SR Instruments SR300 Manual de usuario
Mode l –5000 Gram x 1 Gram Scale
Instruction Manual
Part No.: MAN320A_200804 Page 1 of 3
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com
SPECIFICATIONS
Max. capacity: 5,000g/175oz
Min. capacity: 5g/0.2oz
Division: 1g/0.1oz
Power source: 4-“AA” batteries
Accuracy: 0.2% +/- 1 digit of
displayed resolution for
calibrated range
FEATURES
Portability: Small and compact
Tare: Single button
Two units: Gram or ounce
Auto power off: 120 seconds
Warranty: Two (2) years
BATTERY INSERTION/
REPLACEMENT
1. Turn scale over. Remove the Battery
Compartment Cover by pressing the tab towards
the cover and lift it off.
2. Place four (4) –1.5-Volt batteries of AA size
into the battery compartment with correct
polarity.
3. Replace the Battery Compartment Cover.
SCALE ASSEMBLY
1. With the scale OFF, gently remove the top of
the scale by rotating the top counterclockwise.
2. Insert perch mounting screw along with washer,
through the hole in the surface plate. Place
Loctite® on screw. Thread screw into bottom of
the perch and tighten in place.
3. Carefully align ridges in the platform top with
the notches in the weighing plate. Rotate
clockwise to lock top in place
TO OPERATE SCALE
1. Place scale on a flat surface in a sheltered area.
2. Press the “ON/OFF” button to turn the scale on.
3. Press “UNITS” button to select ounces/grams.
Scale is ready for use. Display will read “0” for
grams or “0.0” for ounces.
USING THE TARE FUNCTION
1. Place the scale on a flat surface in a sheltered
area.
2. Press the “ON/OFF” button to turn the scale on.
3. When “0” appears on the display, place the
empty container onto the weighing platform.
4. Press the “TARE” button and the display will
return to zero, eliminating the weight of the
container.
5. A “o” will appear in the lower left corner of the
display, which indicates that the TARE feature
is functioning.
6. Place the object to be weighed into the container
and obtain its net weight.
MANUAL POWER OFF
After use, turn the scale off by pressing the
“ON/OFF” button to prolong battery life.
AUTO POWER OFF FEATURE
The scale is also equipped with an “AUTO
POWER OFF” function. The scale will turn off in
approximately 120 seconds.
UNIT CHANGE FUNCTION
The default unit of measure is “g”. You can change
the scale unit of measure between grams “g” and
ounces “oz”.
1. Press the “ON/OFF” button.
2. Press the “UNITS” button to toggle between
grams and ounces.
Mode l –5000 Gram x 1 Gram Scale
Instruction Manual
Part No.: MAN320A_200804 Page 2 of 3
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com
CAUTION TO BE EXERCISED
1. Place the scale in a sheltered area when in use.
Air movement on the scale may affect the
accuracy.
2. Always place object onto the platform gently.
DO NOT weigh objects exceeding the full
capacity as this may permanently damage the
scale. An “O-Ld” message will appear on the
display if the scale is over-loaded.
3. Replace batteries when the battery symbol
appears in the display when scale is turn on.
When batteries are extremely low, “LO” will
appear and unit will shut off.
CALIBRATION METHOD
1. With the scale OFF, PRESS the “ON/OFF”
button five (5) times and hold. Hold until a
random number appears.
2. Press the “ON/OFF” button. The display will
read “CAL”.
3. After 2 seconds, the display will read 4000
grams (do not use any other size weight as the
calibration will be altered).
4. Place the 4000 grams weight on the scale and
press the “ON/OFF” button. The display will
read “PASS”. Calibration is complete.
TWO (2) YEAR LIMITED WARRANTY
Ssystems are manufactured with high
quality components. SR Instruments, Inc. warrants
that all new equipment will be free from defects in
material or workmanship, under normal use and
service, for a period of two (2) years from the date
of purchase by the original purchaser. Normal wear
and tear, injury by natural forces, user neglect, and
purposeful destruction are not covered by this
warranty. Warranty service must be performed by
the factory or an authorized repair station. Service
provided on equipment returned to the factory or
authorized repair station includes labor to replace
defective parts. Goods returned must be shipped
with transportation and/or broker charges prepaid.
SR Instruments, Inc.’s obligation is limited to
replacement of parts that have been so returned and
are disclosed to SR Instruments, Inc.’s satisfaction
to be defective. The provisions of this warranty
clause are in lieu of all other warranties, expressed
or implied, and of all other obligations or liabilities
on SR Instruments, Inc.’s part, and it neither
assumes nor authorizes any other person to assume
for SR Instruments, Inc. any other liabilities in
connection with the sale of said articles. In no
event shall SR Instruments, Inc. be liable for any
subsequent or special damages. Any misuse,
improper installation, or tampering, shall void this
warranty.
CAUTION
The integrated circuits and semiconductors on the
printed circuit boards may be damaged by
electrostatic discharge (ESD). Be sure to use
proper handling precautions at all times.
Figure 1: Battery Compartment Cover
Battery
Compartment
Cover
Mode l –5000 Gram x 1 Gram Scale
Instruction Manual
Part No.: MAN320A_200804 Page 3 of 3
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com
SR300 SERIES GRAM SCALE CLEANING INSTRUCTIONS
CLEANING
To clean the scale contact areas:
Use a soft cloth dampened with water and mild detergent to clean scale surfaces.
Wipe surface with clean soft cloth dampened with water and then dry with clean soft cloth.
Do not use abrasive materials to clean scale surface to prevent damage to the surface finish.
Do not spray liquid directly onto scale surfaces. Use only a damp cloth.
DISINFECTION
To disinfect the scale contact areas:
Use a soft cloth dampened with disinfectant or a damp disposable disinfectant cloth. Cloth cannot be
dripping wet. Follow manufacturer’s instruction on the proper use of commercially available
disinfectants.
Disinfectant solutions with 1% sodium hypochlorite or 70% isopropyl alcohol are suitable for display /
user interface and other scale contact surfaces.
After disinfecting, use a soft cloth dampened with clean water and dry with a soft clean cloth to prevent
buildup of material on scale finish.
Do not use abrasive material to disinfect / clean scale surfaces to prevent damage to the surface finish.
Do not spray liquid directly onto scale surfaces. Use only a damp cloth.
WARNING: DO NOT SPRAY CLEANING SOLUTION OR LIQUIDS DIRECTLY ON
SURFACES TO BE CLEANED.
WARNING: EXPOSURE TO EXCESSIVE LIQUID WILL DAMAGE USER INTERFACE
KEYPAD.
WARNING: DO NOT USE PRESSURIZED WATER OR STEAM. THE SCALE SYSTEM
CONTAINS ELECTRONIC COMPONENTS THAT MAY BE ADVERSELY
AFFECTED BY EXPOSURE TO SUCH AN ENVIRONMENT.
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