Sper Scientific 850070 Environmental Quality Meter - Mini - Manual (Page 4)

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III. OPERATING INSTRUCTIONS.
A. MEASUREMENT PROCEDURES
Turn on the instrument by pressing the
POWER button (fig 1-1). See page 3 for
button locations. The full display appears,
then counts down to 00000. The meter
defaults to the last used unit of measure.
1. Air Velocity Measurement
• Press the FUNCTION button (fig 1-6) to
select the Anemometer function.
• Press the UNIT/ZERO button (fig 1-4)
to select the unit of measure: (knot, Km/
h, m/S, FPM, mph).
• Press the °C/°F button (fig 1-5) to
select Centigrade or Fahrenheit.
• Aim the AIR FLOW SENSOR (fig 1-7)
toward the source to be measured.
• Air velocity, temperature and the unit of
measure are displayed on the LCD.
2. Thermocouple Measurement
• Plug a Type K thermocouple probe
(not included) in the THERMOCOUPLE
INPUT SOCKET, making sure that the
that the polarity is correct.
• Press the FUNCTION button (fig 1-6) to
select the Thermocouple function
• Press the °C/°F button (fig 1-5) to select
Centigrade or Fahrenheit.
• Make contact between the probe and
the object to be measured.
• The temperature and the unit of meas-
ure are displayed on the LCD.
• Temperature differences between the
probe and the meter can cause inaccu-
rate results. If applicable, allow a few
minutes for the probe and meter to
adjust to the ambient temperature.