SR Instruments SR300 Manual

Mode l – 5000 Gram x 1 Gram Scale
Instruction Manual
Part No.: MAN320A_200804

SPECIFICATIONS

Max. capacity: 5,000g/175oz
Min. capacity: 5g/0.2oz
Division: 1g/0.1oz
4-"AA" batteries
Power source:
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.
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.
clockwise to lock top in place
Remove the Battery
Rotate
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL:
email: sri@srinstruments.com

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.
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Copyright 2020 SInstruments, Inc.
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