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User Manual

THE STANDARD IN PRECISION MEASUREMENT

CFM/CMM Vane Thermoanemometer

with NIST-Traceable Calibration

Model 20250-14

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Содержание 20250-14

Страница 1: ...User Manual THE STANDARD IN PRECISION MEASUREMENT CFM CMM Vane Thermoanemometer with NIST Traceable Calibration Model 20250 14 ...

Страница 2: ...ometer vane sensor on 3 9 ft 120 cm cable 3 Three AAA batteries 4 User manual 5 NIST traceable calibration report with data Meter Description 1 BACKLIGHT button Press to turn the backlight on and off 2 MAX MIN button Use to record and store the highest lowest and average air velocity or airflow readings 3 AREA button Press and hold to manually enter the area of a duct in CFM or CMM mode In AREA mo...

Страница 3: ...y units of measure CFM CMM airflow units of measure X10 X100 multipliers for air flow readings Large LCD digits at bottom of display for air velocity and airflow Smaller LCD digits at top right of display for probe temperature Setup and Operation Connecting the Vane 1 The vane plug is inserted in meter s sensor jack at the top of meter The plug and jack are keyed so that the plug can only fit in t...

Страница 4: ...ay the last unit of measure previously entered 3 Place the sensor in the air stream Ensure that the air enters the vane as indicated by the arrow sticker placed inside the vane Refer to the diagram The large main LCD display shows the Air Velocity reading The upper right LCD subdisplay shows the temperature reading The meter has 2 memory locations 1 for CFM and 1 for CMM that can be used to store ...

Страница 5: ...utton again to view the average reading The AVG indicator along with the average reading will appear on the LCD Note Average recording will stop automatically after 2 hours and the upper LCD subdisplay will show OFF only in the average mode 4 Press the MAX MIN button again to display current readings Now only REC is displayed and the meter will continue recording MAX MIN AVG readings 5 To clear an...

Страница 6: ...stom LSI microprocessor circuit Display Dual function 16 mm 4 digit LCD Sampling rate Approximately 1 reading per second Sensors Air velocity flow sensor Conventional angled vane arms with low friction ball bearing Temperature sensor NTC type precision thermistor Automatic power off Unit shuts off automatically after 20 minutes to preserve battery life Operating temperature 32 to 122 F 0 to 50 C O...

Страница 7: ...The plastic cover must be removed with a screwdriver 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 cal...

Страница 8: ...1065DGMAN_20250 14 Rev 1 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 Manual Part No 00100 53 ...

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