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6)

 

Remove the detector tube from the pump. This completes the sampling process.  

NOTE: Remove broken glass tips in the pump head before it becomes full. Open the dust cap (on 
the opposite side of the tube tip breaker of the pump head block) and shake out the broken glass 
tips carefully and dispose safely of them. After disposing the broken glass tips, securely close the 
cap. If you do not securely close the cap, broken glass tips may fall from the dust cap hole when 
monitoring.  

How To Operate the GV-110S pump with a counter 

The GV-110S pump with a counter can make up to 10 samples. Do the following steps to set the counter:  

 

1)

 

Align the zero (0) on the counter ring with the white        mark. Rotate the 
outer ring of the counter to align the number with the white       mark.  

 

 

 

2)

 

Each time you do a sample, the number will increase by one. After you have 
completed sampling, the number at the white       mark which indicates the 
actual number of samplings you have done.  

The maximum number of samplings that can be counted is ten. The number will 
not increase when the white       mark indicates “10”  

 

 

3)

 

To reset the counter to zero, rotate the counter ring in the direction of the 
arrow as shown to the right. Align the zero (“0”) on the counter ring with the 
white     mark. Once this has been done you can count a sample again.  

 

When you do not want to use the counter:  

Turn the counter ring in the direction of the arrow as shown on the right. Align 
the letter “N” with the white     mark. You can now use the pump without the 
counter increasing.  

Summary of Contents for Gastec GV-100S

Page 1: ...ml and the half stroke 50ml positions are marked exactly by the red line on the pump shaft and the handle is precisely locked at those positions If you pump fully n times by allowing for sampling time...

Page 2: ...of the flow finish indicator at this time 1 Confirm that the inlet clamping nut is firmly tightened 2 After confirming that the pump handle is fully in therefore the guide line on the pump shaft is n...

Page 3: ...n of the counter and may cause a malfunction 5 Unlock the handle by turning it more than turn and guide it back gradually Confirm the handle returns to the initial position and the guide line on the p...

Page 4: ...nt close to the tube tip breaker and bend the tube toward the handle to break the tube tip 2 Confirm the pump handle is fully pushed in therefore the guide line on the pump shaft is not seen Then inse...

Page 5: ...Wait until the specified sampling time has elapsed The completion of the sampling of 100ml or 50ml can be confirmed by the flow finish indicator on the handle Unlock the handle by turning it more than...

Page 6: ...counter ring with the white mark Rotate the outer ring of the counter to align the number with the white mark 2 Each time you do a sample the number will increase by one After you have completed samp...

Page 7: ...to the manual of each detector tube and correct for the ambient pressure Also check for any interference gases present in the measuring environment If there are any external influences such as gas tha...

Page 8: ...e 1 Temperature correction using correction factor To find the true concentration when the tube reading is 2 5ppm at 15 C 59 F first using the table below obtain the correction factors for the tempera...

Page 9: ...eading requires humidity correction with the measurement temperature of 0 C to 40 C 32 F to 104 F read the ambient humidity at the sample point using the no 6 Gastec Water Vapour detector tube Example...

Page 10: ...the number of pump strokes n required and if applicable the stroke correction factors see example GAS3L on the next page below Multiply the indicated value by an appropriate factor to obtain the true...

Page 11: ...similar chemical properties as the target gas If such interference gas exists measurement will be incorrect Be sure to check if interference gases are present in the measurement environment and if pr...

Page 12: ...t from inside the cylinder and around the perimeter of the piston with a soft cloth 3 Apply the lubricant evenly on the inside of the wall at the opening of the cylinder 4 Push the piston into the cyl...

Page 13: ...or breaking off tube tips please contact us for a replacement head block Repair of the counter When any abnormality is found with the counter please contact us Never give a gastec precision pump any s...

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