RH350/355 V2.1 8/08

4

Backlight Display

Press the

[M

for ten seconds.

Automatic Power OFF

With the meter off, press and hold down the

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

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

“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

5. Press

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.

Warranty

EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to

be free of defects in parts and workmanship for one year from date of shipment (a six

month limited warranty applies to sensors and cables). If it should become necessary to

return the instrument for service during or beyond the warranty period, contact the

Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our

website www.extech.com for contact information. A Return Authorization (RA) number

must be issued before any product is returned to Extech. The sender is responsible for

shipping charges, freight, insurance and proper packaging to prevent damage in transit.

This warranty does not apply to defects resulting from action of the user such as misuse,

improper wiring, operation outside of specification, improper maintenance or repair, or

unauthorized modification. Extech specifically disclaims any implied warranties or

merchantability or fitness for a specific purpose and will not be liable for any direct, indirect,

incidental or consequential damages. Extech's total liability is limited to repair or

replacement of the product. The warranty set forth above is inclusive and no other

warranty, whether written or oral, is expressed or implied.