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ACCESSORIES
OPERATIONAL GUIDE
Remove the battery cover on the back of the thermometer.
Unwrap the supplied 9V battery, connect it to the battery clip
and reattach the cover.
Connect the temperature probe to the connector on the top of
the meter.
To switch ON, turn the rotary knob to
the ºC or ºF position (depending on
the model).
The meter displays the percentage
indication of the remaining battery
life for a few seconds, and then enters
measurement mode.
If a temperature probe is plugged in, the meter displays the
measured temperature either in °C (HI 8757) or °F (HI
8758), automatically switching to the resolution suitable to
the temperature range; i.e. 0.1° up to 199.9°C (399.9°F),
or 1° above.
If no probe is plugged in, or if read-
ing is over-range, the display shows
flashing dashes.
If a measurement is slightly over the range of the meter
specifications, the display flashes the closest full-scale value.
To switch the thermometer OFF, turn
the rotary knob to OFF.
FACTORY RECALIBRATION
All Hanna thermometers have been accurately pre-calibrated
at the factory. It is generally recommended to have all
thermometers recalibrated at least once a year.
For an accurate annual recalibration, contact your dealer or
the nearest Hanna Service Center.
BATTERY REPLACEMENT
The instrument is powered by a 9 V battery and is provided
with Battery Error Prevention System (BEPS), which turns the
unit off when a low battery signal is detected.
When the battery level is less than
10%, a warning symbol blinks on
the display to indicate a low battery
condition.
It is recommended to replace the battery as soon as the low
battery condition is detected.
Remove the cover on the meter's back by applying pressure in
the indicated direction. Unplug the rundown battery and
replace it with a new one.
Battery replacement must only take place in a nonhazardous
area using a 9V alkaline battery.
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, requiring the operator to take all necessary steps to correct interference.
Any variation introduced by the user to the supplied equipment may degrade the instruments' EMC
performance.
To avoid electrical shock, do not use these instruments when voltage at the measurement surface
exceeds 24 Vac or 60 Vdc.
To avoid damage or burns, do not perform any measurement in microwave ovens.
CE DECLARATION OF CONFORMITY
K-TYPE THERMOCOUPLE PROBES
with integral handle, 1 m (3.3’) cable & mini-connector,
for several applications:
HI 766A Roller surface, max 320°C/600°F
HI 766B Surface, max 650°C/1200°F
HI 766B1 90º surface, max 450°C/840°F
HI 766B2 Spring-loaded, surface, max 900°C/1650°F
HI 766B3 Spring-loaded, small surface probe
with insulated shaft, max 200°C/390°F
HI 766C Penetration, max 900°C/1650°F
HI 766C1 Ultra-fast penetration, max 300°C/570°F
HI 766D Air probe, max 300°C/570°F
HI 766E1 General purpose probe, max 900°C/1650°F
HI 766E2 General purpose probe, max 900°C/1650°F
HI 766F High temperature, flexible wire probe
without handle, max 1100°C/2000°F
HI 766F1 Flexible wire probe without handle, max
480°C/ 900°F
HI 766TR1 Penetration, max 250°C/482°F
HI 766TR2 Penetration long probe, max 250°C/482°F
HI 766TV1 Pipe clamp probe, max 200°C/390°F
with detachable handle & mini-connector (to be used
in conjunction with the HI 766HD probe handle):
HI 766PA Roller surface, max 320°C/600°F
HI 766PB Surface, max 650°C/1200°F
HI 766PC Penetration, max 900°C/1650°F
HI 766PD Air, max 300°C/570°F
HI 766PE1 General purpose, max 900°C/1650°F
HI 766PE2 General purpose, max 900°C/1650°F
grill surface probe:
HI 766B4 Grill surface probe with 70 cm (27.6’’)
cable (protected with stainless steel jacket),
max 250°C/482°F
HI 7664B4S Spare stainless steel sensor for HI766B4 probe
OTHER ACCESSORIES
HI 710002 Soft carrying case
HI 710009 Shockproof rubber boot, blue
HI 710010 Shockproof rubber boot, orange
HI 721316 RUGGED carrying case
HI 766EX Extension cable for K-type probes
HI 766HD Rugged thermocouple probe handle with
1m (3.3') cable fitted with mini-connector
ACCESSORIES
IST8757R1 06/05