User Guide

Recommendations for Users
Before using these products, make sure that they are
entirely suitable for the environment in which they are used.
Operation of these instruments in residential areas could
cause unacceptable interference to radio and TV equipment.
The metal band at the end of the probe is sensitive to electro-
static discharges. Avoid touching this metal band at all times.
During operation, ESD wrist straps should be worn to avoid
possible damage to the probe by electrostatic discharges.
Any variation introduced by the user to the supplied equip-
ment may degrade the instrument’s EMC performance.
To avoid electrical shock, do not use these instruments when
voltage at the measurement surface exceed 24 VAC or 60 VDC.
To avoid damage or burns, do not perform any measurement
in microwave ovens.
ISTRHI148R1 02/2000
www.hannainst.com
Hanna Instruments reserves the right to modify the design, construction
and appearance of its products without advance notice.
WARRANTY
HI 148-00/01 Thermometer are warranted for one year
against defects in workmanship and materials when used
for their intended purpose and maintained according to
instructions. The sensor are warranted for a period of one
year also. This warranty is limited to repair or replacement
free of charge.
Damages due to accident, misuse, tampering or lack of
prescribed maintenance are not covered.
If service is required, contact the dealer from whom you
purchased the instrument. If under warranty, report the
model number, date of purchase, serial number and the
nature of the failure. If the repair is not covered by the
warranty, you will be notified of the charges incurred. If the
instrument is to be returned to Hanna Instruments, first
obtain a Returned Goods Authorization Number from the
Customer Service department and then send it with ship-
ment costs prepaid. When shipping any instrument, make
sure it is properly packaged for complete protection.
All rights are reserved. Reproduction in whole or in part is
prohibited without the written consent of the copyright
owner, Hanna Instruments Inc., Woonsocket, Rhode Is-
land, 02895 , USA.
• Replace the rear panel and the gasket, ensuring the
unit is properly closed.
• Whenever the temperature reading reaches the setpoint
value (considering the hysteresis) the alarm LED starts
blinking.
• Move the switch to the left (SET Mode).
• With a small screwdriver adjust the setpoint trimmer to
display the desired value in the 0 to 50 ºC or in the 32
to 122ºF range for the Celsius or Fahrenheit models,
respectively.
• Make sure the switch is moved back to the right
(MEASURE Mode).