9
Operating Instructions
Power ON/OFF
Turn the meter on by pressing the
POWER
button. To turn the meter off,
press and hold the
POWER
button for 2 seconds.
Note:
This meter can be powered by either six (6) "AA" batteries or AC
adapter (sold separately).
Selecting Measurement Modes
The R4700SD offers 4 types of measurement modes:
• Air Velocity/Temperature
• Humidity/Temperature
• Type K/J Thermocouple Temperature
• Light Meter
1. When the meter is on, press and hold the FUNCTION button to scroll
through the measuring modes. The display will flash "An" (for air
velocity/temperature measurements), "rH" (for humidity/
temperature measurements), "tP" (for type K/J thermocouple
temperature measurements), "LIgHT" (for light measurements).
2. Release the FUNCTION button to confirm selection.
Air Velocity/Temperature Measurement
1. Plug the environmental probe into the
probe input socket while the meter
is off.
2. Once the meter is powered up,
select "An" function (see
Selecting
Measurement Modes
for details).
3. Hold the probe handle and face
the anemometer head towards the
direction of the airflow. The top part
of the display will indicate the air velocity, and the lower part of the
display will indicate the air temperature value as shown above.
continued...
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