3
2
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it to
make sure that no damage has occurred during shipping. If there is
any damage, notify your dealer or the nearest Hanna Customer
Service Center.
Each meter is supplied complete with:
• 3 x 1.5V AA alkaline batteries
• Instruction manual.
Note:
Save all packing material until you are sure that the
instrument functions correctly. All defective items must be
returned in the original packing with the supplied accessories.
Dear Customer,
Thank you for choosing a Hanna product.
Please read this instruction manual carefully before using the instru-
ment.
If you need additional technical information, do not hesitate to e-mail
us at
.
These instruments are in compliance with the
directives.
GENERAL DESCRIPTION
These instruments are powerful and flexible thermometers, which can
take measurements using different types of thermocouple probes (K, J
and T), and have been designed using the latest microprocessor
technology to provide reliable and accurate high resolution measure-
ments in a wide temperature reange.
Standard features include dual-level LCD (which allows continuous
displaying of High and Low temperature values), °C/°F selection,
HOLD function, auto-off capability, remaining battery life indication,
low battery detection, long battery life and two-year warranty.
HI 93542
,
HI 93552
and
HI 93552R
are two-channel thermometers,
ideal for monitoring two samples at once.
HI 93551N
,
HI 93551R
,
HI 93552
and
HI 93552R
offer additional
features, such as calibration of meter and probe at 0°C, backlit
display, and capability to store and recall a reading.
Moreover, the
HI 93551R
and
HI 93552R
models are equipped with
a serial port interface.
WARRANTY
All Hanna Instruments
meters are warranted for two years
against defects
in workmanship and materials when used for their intended purpose and main-
tained according to instructions.
The
probes are warranted for a period of
six months
.
This warranty is limited to repair or replacement free of charge. Damages due to
accidents, misuse, tampering or lack of prescribed maintenance are not covered.
If service is required, contact the dealer from whom you purchased the instru-
ment. If under warranty, report the model number, date of purchase, serial
number and the nature of the failure. First obtain a Returned Goods Authoriza-
tion number from the Customer Service department, then return the instrument
with the Authorization number included along with shipment costs prepaid. If the
repair is not covered by the warranty, you will be notified of the charges. When
shipping any instrument, make sure it is properly packaged for complete protec-
tion.
TABLE OF CONTENTS
Preliminary Examination ............................................................... 3
General Description ....................................................................... 3
Specifications of HI 93551 and HI 93551N .................................. 4
Specifications of HI 93542 and HI 93552 .................................... 6
Specifications of HI 93551R and HI 93552R ................................ 8
Operational Guide ..................................................................... 10
Serial Port Communication ......................................................... 15
User Calibration ......................................................................... 16
Factory Recalibration .................................................................. 16
Battery Replacement .................................................................. 17
Accessories .................................................................................. 18
All rights are reserved. Reproduction in whole or in part is prohibited without the
written consent of the copyright owner, Hanna Instruments Inc.
Hanna Instruments reserves the right to modify the design, construction and
appearance of its products without advance notice.
