Minimum (Mn) Maximum (Mx) Average (Avg) Function; Backlight Display; Automatic Power Off; Manual Datalogging - Extech Instruments RH355 User Manual

Minimum (MN) Maximum (MX) Average (AVG) Function

The MIN/MAX/Average mode allows the user to view only the lowest (MN), highest (MX) or
average readings. Press the [M
display is now showing the lowest humidity and temperature readings in memory. Press the
[M /AV ] button again and MX appears on the display. The display is now showing the
in
RST
maximum humidity and temperature readings in memory. Press the [M
to display the average (AVG) readings in memory. To exit the MIN/MAX/AVG mode, press
the [M /AV ] button. To clear the current min/max/avg readings in memory, press and hold
in
RST
the [M /AV ] button for more than two seconds.
in
RST

Backlight Display

in
Press the [M /AV
RST
for ten seconds.

Automatic Power OFF

With the meter off, press and hold down the [ON/OFF
1 second to enter auto power off settings. Press the [MEM] button to select non-sleep (n) or
2, 5, 10, 20, 40 and 60 minutes autosleep. Press [T2

Manual Datalogging

Manual datalogging allows the user to store and recall up to 99 readings with the press of a
button.
1. Press the [MEM] button to manually store a single reading into memory. The display
will flash 3 times and the memory location number will be displayed below the humidity
reading.
2. To view stored readings, press and hold the [REC
"RECALL" will blink next to the memory location number on the display.
3. Press the [MEM] button to manually increment through the stored readings.
4. Press [REC
HOLD
5. Press [REC
HOLD
Note: In RECALL mode, pressing the [M
search the stored readings in memory and display the minimum, maximum and
average values of the stored readings.
Note: An infrared printer port is located on the side of the meter. This feature is used on more
advanced models and is not functional on this model.
/AV ] button once and MN appears on the display. The
in RST
] and [MEM] buttons together to turn on the backlight. It will remain on
] + [MEM] for more than 1 second to clear the memory.
] for more than 1 second to return to normal operation.
in
] + [REC
SET
] to confirm the selection.
▲
WB
] button for 2 seconds and
HOLD
/AV ] button for min/max/avg readings will auto
RST
4
/AV ] button again
in
RST
] buttons for more than
HOLD
RH350/355 V1.7 11/04