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User Manual
CFM100
Thermo-Anemometer
Introduction
Congratulations on your purchase of the Triplett CFM100 Thermo-
Anemometer. The CFM/CMM Thermo Anemometer instrument measures
Air Velocity, Air Flow (volume) and Temperature. The large, easy-to-read
backlit LCD includes primary and secondary displays plus numerous status
indicators.
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Table of Contents
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Summary of Contents for Triplett CFM100
- Page 1 User Manual CFM100 Thermo-Anemometer Introduction Congratulations on your purchase of the Triplett CFM100 Thermo- Anemometer. The CFM/CMM Thermo Anemometer instrument measures Air Velocity, Air Flow (volume) and Temperature. The large, easy-to-read backlit LCD includes primary and secondary displays plus numerous status indicators.
- Page 2 Safety Do not operate the meter in environments where the following are present: explosive gases (or materials), combustible gases (or materials), steam, or dust. Please replace the battery immediately when the low battery symbol appears on the LCD. ...
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Page 3: Display Overview
Display Overview VEL: indicates that meter is in air velocity mode FLOW: indicates that meter is in air flow mode MAX (bottom of LCD): Max Hold for the Air Velocity and Air Flow function HOLD (bottom of LCD): Data Hold for the Air Velocity and Air Flow function ... -
Page 4: Operation
Operation Connecting the Vane 1. The vane plug is inserted in the meter’s sensor jack at the top of the meter. The plug and jack are keyed so that the plug can only fit in the jack one way. 2. Turn the plug carefully until it lines up with the jack and then firmly push the plug in place. - Page 5 Air Flow Measurements (CMM / CFM) Turn on the meter using the ON/OFF button Side view of Press the UNITS button to select the desired air flow Vane units: CMM (cubic meters per minute) or CFM (cubic feet per minute). NOTE: At power up the meter will Arro display the last unit of measure previously entered.
- Page 6 Data Hold (Air Velocity/Air Flow) 1. While taking measurements, press the HOLD button to freeze the air velocity/air flow reading. 2. The HOLD indicator will appear in the bottom of the LCD display. 3. Press HOLD again to return to normal operation. MAX/MIN/AVG Record (Air Velocity/Air Flow) This allows the user to record and view the highest (MAX), lowest (MIN) and average (AVG) readings.
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Page 7: Battery Replacement
4. Note that AUTO POWER OFF is re-enabled each time the meter is turned 5. Also note that AUTO POWER OFF is disabled in CFM/CMM or Average mode. Battery Replacement When appears on the LCD, the 3*1.5V AA battery must be replaced. 1. -
Page 8: Specifications
Specifications Air Velocity Range Resolution Accuracy ± (3% + 0.20 m/s (meters per sec) 0.40 - 30.00 m/s 0.01 m/s m/s) ± (3% + 0.8 km/h (kilometers/hour) 1.4 - 108.0 km/h 0.1 km/h km/hr) ± (3% + 40 80 – 5900 ft/min ft/min (feet per minute) 1 ft/min ft/m) -
Page 9: General Specifications
General Specifications Circuit Custom LSI microprocessor circuit Display Dual function 4-digit LCD Sampling rate 1 reading per second approx. Sensors Air velocity/flow sensor: Conventional angled vane arms with low-friction ball bearing Temperature sensor: NTC-type precision thermistor Automatic Power off Auto shut off after 20 minutes to preserve battery Operating Temperature 32 to 122°F (0 to 50°C) Storage Temperature... -
Page 10: Useful Equations And Conversions
Useful Equations and Conversions Area equation for rectangular or square ducts Height (H) Area (A) = Width (W) x Height (H) Width (W) Area equation for circular ducts Radius Area (A) = Where = 3.14 and r = radius x ... - Page 11 Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.