Measurement: Monitors air temperature up to 140°F (60°C), providing comprehensive environmental assessments.
- Dual Backlit LCD Display: Ensures easy readability in different lighting conditions, enhancing usability.
- Multi-Point Average and Timed Average Modes: Facilitates detailed analysis of air flow for more accurate data collection.
- Min/Max Recall: Allows users to track the highest and lowest readings for better monitoring of air conditions.
- Data Hold Function: Freezes the current reading on display, simplifying measurement in hard-to-view locations.
- Auto Power Off: Saves battery life with an option to disable, ensuring the device is ready when needed.
- NIST Certification: Comes with a certificate of traceability to NIST standards, ensuring accuracy and compliance.
Triplett CFM400-NIST Detailed Specifications
| Feature | Details |
|---|---|
| Measurement Range – Air Velocity | Up to 5900 ft/min (30 m/s) |
| Measurement Range – Air Flow | Up to 99999 CFM/CMM |
| Temperature Measurement | Up to 140°F (60°C) |
| Display | Dual backlit LCD |
| Power Source | 4 AAA batteries included |
| Warranty | 1 year |
| Calibration | NIST traceable, lead-time 3-5 days for calibration |



















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