Dwyer MIT - Manual (Page 2)

LCD Error Messages
The thermometer incorporates visual diagnostic messages as follows.
“HI/LOW”: “Hi” or “Lo” is displayed when the temperature is outside
the measurement range of the instrument. “Hi” would appear above
250˚C (482˚F) and “Lo” would appear under-65˚C (-67˚F).
“Er2”: Displays when the thermometer is exposed to rapid changes
in the ambient temperature.
“Er3”: Displays when the ambient temperature exceeds 32°F (0°C) or
122°F (50°C). The thermometer should be allowed plenty of time (min-
imum 30 minutes) to stabilize to the working/room temperature.
“Er”: For all other error messages it is necessary to reset the ther-
mometer. To reset it, turn the instrument off, remove the battery and
wait for a minimum of one minute, reinsert the battery and turn it on.
If the error message remains please contact the Dwyer Customer
Service department for further assistance.
Batteries:
The thermometer incorporates visual low battery indication as follows.
Battery OK: Measurements are possible.
Battery Low: Battery needs to be replaced, measurements are still
possible.
Battery Exhausted: measurements are not possible. When the low
battery icon indicates the battery is low, the batteries should be
replaced immediately with CR2032 batteries.
Please Note: It is important to turn the thermometer off before replac-
ing the battery otherwise the thermometer may malfunction. Dispose
of used batteries promptly and keep away from children.
EMC/RFI
Readings may be affected if the unit is operated within radio frequen-
cy electromagnetic field strength of approximately 3 volts per meter,
but the performance of the instrument will not be permanently affect-
ed.
CAUTION
1. When device is in use, do not look directly into the laser
beam - Permanent eye damage may result.
2. Use extreme caution when operating the laser.
3. Never point the device towards anyone’s eyes.
4. Keep out of reach of all children.
MAINTENANCE
A periodic check of the system calibration is recommended. The
Series MIT is not field serviceable and should be returned if repair is
needed (field repair should not be attempted and may void warranty).
Be sure to include a brief description of the problem plus any relevant
application notes. Contact customer service to receive a return goods
authorization number before shipping.
Storage and Cleaning
The sensor lens is the most delicate part of the thermometer. The lens
should be kept clean at all times, care should be taken when cleaning
the lens using only a soft cloth or cotton swab with water or medical
alcohol. Allowing the lens to fully dry before using the thermometer.
Do not submerge any part of the thermometer. The thermometer
should be stored at room temperature between -4°F and 149ºF (-20ºC
to 65ºC).
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©Copyright 2007 Dwyer Instruments, Inc. Printed in U.S.A. 6/07 FR# R5-443383-00
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
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