General DT340RH User manual
Thank you for purchasing General Tools & Instruments’
DT340RH Rotary Head Digital Stem Thermometer. Please read
this user’s manual carefully and thoroughly before using the
product.
KEY FEATURES
• Head rotates up to 180° to any of nine viewing angles
• Wide measurement range
• Stainless steel stem
• °F/°C switch
• Auto power off
• Storage sleeve with pocket clip
• CE approved
WHAT’S IN THE PACKAGE
The thermometer and storage sleeve come in a white box
along with this user’s manual. An LR44 button battery is
pre-installed in the thermometer head.
PRODUCT OVERVIEW
The following image of the thermometer head shows the
DT340RH’s LCD and two control buttons.
2
OPERATING INSTRUCTIONS
The DT340RH is ready to use “right out of the box.” An LR44
battery is pre-installed in the head.
To measure the temperature of a soft solid or a liquid or gas
,
remove the thermometer from the sleeve and press the
ON/OFF
button. Insert the stem (probe) into the target
substance, bearing in mind that the temperature sensor is at
the base of the probe. Read the temperature on the LCD. To
improve your viewing angle, you can rotate the head up to
180° vertically to any of nine positions.
To change the measurement unit
, press the
°F/°C
button.
To extend battery life, the DT340RH will automatically power
itself following any 10-minute period during which no button
is pushed. The thermometer will “remember” the unit in use
when it powers off and will resume using that unit when it is
next powered on.
SPECIFICATIONS
Measurement Range: -40° to 450°F (-40° to 232°C)
Measurement Accuracy: ±1.8°F (±1°C) from 32° to 212°F
(0° to 100°C); ±3.6 °F (±2°C) elsewhere in range
Measurement Resolution: 0.1° (F or C)
Stem Length: 4.75 in. (121mm)
Auto Power Off Trigger: 10 minutes of front-panel inactivity
Head Rotation Range: 0° to 180°
Head Tilt Angles: 90°, 67.5°, 45°, 22.5°, 0°, -22.5°, -45°,
-67.5°, -90°
Dimensions of Head: 1.83 x 0.94 x 0.75 in. (46 x 24 x 19mm)
3
Display Size: 1 in. diagonal, with 3/8 in. high digits
Weight (including sleeve and battery): 0.7 oz. (20g)
Power Source: (1) LR44 battery (included)
CHANGING THE BATTERY
Change the battery when the LCD grows dim or fails to
display a reading.
The battery is located in a holder in the thermometer head. To
gain access to the battery:
1. Use your fingernails or a small flat-head screwdriver (or
both) to carefully separate the head into two sections.
2. The battery holder is the silver structure on the circuit
board. Remove the old battery by using the tip of a small
screwdriver or a paper clip to push the battery down
through the lower opening of the holder.
3. Install a fresh LR44 battery by using the same tool to push
the new battery up through the lower opening of the holder.
4. Complete the procedure by lining up the two sections
of the head and squeezing them together until you feel and
hear a snap.
If the thermometer fails to turn on following a battery
replacement, you may have dislodged the circuit board.
Re-open the head to check that the board remains properly
mounted.
4
WARRANTY INFOR ATION
This product from General Tools & Instruments (General) is
warranted to the original purchaser to be free from defects in
material and workmanship for a period of one year. Subject to
certain restrictions, General will repair or replace this
instrument if, after examination, the company determines it to
be defective in material or workmanship.
This warranty does not apply to damages that General
determines to be from an attempted repair by non-authorized
personnel or misuse, alterations, normal wear and tear, or
accidental damage. The defective unit must be returned to
General Tools & Instruments or to a General-authorized
service center, freight prepaid and insured.
Acceptance of the exclusive repair and replacement remedies
described herein is a condition of the contract for purchase of
this product. In no event shall General be liable for any
incidental, special, consequential or punitive damages, or for
any cost, attorneys’ fees, expenses, or losses alleged to be a
consequence of damage due to failure of, or defect in any
product including, but not limited to, any claims for loss of
profits.
5
RETURN FOR REPAIR POLICY
Every effort has been made to provide you with a reliable
product of superior quality. However, in the event your
instrument requires repair, please contact our Customer
Service to obtain an RGA (Return Goods Authorization)
number before forwarding the unit via prepaid freight to the
attention of our Service Center at this address:
Remember to include a copy of your proof of purchase, your
return address, and your phone number and/or e-mail
address.
6
NOTES
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General Tools & Instruments
GeneralToolsNYC
DT340RH User’s M nu l
Specific tions subject to ch nge without notice
NOTICE - NOT RESPONSIBLE FOR
TYPOGRAPHICAL ERRORS.
©2014 GENERAL TOOLS & INSTRUMENTS
MAN# DT340RH
9/19/14
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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