User Guide

www.hannainst.com
Hanna Instruments reserves the right to modify the design, construction and
appearance of its products without advance notice.
WARRANTY
Dear Customer,
Thank you for choosing a Hanna product. This manual will
provide you with the necessary information for correct opera-
tion. Please read it carefully before using the meter. If you
need additional technical information, do not hesitate to e-
mail us at [e-mail].
These instruments are in compliance with the direc-
tives.
PRELIMINARY EXAMINATION
GENERAL DESCRIPTION
FUNCTIONAL DESCRIPTION
These Instruments are in
Compliance with CE
Directives
SPECIFICATIONS
Instruction Manual
HI 8757 - HI 8758
Portable Microprocessor
K-Type Thermocouple
Thermometers
All Hanna Instruments meters are warranted for two years against
defects in workmanship and materials when used for their intended pur-
pose and maintained according to instructions. Sensors and 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 main-
tenance 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.
First obtain a Returned Goods Authorization number from the Customer
Service department, then return the instrument with the Authorization #
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 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 Island, 02895 , USA.
Remove the instrument from the packing material and
examine it carefully to make sure that no damage has
occurred during shipping. If there is any noticeable damage,
notify your Dealer or the nearest Hanna Office.
Note: Save all packing materials until you are sure that the
instrument functions correctly. Any defective item must
be returned in the original packaging together with
the supplied accessories.
SPECIFICATIONS
Range (*)
Resolution
(Autoranging)
Accuracy
(@20°C/68°F)
EMC Typical
Deviation
Display
Battery Type
Life
Probe
Environment
Dimensions
Weight
1) LCD display
2) Rotary switch
3) OFF mode
4) Measurement mode
HI 8757
HI 8758
HI 8757 and HI 8758 are Hanna microprocessor-based, K-
type thermocouple thermometers specially dedicated to
education.
These meters perform measurements either in °C (HI 8757)
or °F (HI 8758) in a wide range of temperature; readings
are linearized for increased accuracy, and resolution is
automatically switched from 0.1° to 1° for temperatures
above 200°C (400°F).
These thermometers are also provided with battery level
indication at start-up, and with the BEPS feature (Battery
Error Prevention System), which automatically switches the
instrument off when the battery is discharged to avoid
erroneous readings due to low battery level.
Each meter comes complete with a 9V battery and instruc-
tion manual.
(*) Range may be limited by probe.
(*) Range may be limited by probe.
HI 8757
-50.0 to 199.9°C / 200 to 1350°C
0.1°C (-50.0 to 199.9°C)
1°C (200 to 1350°C)
±0.5% F.S.
excluding probe error
±0.5ºC
with HI766 K-thermocouple probe
4-digit LCD
1 x 9V (IEC 6LR61) battery
approx. 500 hours of continuous use
K-type thermocouple (see “Accessories”)
-10 to 50ºC (14 to 122ºF);
max. 95% RH non-condensing
180 x 83 x 40 mm (7.1x3.3x1.6")
226 g (8 oz.) meter only
HI 8758
-58.0 to 399.9°F / 400 to 2462°F
0.1°F (-58.0 to 399.9°F)
1°F (400 to 2462°F)
±0.5% F.S.
excluding probe error
±1ºF
with HI766 K-thermocouple probe
4-digit LCD
1 x 9V (IEC 6LR61) battery
approx. 500 hours of continuous use
K-type thermocouple (see “Accessories”)
-10 to 50ºC (14 to 122ºF);
max. 95% RH non-condensing
180 x 83 x 40 mm (7.1x3.3x1.6")
226 g (8 oz.) meter only
SPECIFICATIONS
Range (*)
Resolution
(Autoranging)
Accuracy
(@20°C/68°F)
EMC Typical
Deviation
Display
Battery Type
Life
Probe
Environment
Dimensions
Weight