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Rossmax Neb Tester is a portable and easy-to-use device that allows the user to quickly
check the performance of the pump of a compressor nebulizer. Power source is not
required for Neb Tester during operation and the test result is easy to read and interpret.
Neb Tester consists of an oil pressure gauge, ow meter, air tube and stainless steel stand.
This device is used to simulate the working conditions of the pump when the nebulizer is
in operation with a medication cup, and you are able to check:
1. Maximum (free) air ow
2. Operational air ow at a particular pressure
3. Maximum air pressure
Parts name/location
Introduction
psi
kg/cm2
5
10
20 30
40
50
60
0
1
2
3
4
psi
kg/cm2
5
10
20 30
40
50
60
0
1
2
3
4
Flow meter
Regulator
Pressure
gauge
Air tube
Insert air tube into connectorPlace the device in a
horizontal position
Open the rubber vent-plug
and then close it after
Back view
Installation
Operation procedures
psi
kg/cm2
5
10
20 30
40
50
60
0
1
2
3
4
psi
kg/cm2
5
10
20 30
40
50
60
0
1
2
3
4
1. Check maximum (free) air ow
Step 1: Turn the regulator of ow meter anticlockwise around 2~3 circles.
Step 2: Insert the other end of air tube into the air outlet of the nebulizer.
Step 3: Power on the nebulizer.
Step 4: Keep the nebulizer running for 30 seconds to warm up.
Step 5: Adjust air ow and set the level of the pressure at 0 PSI by turning the
regulator of ow meter.
Step 6: Check the air ow rate.
Step 7: Turn off the nebulizer.
Step 8: Disconnect the air tube from the nebulizer.
2. Check operational air ow at a particular pressure
Step 1: Turn the regulator of ow meter anticlockwise around 2~3 circles.
Step 2: Insert the other end of air tube into the air outlet of the nebulizer.
Step 3: Power on the nebulizer.
Step 4: Keep the nebulizer running for 30 seconds to warm up.
Step 5: Set the pressure to a desired level by adjusting the regulator of the ow
meter.
Step 6: Check the air ow rate.
Pressure (PSI) Flow rate (L/min)
NA100 / NB500 (N1) 15.0 ≥ 3.5
NE100 / NF100/ NJ100 (N4) 15.0 ≥ 3.5
NK1000/ NB80 / NF80 (N1) 8.0 ≥ 3.0
NB60 / NI60/ NH60 / NF60 (N1) 8.0 ≥ 2.0
NL100 (N2) 10.5 ≥ 3.5
Step 7: Turn off the nebulizer.
Step 8: Disconnect the air tube from the nebulizer.
3. Check maximum air pressure
Step 1: Turn the regulator of ow meter anticlockwise around 2~3 circles.
Step 2: Insert the other end of air tube into the air outlet of the nebulizer.
Step 3: Power on the nebulizer.
Step 4: Keep the nebulizer running for 30 seconds to warm up.
Step 5: Set the air ow rate at 0 L/min by turning the regulator of ow meter
clockwise completely.
Step 6: Check the values on the pressure gauge.
Step 7: Turn off the nebulizer.
Step 8: Disconnect the air tube from the nebulizer.
Air
compressor
connector
Rubber
vent-plug
2


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