3b-scientific Absolute Pressure Sensor, 2500 hPa User Manual download pdf

3B SCIENTIFIC

PHYSICS

Absolute Pressure Sensor U11320

Instruction Sheet

10/08 Hh

1. Safety instructions

• To avoid permanent damage to the built-in

semiconductor sensor, never exceed the maxi-

mum threshold pressure of 1000 kPa.

• Suitable only for non-corrosive gases such as

air, helium and nitrogen.

• Do not allow the sensor element to come into

contact with water.

2. Description

The absolute pressure sensor with its extensive

measurement range is particularly suitable for

experiments to demonstrate Boyle’s law and for

measuring the piston pressure (PV diagram) in a

Stirling engine. In addition, the absolute pressure

sensor can also be used to record and measure the

production of oxygen during photosynthesis and

for transpiration experiments in a closed system.

Two-port measurement procedure for the pressure

sensor: nozzle 1 is connected to the external pres-

sure via a connecting nipple, and nozzle 2 is con-

nected to a sealed reference vacuum.

The sensor box is automatically recognised via the

interface.

3. Equipment supplied

1 Sensor box

1 8-pin mini DIN connection lead, length: 60 cm

1 Silicone tube, inner dia.: 2 mm, length: 1 m

1 Plastic syringe 20ml

4. Technical data

Measurement range: 0 to 250 kPa

Sensor type: Semiconductor sensor

Accuracy: ±1%

Resolution: 0.1 Pa

Connections: Serrated nozzle 4.8 mm dia.

5. Operation

• Use the full length of the silicone tube or shor-

ten it to the length desired.

• Use the silicone tube to connect the pressure

source to the nozzle of the sensor.

• During the experiment, the elasticity of the

tube should be taken into account – this could

possibly lead to an error in readings.

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3B SCIENTIFIC 1
PHYSICS 1

Summary of Contents

Page 1 - PHYSICS

3B SCIENTIFIC® PHYSICS 1 Absolute Pressure Sensor U11320 Instruction Sheet 10/08 Hh 1. Safety instructions • To avoid permanent damage

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3b-scientific Absolute Pressure Sensor, 2500 hPa User Manual

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