SKC 224-6580 Скачать руководство пользователя страница 5

www.skcltd.com 

007-08-001 Issue C 

Page 3

Operation of the Pneumatic Test Kit

4.  Set the back pressure bypass valve to the up position, and adjust the back pressure reading on the back 

pressure gauge, to the required value for the flow rate.

5.  Note the reading on the flow meter. The flow reading with back pressure applied should generally be within 

5% of the reading with no back pressure - refer to the sample pump compensation specification.

6.  Set the back pressure bypass valve to the bypass (down) position. Repeat this process at other flow rates 

if required.

7.  At low flow rates and zero back pressure the flow pulsation created by the sample pump can make it 

difficult to take an accurate flow reading. This can be resolved by using the back pressure adjuster valve 
to apply a small back pressure of 2 - 4 inches H

2

O, setting the required flow rate, then increasing the back 

pressure to the required level.

Sample Media Back Pressure Check

1.  Connect the inlet hosetail of the pump to the pump connection hosetail on the pneumatic test kit using a 

length of flexible tubing.

2.  Place the sample media into the sample head and connect the sample head outlet to the air inlet connection 

hosetail on the pneumatic test kit.

3.  Ensure that the back pressure bypass valve is in the bypass (down) position.
4.  Turn on the sample pump and set the desired flow rate as detailed in the pump instruction manual. Note 

the reading on the pneumatic test kit flow meter.

5.  Note the reading on the back pressure gauge. A high sample media back pressure compared with the 

pump performance specification, could indicate potential problems during a sample run, such as reduced 
run  times  and  the  potential  for  flow  faults.  Either  use  a  higher  specification  pump  or  a  less  restrictive 
sample media for the application.

Содержание 224-6580

Страница 1: ...www skcltd com Pneumatic Test Kit Operating Instructions This manual covers the following model 224 6580 ...

Страница 2: ... this product The first service is due one year from the date of purchase and then at yearly intervals on this date Service Date Service Date Service Date 1 5 9 2 6 10 3 7 11 4 8 12 Please note that SKC Ltd are the only authorised service centre in the UK guaranteeing you access to the full range of genuine SKC replacement parts For all other areas a full list of SKC approved distributors and serv...

Страница 3: ... 5 of full scale Flow Scale Standardization Air at 20 C and 1013 25 mbar absolute Back Pressure Range 0 to 80 inches H2 O Back Pressure Accuracy 2 of full scale Control Layout Back pressure gauge Zero adjust screw Back pressure bypass valve Sample pump hosetail connection Flow meter Back pressure adjuster valve Air inlet sample head hosetail connection ...

Страница 4: ...uge reads zero and adjust using the zero adjust screw if required 2 Ensure that the sample pump battery is fully charged Run the sample pump for five to ten minutes prior to carrying out pump compensation or sample media back pressure checks Sample Pump Compensation Verification Refer to the sample pump instruction manual or SKC Ltd for pump compensation specification 1 Connect the inlet hosetail ...

Страница 5: ...ssure of 2 4 inches H2 O setting the required flow rate then increasing the back pressure to the required level Sample Media Back Pressure Check 1 Connect the inlet hosetail of the pump to the pump connection hosetail on the pneumatic test kit using a length of flexible tubing 2 Place the sample media into the sample head and connect the sample head outlet to the air inlet connection hosetail on t...

Страница 6: ... implied warranties of merchantability or fitness for a particular purpose and neither assumes nor authorises any person to assume for it any liability in connection with the sale of these instruments No description of the goods being sold has been made a part of the basis of the bargain or has created or amounted to an express warranty that the goods will conform to any such description Buyer sha...

Страница 7: ...To obtain performance of any obligation under this warranty the buyer shall return the instrument freight prepaid to SKC at the following address SKC Limited 11 Sunrise Park Higher Shaftesbury Road Blandford Forum Dorset DT11 8ST t 44 0 1258 480188 f 44 0 1258 480184 6 b To obtain further information on the warranty performance contact SKC 7 This warranty is provided under English law 8 No other w...

Страница 8: ...al group of companies SKC Limited 11 Sunrise Park Higher Shaftesbury Road Blandford Forum Dorset DT11 8ST United Kingdom T 44 0 1258 480188 F 44 0 1258 480184 E info skcltd com W www skcltd com 007 08 001 Issue C November 2010 ...

Отзывы: