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Summary of Contents for Digi-Sense 20250-14
- Page 1 User Manual CFM/CMM Vane Thermoanemometer with NIST-Traceable Calibration Model 20250-14 THE STANDARD IN PRECISION MEASUREMENT...
- Page 2 Introduction The Digi-Sense CFM/CMM Vane Thermoanemometer (Model 20250-14) measures air velocity, airflow (volume), and temperature. The large, easy-to-read backlit LCD includes primary and secondary displays plus numerous status indicators. The meter features 2 memory locations (1 for CFM and 1 for CMM) to store and recall commonly used area sizes.
- Page 3 Display Layout • : Low-battery indicator Smaller LCD digits at top right of display for probe temperature • °C / °F: temperature units of measure • REC: indicates that min/max function is run- ning (air velocity or airflow measurement) • MAX: maximum hold for air velocity or airflow measurement •...
- Page 4 Setup and Operation (continued) Side view of Vane Air Velocity Measurements (Single Point) Arrow 1. Turn on the meter using the On/Off button. 2. Press UNITS button to select the desired unit of measure. Note: At power-up the meter will dis- play the last unit of measure previously entered.
- Page 5 Setup and Operation (continued) Data Hold (Air Velocity/Airflow) 1. While taking measurements, press the HOLD button to freeze the air velocity/air flow reading. 2. The HOLD indicator will appear in the middle of the LCD. 3. Press HOLD button again to return to normal operation. MAX/MIN/AVG Record (Air Velocity/Airflow) This allows the user to record and view the highest (MAX), lowest (MIN), and average (AVG) readings.
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Page 6: Specifications
Specifications Air velocity Range Resolution Accuracy m/s (meters per sec) 0.40 to 30.00 m/s 0.01 m/s ±(3% + 0.20 m/s) ft/min (feet per minute) 80 to 5900 ft/min 1 ft/min ±(3% + 40 ft/m) km/h (kilometers per hour) 1.4 to 108.0 km/h 0.1 km/h ±(3% + 0.8 km/h) MPH (miles per hour) - Page 7 3. Replace the three AAA batteries. 4. Close and rescrew the plastic cover. It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measurements; however, your quality system or regulatory body may require more frequent calibrations. To schedule your recalibration, please contact InnoCal, an ISO 17025 calibration laboratory accredited by A2LA.
- Page 8 For Product and Ordering Information, Contact: Toll-Free: 1-800-358-5525 Phone: 1-847-327-2000 Fax: 1-847-327-2700 Davis.com/Digi-Sense 1065DGMAN_20250-14 Rev.1 Manual Part No. 00100-53...
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