Checktemp®1
HI 98509 • HI 98510
Pocket Thermometers
with Stainless Steel Probe,
±0.3°C Accuracy and
Calibration-Check
®
Instruction Manual
www.hannainst.com
Dear Customer,
Thank you for choosing a Hanna product.
Please read carefully this instruction manual before
using the instrument. If you need additional technical
information, do not hesitate to e-mail us at
tech@hannainst.com.
These instruments are in compliance with the
directives.
PRELIMINARY EXAMINATION
Remove the instrument from the packing material
and examine it carefully to make sure that no damage has occurred during shipment. If there is any
damage, immediately notify your Dealer.
Each meter is supplied complete with battery and
instructions.
Note: Conserve all packing material until the instru-
ment has been observed to function correctly.
Any defective item must be returned in its
original packing.
SPECIFICATIONS
Range -50.0 to 150.0°C / -58.0 to 302.0°F
Resolution 0.1°C / 0.1°F
Accuracy
±0.3°C (-20 to 90°C) / ±0.5°C (outside)
±0.5°F (-4 to 1942°F) / ±1°F (outside)
Probe Stainless steel, 1 m (3.3’) cable
Environment 0 to 50°C (32 to 122°F);
RH max 95%
Battery Type 1x1.5V AAA alkaline
Battery Life Approx. 3 years of use
Dimensions 106 x 58 x 19 mm (4.1x5.2x0.7")
Weight 80 g (2.8 oz.)
GENERAL DESCRIPTION
Checktemp
®
1 is a high accuracy thermometer with a
1 m (3.3') cable between the meter and the probe.
The probe utilizes a hightech NTC thermistor sensor to
measure the temperature. Thermistors make it possible
to obtain extremely high accuracy in a very short period
of time.
Thanks to its sharp tip, the probe can easily penetrate
semisolid products such as fruits, vegetables and
cheese, making routine controls simple and quick for
both incoming and outgoing goods.
Moreover, the AISI 316 stainless steel material of the
probe is in compliance with food regulations.
The Calibration-Check® function ensures always accurate measurements: simply activate the “test” switch
and the internal calibration test device will simulate a
0.0°C (32.0°F) signal that has to be read on the LCD
within a range of ±0.3°C (±0.5°F). This assures the
user that the reading is reliable and accurate, every time.
Two models are available:
• HI 98509 (Checktemp®1 C) reads temperature in °C
unit
• HI 98510 (Checktemp®1 F) reads temperature in °F
unit
ºC
OPERATION
• Turn the Checktemp
®
1 on
and dip the probe in the
sample.
An immersion level of 4 cm
is recommended.
• Do NOT immerse the probe
handle.
• Do NOT wrench the probe or put heavy objects
on the cable. If the cable is damaged, the meter
needs to be replaced.
• Wait a few seconds for the display to stabilize
• After use, always switch the meter off.
• Variations in readings or fading display can indicate a low
battery level (see "Battery Replacement section" for
details).
CALIBRATION CHECK SWITCH
Move the Cal-check® on the rear of the meter to the
"Test" position.
The display should show 0.0°C (±0.3°C) or 32°F
(±0.5°F).
Contact your dealer or the nearest Hanna Service
Center for recalibration, if necessary.
Move the Cal-check
®
switch back to the "Run"
position, and the display will return to normal measurement mode.
BATTERY REPLACEMENT
When the Checktemp® 1 cannot be switched on or
the display fades, remove the two screws, remove
the battery cover and change the 1.5V AAA battery,
while paying attention to its polarity.
Replace the cover and tighten the two screws.
Battery should only be replaced in a safe area using
an alkaline 1.5V AAA battery.
ISTCHT1R2 07/05
BATTERY1.5V AAA BATTERY1.5V AAA
RUN RUN
ON ON
TEST
0°C/32°F
TEST
0°C/32°F
OFF OFF
+-
Recommendations for Users
Before using this product, make sure that it is entirely suitable for the
environment in which it is used. Operation of this instrument in residential
areas could cause interference to radio and TV equipment. Any variation
introduced by the user to the supplied equipment may degrade the
instrument's EMC performance. To avoid electrical shocks, do not use
this instrument 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.
WARRANTY
These meters are guaranteed for one year against defects in workmanship and materials when used for its
intended purpose and maintained according to instructions. Probes are guaranteed for a period of six months.
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 shipment costs prepaid.
When shipping any instrument, make sure it is properly
packaged for complete protection.
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