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LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for two years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
Introduction The 923 Air Velocity Meter (the Product) is a handheld, indoor-air quality diagnostic instrument. It uses a probe that can be used while attached to the Product or in wireless mode away from the Product base. The Product measures, calculates, and displays: •...
Air Velocity Meter Features Features The Product features: • A wireless telescopic probe • LED backlight • Auto power off • Low-battery indicator • Velocity alarm • US and Metric measurement options • Single-point and continuous data log options • Probe sensor cover •...
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Users Manual SAVE grx001.eps Figure 1. The Product...
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Air Velocity Meter Product Use Table 2. The Product Item Description Item Description Display (LCD) Shift button Power button Save button. Push Shift to set air velocity alarm. Backlight button IR Sensor Velocity button. Push Save button ...
Users Manual The Display Figure 2 and Table 3 show the display. grx002.eps Figure 2. Display...
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Air Velocity Meter Product Use Table 3. Display Item Description Item Description Millimeters of Mercury Flow indicator indicator Low battery indicators Velocity indicator for the Probe and the Product body Clear All? indicator Velocity alarm indicator ...
Users Manual Buttons Table 4 explains the Product buttons. Table 4. Buttons Button Function Power- Push to turn the Product on or off. Backlight- Push to turn the backlight on or off. Velocity- Push to see velocity and temperature. Units When used with ...
Air Velocity Meter Product Use Table 4. Buttons (cont.) Button Function Enter- Push when you set the measurement or function parameters to keep the value. When Recall used with and and , you can recall recorded data. Shift- The Products secondary functions operate with .
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Users Manual grx006.eps Figure 3. Detach the Probe Use the Probe while it is attached to the Product base, as shown in Figure 1 or use it in wireless mode away from the base, as shown in Figure 4.
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Air Velocity Meter Product Use grx005.eps Figure 4. Velocity Probe Use...
Users Manual IR and RF Communication When the Probe is connected the Product base, the two communicate with infrared (IR) sensors. When the Probe is used away from the base in wireless mode, the Probe uses radio frequency (RF) to communicate with the base. If unable to communicate in RF mode, turn the Product off, connect the Probe to the base, and push ...
Air Velocity Meter Product Use To measure velocity: Push . Put the probe sensor perpendicular (90 °) to the air stream that you will measure. Make sure that the sensor cover is pulled back to show the sensor. Push on the Product base, or on the Probe to capture the velocity reading.
Users Manual Put the Probe sensor perpendicular to the air stream that you will measure. Make sure that the sensor cover is pulled back to show the sensor. Push on the Product base, or on the Probe to record the flow indication.
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Air Velocity Meter Product Use The first Flow units screen shows. To change the measurement units for the duct size to centimetres (cm) or inches (in): Push and to choose between cm and in. Push to save the choice. The second Flow units screen shows.
Users Manual Velocity Alarm The velocity alarm starts if the measurement is above the alarm user preset. When the alarm goes off, the Product base vibrates and beeps one time per second. The alarm can also be turned off. To set the velocity alarm: Push .
Air Velocity Meter Maintenance Recall To recall a sample: Push . Push (Recall). RECALL shows on the display. The sample number also shows on the display. To move through the samples, push and . The data for each sample is shown on the display. Calculate Average To calculate the average from the samples that have been stored push .
Users Manual How to Clean the Product Regularly wipe the case and holster with a damp cloth and mild detergent. Caution To prevent damage to the Product, do not use abrasives or solvents to clean the Product case. How to Change the Batteries The Product modules are energized by batteries.
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Air Velocity Meter Maintenance grx004.eps Figure 5. Probe Battery Replacement...
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Users Manual grx003.eps Figure 6. Base Battery Replacement...
Air Velocity Meter How to Contact Fluke How to Contact Fluke To contact Fluke, call one of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853) • Canada: 1-800-36-FLUKE (1-800-363-5853) • Europe: +31 402-675-200 •...
Air Velocity Meter Specifications Mechanical Specifications Size (H X W X L) (5.3 x 8.9 x 43.2) cm (2.1 x 3.5 x 17) in Weight .385 kg (.85 lb) Environmental Specifications 0 °C to +50 °C Operating Temperature -20 °C to +60 °C Storage Temperature Non condensing (<10 °C) Operating Humidity...
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