PASCO Specialty & Mfg. SE-9790 User Manual download pdf

Instruction Sheet

for the PASCO

Model SE-9790

STUDENT BELL JAR

012-07194A

08/99

$1.00

Introduction

The PASCO SE-9790 Student Bell Jar

demonstrates the effect of air pressure on the

boiling point of a liquid, on the size of a balloon,

on the size of a marshmallow, and on the holding

power of a suction cup. It also demonstrates that

air has mass.

The syringe and one-way check valve system

constitute an inexpensive vacuum pump.

An extra connector is provided to permit the

Student Bell Jar to be connected to a PASCO

Pressure Sensor (Absolute, CI-6532 or

Differential, CI-6533), allowing the monitoring of

the pressure inside the chamber.

Equipment

INCLUDED

Part Label Part Name

A bell jar top with connector

B bell jar bottom with O ring

C plastic cup

D suction cup

E tubing with check valve

F tubing with T and check valve

G 60 cc syringe

H tubing for connection with a

PASCO Pressure Sensor

I balloon

Note: Parts E, F, and G constitute the vacuum pump

ADDITIONAL SUGGESTED

• ScienceWorkshop Interface (300, 500, 700, or 750)

• computer and data acquisition software

(ScienceWorkshop or DataStudio)

1 2 3 4

Summary of Contents

Page 1 - STUDENT BELL JAR

Page 2 - Basic Setup and Operation

Student Bell Jar 012-07194A251015202530354045505560ccBasic Setup and OperationFigure 1Assembling the vacuum pumpEF1. Assemble the vacuum pump as shown

Page 3 - Maintenance

012-07194A Student Bell Jar3Setup to Monitor the Interior Air Pressure1. Connect part H to the hose connector on part A(Figure 4).2. Connect part E to

Page 4 - Safety Considerations

Student Bell Jar 012-07194A4Limited WarrantyPASCO scientific warrants the product to be free fromdefects in materials and workmanship for a period ofo

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PASCO Specialty & Mfg. SE-9790 User Manual

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