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GLS Sampler

1-2

1.2  Sampler Preparation 

Checklist

The following checklist can be used as a guide 
to prepare the GLS for each use.

1. Inspect the pump tube. 

See Section 

1.3.

2. Check the discharge tube. 

See Section 

1.4.

3. Install the bottle. 

See Section 

1.5.

4. Icing the bottle (optional). 

See Section 

1.6.

5. Connect a power source. 

See Section 

1.7.

6. Connect a suction line and 

strainer.

 See Section 

1.8.

7. Connect external devices 

(essential for flow-paced 
sampling or sampler 
inhibiting). 

See Section 

1.9.

8. Place the GLS in position. 

See 

Section 

1.10.

9. Calibrate sample volumes 

(optional). 

See Section 

2.7.

10. Lock the GLS (optional). 

See 

Section 

1.11.

Содержание GLS

Страница 1: ...tion manual provided on CD Read the Glacier Manual on CD thoroughly before operating the sampler COPYRIGHT 2002 by Isco Inc 4700 Superior St Lincoln Nebraska U S A 68504 Phone 402 464 0231 Toll Free 8...

Страница 2: ......

Страница 3: ...urce 1 6 1 8 Suction Line and Strainer 1 7 1 8 1 Cutting the Suction Line 1 8 1 8 2 Attaching the Strainer 1 8 1 8 3 Connecting the Suction Line 1 9 1 9 Connecting External Devices 1 10 1 10 Positioni...

Страница 4: ...ing a Program 3 1 3 1 1 Program Start Times 3 2 3 1 2 Sampler Inhibit 3 2 3 2 Run State Displays 3 4 3 2 1 Collecting a sample 3 4 3 2 2 Waiting to sample 3 4 3 2 3 Errors 3 5 3 2 4 Pausing or Stoppin...

Страница 5: ...1 1 GLS Sampler Section 1 Installation 1 1 Introduction This pocket guide contains Installation instructions see Section 1 2 Programming instructions see Section 2 Operating instructions see Section 3...

Страница 6: ...Install the bottle See Section 1 5 4 Icing the bottle optional See Section 1 6 5 Connect a power source See Section 1 7 6 Connect a suction line and strainer See Section 1 8 7 Connect external device...

Страница 7: ...12V Input Power connector 2 Remove the pump housing cover by loosening the four thumbscrews 3 Visually inspect the pump tube for cracks where it is compressed by the rollers If the tube is cracked it...

Страница 8: ...scharge tube is located inside the center section It is a 3 8 inch 9 mm I D 81 4 inch 210 mm long piece of medical grade Silastic tubing The discharge tube should be well fitted over the bulkhead fitt...

Страница 9: ...1 gallon 3 8 liter place the bottle deck into the GLS base section Set the bottle on top of the bottle deck 1 6 Sample Cooling You can cool the samples by placing crushed ice around the outside of th...

Страница 10: ...High Capacity Power Pack 240 Volts AC Model 914 Battery Backed Power Pack 120 Volts AC Model 924 Battery Backed Power Pack 240 Volts AC 1 7 1 To install an Isco Model 900 power source 1 Place the powe...

Страница 11: ...line carries the liquid from the sampling point to the GLS pump tubing The GLS is designed to use 1 4 inch 6 mm I D vinyl tubing 3 8 inch 9 mm I D vinyl tubing 3 8 inch 9 mm I D Teflon tubing with a...

Страница 12: ...ion between sample volumes and extends the battery life The suction line can be easily cut with a knife When cutting the suction line keep in mind the length must be cut to the nearest whole foot or d...

Страница 13: ...queeze the sides of the clamp together 3 Push the vinyl suction line onto the end of the tubing coupler with the white clamp 4 Position the white clamp around the suction line and squeeze the ends tog...

Страница 14: ...ut can delay the GLS operation until a monitored parameter meets user defined conditions These devices connect to the 6 pin Flow Meter Connector located on the back of the GLS controller Compatible Is...

Страница 15: ...tions that can cause you serious or fatal injuries Take any necessary precautions before entering the worksite Install and operate this product in accordance with all applicable safety and health regu...

Страница 16: ...he GLS must be installed in a location where it can be recovered easily without tipping or difficult maneuvering Security The location may need to provide some degree of security to prevent tampering...

Страница 17: ...ut to the shortest possible length Route the suction line so that it runs continuously downhill Loops of coiled suction line or low areas where the liquid can pool will hold residual amounts of liquid...

Страница 18: ...before gaining access locking the handle in an upright position secures the top cover center section and controller and the base section Table 1 1 Safe limits for unanchored suction lines a Strainer...

Страница 19: ...try Buttons The number entry buttons allow you to enter numerical values when prompted by an interactive screen Arrow Button The Arrow button changes the current selection in an interactive screen Pre...

Страница 20: ...the Stop key while running a program places the GLS in the Paused state Calibrate Button Pressing the Calibrate button while in the Standby state takes you to the Calibrate Sample Volume sequence of...

Страница 21: ...ou to load the Stored program settings and run the program in one quick and simple step To use the One button Programming press This sequence of buttons must be pressed within 10 seconds 2 3 1 Stored...

Страница 22: ...Standard Programming allows you to step through the current GLS program settings and make any necessary modifications To access the Standard Programming select Program from the Standby screen and pre...

Страница 23: ...This step also includes the Sample Volume Calibration procedure 2 4 1 Sample Pacing The GLS displays two pacing options Time Paced and Flow Paced Select Time to collect samples at uniform time interva...

Страница 24: ...vice The Pacing Interval display will show minutes or flow pulses according to the previously selected pacing method You can accept the interval by pressing the Enter button or change the setting To c...

Страница 25: ...When using Isco s standard bottles refer to the chart below for recommended values You will note that the value is less than the total capacity This reduces the possibility of missed samples due to a...

Страница 26: ...the new value The GLS loads the value into the current program settings and advances to the next step Overfilling the bottle or missing samples can affect your sampling results In some applications mi...

Страница 27: ...ng routine To enable the Continuous Sampling mode 1 At the TAKE XX SAMPLES display press the Zero button 2 Press the Enter button The GLS is placed in the Continuous Sampling mode and advances to the...

Страница 28: ...r button Select NO DELAY TO START to take the first sample immediately after the Go but ton is pressed If you select this option pro gramming advances to Suction Line section 2 4 7 Select the SET STAR...

Страница 29: ...the Enter button to accept the date and advance the cursor to the month setting 5 Enter the number of the month for example August 08 with the number entry buttons Press the Enter button and the GLS...

Страница 30: ...for flow paced sampling the run time may vary widely because of the dependency on flow rates If your sampling protocol requires a known run time enter the number of hours for the MAXIMUM RUN TIME If...

Страница 31: ...to run the program or press the Enter button to accept the values and return to the Standby state If the settings do not match the suction line in use you must enter new values Press the Calibrate but...

Страница 32: ...Standby state The GLS displays PROGRAM STORED for four seconds The current program settings are now saved in the GLS memory as the Stored Program In the field recall and run the program with the One b...

Страница 33: ...nutes setting and advance the cursor to the day setting 5 Enter today s date with the number entry buttons Press the Enter button to accept the date and advance the cursor to the month setting 6 Enter...

Страница 34: ...the suction head using input from the Liquid Detector Note Incorrect suction line values or disabling the liquid detector may adversely affect the volume accuracy Note Calibrating the sampler can enha...

Страница 35: ...ivered volume You can then enter the actual volume delivered to refine the GLS pump tables To continue select YES 5 The GLS waits while you prepare to collect a sample To prepare pull the lower pump t...

Страница 36: ...y buttons Press Enter to accept the value 8 If the actual amount that you enter is significantly different from the expected volume the GLS will ask you confirm your entry Re measure the liquid in the...

Страница 37: ...The GLS operation can also be started with the one button programming sequence This action will load the stored program settings as the current settings and run the program Generally when you start a...

Страница 38: ...ampler Inhibit Before the GLS takes its first sample it checks the inhibit line of the Flow Meter connector If the GLS detects a logic low grounded level it will suspend the program until the external...

Страница 39: ...erval and begin counting down latch the inhibit signal Latching the inhibit signal means that the GLS will ignore any later inhibit signals from an external device Once the GLS collects its first samp...

Страница 40: ...ow 3 2 1 Collecting a sample As the GLS goes through a sample collection cycle it displays where xxx is the current sample number and yyy is the programmed number of samples 3 2 2 Waiting to sample Wh...

Страница 41: ...can pause a running program to determine the type of error 3 2 4 Pausing or Stopping a Program Press the Stop button to pause a running program The GLS will display the paused options screen The scre...

Страница 42: ...d that if the count reaches zero the GLS will not take a sample It records this as a MISSED SAMPLE PROGRAM PAUSED in the log 3 3 Program Completion A running program will end in one of three ways Prog...

Страница 43: ...are a full bottle to return to the lab you must first gain access to the sampler s base To open the sampler 1 Place the sampler on a level surface 2 Rotate the carrying handle from its secured vertica...

Страница 44: ...e Standby or Paused state displays As you begin to view the Log the GLS reports the following The number of samples it has collected Missed samples The GLS skips this display if there are none to repo...

Страница 45: ...be warning if the pump counts exceed 500 000 When the GLS displays this message replace the pump tube to prevent failures The GLS automatically resets the pump count to zero after displaying this mess...

Страница 46: ...The GLS did not detect any liquid No more liquid The GLS did detect liquid during the fill cycle but it stopped detecting liquid before a complete sample volume was collected Power fail Power was lost...

Страница 47: ...much liquid to collect Using the number entry buttons enter the desired volume in ml Press the Enter button to continue 3 The GLS waits for you to prepare to collect a grab sample Pull the lower pump...

Страница 48: ...reveals any cracks along its side WARNING Moving parts can cause injuries Remove power before replacing the pump tube To replace the pump tube 1 Disconnect the power from the 12V Input Power connector...

Страница 49: ...p housing 9 Position the pump outlet or long end in the lower groove of the liquid detector Again the band should be placed at the outer edge of the liquid detector 10 Replace the liquid detector and...

Страница 50: ...using a 3 8 inch by 10 foot suction line at a 5 foot suction head Note The peristaltic pump and tube will perform the best when you Use Isco replacement pump tubes or bulk tubing Install the tube pro...

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