OHAUS SB1200 User manual

Ohaus School Balance
Model SB1200
- OPERATING MANUAL -
xAccurate and simple to use
xDurable lightweight plastic for easy clean up and long life
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General Product Features
x
x
Interchangeable Red Pans: Allows user to place a variety of objects
for weighing. Removable for easy clean up.
x
Tare Poise: Located on the rear of the beam, allows user to zero
balance before weighing.
x
Recessed handles in base: Allows the transport of the balance without
disturbing the contents.
Balance Setup
xRemove balance from carton.
xMake sure that pans are placed securely on pan supports.
xSlide poise until pointer is lined up with center of graduated lines.
Weighing
To determine weight of object
xMake sure that pointer is lined up with center graduation.
xPlace object to be weighed on one pan. The pointer will swing to the
opposite side.
xPlace masses on other pan until the pointer is again lined up with the
center graduation.
To compare the weights of two objects
xMake sure that pointer is lined up with center graduation.
xPlace first object to be weighed on one pan. The pointer will swing to the
opposite side.
xPlace second object on other pan. The pointer will point away from the
heavier object.
Available Accessories
x8 piece mass set 50g x 1g (80850117)
x12 piece mass set 500g x 1g (80850114)
x13 piece mass set 1000g x 1g (80850115)
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EXPERIMENTS
Hot Air/Cool Air
Objective
To determine which is heavier –hot air or cool air.
Materials
xTwo 8
1
/2' x 11" cardboard tablet backs
xHair dryer or 75+ watt lamp bulb
xSmall paper bags
xOhaus SB1200 School Balance
Procedure
1. Place the cardboard pieces on each balance pan with a paper bag
upside down on each piece of cardboard. Zero the balance.
2. Remove one of the bags and place over the lamp bulb for 2-3 minutes,
being careful not to have the bulb touch the bag.
or
Using a hair dryer on high heat, fill the bag with hot air.
3. Without tipping the bag, place it back on the balance and observe the
zero point.
Notes
xWhich is heavier, hot air/cool air?
xWhy is this so? (molecular motion)
xTalk about hot air balloons, ceiling fans, furnaces in the basement,
molecular motion (solids, liquids. gasses)
Sugar in Soda
Objective
To show the relative amount of sugar in soda
Materials
xSame size can or bottle of regular and diet soda
xSugar packets
xOhaus SB1200 School Balance
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Procedure
1. Place regular soda on the left pan and the diet soda on the right pan.
2. Add sugar packets to the right pan until the balance returns to a neutral
position.
3. Remove the soda cans or bottles from the balance.
4. Empty sugar from the packets on to the left pan and weigh the sugar.
Note
The amount of error you will notice from your weighing and that which ison
the can or bottle is caused by the following. The sugar in the soda is high
fructose corn syrup. The diet contains aspartame and benzoic acid.
Limited Warranty
Ohaus products are warranted against defects in materials and workmanship
for a period of 12 months from the date of delivery. During the warranty
period Ohaus will repair, or at its option, replace any component(s) that
proves to be defective at no charge, provided that the product is returned,
freight prepaid, to Ohaus.
The warranty does not apply if the product has been damaged by accident or
misuse, exposed to radioactive or corrosive materials, has foreign material
penetrating to the inside of the product, or as a result of service or
modification by other than Ohaus. In lieu of a properly returned warranty
registration card, the warranty period shall begin on the date of shipment to
the authorized dealer. No other express or implied warranty is given by
Ohaus Corporation. Ohaus Corporation shall not be liable for any consequential
damages.
*80250832*
P/N 80250832 A© Ohaus Corporation 2010, all rights reserved.
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