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Page 5
¬
Display
Custom Liquid Crystal Display, shows Relative Humidity &
Temperature simultaneously. Indicators show the current mode.
-
On / Off Switch (
).
Press to switch the
MC-83
on. Press a second time to switch the unit
back off. Alternatively, the
MC-83
will switch itself off if no button has
been pressed for 10 minutes.
®
HOLD
Press to freeze a reading on the display. “
D.H
” is shown on the
display whilst in Data Hold mode. Press a second time to un-freeze
the display. This feature is useful in rapidly changing environments
(see section 3).
¯
o
C /
o
F
Selects either
O
Celsius or
O
Fahrenheit units in Temperature readout
mode. The display shows “
O
C” or “
O
F” accordingly. See section 2.
°
RECORD
Press to start recording Maximum, Minimum and Average values.
Press a second time to stop recording these values. See section 4 for
a full description of this function.
±
RECALL
Press to sequentially recall Maximum, Minimum and Average values
recorded using the Record function. See section 4 for a full
description of this function.
²
Relative Humidity & Temperature Probe
The Relative Humidity & Temperature Sensor is conveniently
supplied with 1 metre of cable. The humidity sensor is a high
precision thin-film capacitance type for fast response. The thermistor
type temperature sensor is also designed for fast response in air.
³
Sensor INPUT socket.
Plug the sensor into this socket. Take care to align the plug correctly
with the socket.
´
Battery Compartment / Cover
Undo the retaining screw and slide out the cover to access the
battery.