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YELLOW JACKET
Anemometer/Thermometer
FPM, CFM and temperature readings with one hand-held instrument
Operation
and Maintenance
UPC No.
68915
686800
The YELLOW JACKET Anememoter
/ Thermometer 68915 is a versatile
instrument that measures air velocity
®
(FPM - feet per minute; or MPS -
meters per second), air flow volume
(CFM - cubic feet per minute; or CMS
- cubic meters per second) and
temperature. Temperature is read at
the same time as velocity or flow
measurements in your choice of °F or
°C. The unit eliminates analog charts
that are hard to read and calculate.
Features include:
•
Microprocessor controller
•
Minimum and maximum
recordings
•
Averaging of FPM, MPS or CMS
multipoint readings
•
"Hold" button to freeze LCD
reading
•
Switchable imperial to metric
•
Automatic power shut-off after 20
minutes unless set for continuous
operation in non-sleep mode
•
RS-232 output
Specific applications in the HVAC
industry include environmental paint
booths, air balancing, and many others
where measurement of air velocity,
flow and temperature are essential.
Check for damage immediately.
Carton contents include:
1 pc. hand-held instrument
1 pc. vane type probe head with cable
1 pc. 9-volt alkaline battery
1 pc. maintenance & operation
instructions
1 pc. carrying case
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Summary of Contents for yellow jacket 68915
- Page 1 The YELLOW JACKET Anememoter / Thermometer 68915 is a versatile instrument that measures air velocity YELLOW JACKET ® (FPM - feet per minute; or MPS - meters per second), air flow volume (CFM - cubic feet per minute; or CMS...
- Page 2 “0.” To increase the MAX AVG °F °F value of the second or other digit, YELLOW JACKET Fig. 1 Fig. 2 use the Record Single Point button (see below) to select the digit you Pressing this button changes the want to change.
- Page 3 2. Release only the ON button. in FPM ft/m (fig. 3). 3. After an “n” appears on the LCD, 72.3 release the HOLD button. °F The 68915 will remain on until the Fig. 3 OFF button is pressed. UPC# Description 68915 Anemometer 68916 Replacement 2.75 (70mm)
- Page 4 Continuous Moving Average Multipoint FPM 1. Turn unit on. 1. Turn unit on. 2. Place vane probe head at first point 2. Place vane probe head in front of to be measured. air flow source. 3. After you see the reading in the 3.
- Page 5 7. When the flashing stops, press the Measuring air flow (CFM) HOLD button to save the changed SETTING “FREE AREA” “Free Area” number. The unit will NUMBER go to the CFM measurement mode (fig. 9). o measure CFM, the “Free Area” FLOW 0000 number in the unit is equal to the...
- Page 6 Baud Rate of 1200 or 2400 will appear (see section for You do not need the correct “Free changing Baud Rate). Area” number in the 68915 to measure air velocity (FPM). But 7. Press RECORD and a “5” will by setting the “Free Area”...
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Page 7: Troubleshooting
Changing from Metric 3. When the LCD shows a small to Imperial ft/m, m/s, ˚F and ˚C, release the NEXT DIGIT/AVERAGE button. To change unit readings from A small fm/s and ˚C or ft/m and meters/sec and ˚C to feet/min and ˚F, ˚F will remain on the LCD. -
Page 8: Warranty
Warranty YELLOW JACKET® products from YELLOW JACKET Ritchie Engineering Company, Inc. Products Division are guaranteed to be free from mate- Ritchie Engineering Company, Inc. rial and workmanship defects for a 10950 Hampshire Avenue South period of one year. This guarantee...