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Zefon GEMINI Operation Manual

Twin port sampler
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GEMINI
Twin Port Sampler
Operation Manual
THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO HAVE OR
WILL HAVE THE RESPONSIBILITY FOR USING OR SERVICING THE PRODUCT. Like
any piece of complex equipment, the instrument will perform as designed only if it
is used and serviced in accordance with the manufacturer's instructions.
OTHERWISE, IT COULD FAIL TO PERFORM AS DESIGNED AND PERSONS WHO RELY
ON THIS PRODUCT FOR THEIR SAFETY COULD SUSTAIN SEVERE PERSONAL INJURY
OR DEATH.
The warranties made by Zefon International Inc. with respect to the
product are voided if the product is not used and serviced in accordance with the
instructions in this manual. Please protect yourself and others by following them.
We encourage our customers to write or call regarding this equipment prior to use
or for any additional information relative to use or repairs.
In the U.S., contact Zefon at 1-800-282-0073.
To contact Zefon outside the U.S., dial +1 (352) 854-8080
or email at ZefonCS@zefon.com.
© Zefon International, Inc. 2011 - All Rights Reserved
PRODUCT OF U.S.
Manufactured by
ZeFOn InTeRnATIOnAl, InC.
5350 SW 1ST lAne • OCAlA, Fl 34474
(l) Rev 6
®
WARNING
800302

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Summary of Contents for Zefon GEMINI

  • Page 1 ON THIS PRODUCT FOR THEIR SAFETY COULD SUSTAIN SEVERE PERSONAL INJURY OR DEATH. The warranties made by Zefon International Inc. with respect to the product are voided if the product is not used and serviced in accordance with the instructions in this manual. Please protect yourself and others by following them.

  • Page 3: Table Of Contents

    Figure 1-2. Worker Wearing 2 Samplers with “Y” Connection ..1-3 Operation Instructions ................1-4 Figure 1-3. GEMINI Twin-Port Sampler Kit ........1-4 Figure 1-4. Inserting Sorbent Tubes into the GEMINI Sampler ... 1-5 Figure 1-5. Setting the Flow Rate with the DigiCal Calibrator .... 1-6 Helpful Hints ....................1-7 Remote Sampling ..................

  • Page 5: Chapter 1, Basic Operation

    Please read the “Operation Instructions” and “Helpful Hiits” portions of this manual before using the Sampler. Description The GEMINI Sampler is designed to measure concentrations of gases and vapors when used with Zefon or other manufacturer’s Sorbent Tubes. It is compatible with any personal sampling pump capable of 1.5 LPM flow rate at a load of 25”...
  • Page 6 Chapter 1, Basic Operation Operation Manual • Four Clips (one for each Tube Protector and two extra for clipping to the bottom of the GEMINI • Sampler and for tubing management) GEMINI Twin-Port Sampler...
  • Page 7 Chapter 1, Basic Operation Operation Manual • “Y” Connector for multi-Sampler applications • GEMINI Twin-Port Sampler...

  • Page 8: Operation Instructions

    Chapter 1, Basic Operation Operation Manual Operation Instructions 1. Connect the pump inlet to the GEMINI Sampler barb fitting using the tubing and the adapter supplied. (The adapter may not be needed for some pumps.) 2. Turn on the pump, and adjust the flow to approximately 1.5 LPM (1.2 to 1.7 LPM).
  • Page 9 (see “Helpful Hints” #3 later in this chapter). 7. Connect a length of tubing to the inlet of one Tube. 8. Connect the other end of this tubing to a primary calibrator or a precalibrated flowmeter. GEMINI Twin-Port Sampler...
  • Page 10 11. Install either the large or small Tube Protector. 12. Sampling may begin immediately, or the pump may be turned off until sampling is to be started. FLOW RATE BATT Figure 1-5. Setting the Flow Rate with the DigiCal 5 Primary Calibrator GEMINI Twin-Port Sampler...

  • Page 11: Helpful Hints

    If all four tubes are set for high flows and the total flow is near the 500 ml/min. limit, make sure the pump is drawing 1.5 LPM. If some additional care is taken when calibrating and fine adjusting. GEMINI Twin-Port Sampler...

  • Page 12: Remote Sampling

    Operation Manual the total flow for four tubes may be up to 1000 ml/min., with a maximum of 500 ml/min. through each GEMINI Sampler if the pump flow rate is adjusted nearer to 1.7 LPM. Keep in mind that this additional load will likely shorten the expected running time of the sampling pump.

  • Page 13: Chapter 2, Maintenance

    Foam Filter The round, black floam filter on the back of the GEMINI Sampler prevents dust from entering the unit. This filter can be easily removed, cleaned and replaced or replaced by a new foam filter.

  • Page 14: Valves

    1. Connect a water manometer or vacuum gauge to one of the Tube Holders. 2. Open the associated needle valve 3 to 4 turns counter clockwise from fully closed. 3. Connect a flowmeter to the other Tube Holder. 4. Close (fully clockwise position) the associated needle valve. GEMINI Twin-Port Sampler...
  • Page 15 26” w.c.; the flow should read less than 2 ml/min. 5. Open the needle valve to adjust the flow to achieve 250 to 300 ml/min. NOTE: The vacuum setting should remain within 2” w.c. of the reading noted after step 4. GEMINI Twin-Port Sampler...

  • Page 16: Chapter 3, Parts List

    800296 SCREW, #2-56 X 5/16” LG 636267 WASHER, ST STEEL 634257 HOLDER, TUBE 463801 LABEL, FILTER COVER 800095 FOAM FILTER (Sheet of 10) 497715 Not Pictured Repair Kit (Contains Items 1-8) 802208 Not Pictured Instruction Manual 800302 GEMINI Twin-Port Sampler...
  • Page 17 “Y” FITTING 636563 TUBING CONNECTOR 636477 TUBING, 1/4” ID 27234 Label, Tamper Proof (Sheet of 10) 802698 Not Pictured Label, Filter Cover 800095 Not Pictured Foam Filter (Sheet of 10) 497715 Not Pictured Digical 5 Primary Calibrator 655101 GEMINI Twin-Port Sampler...
  • Page 20 To contact Zefon International, call 1-800-282-0073. © Zefon International Inc. 2011 - All Rights Reserved PRODUCT OF U.S. Zefon International, Inc. • 5350 SW 1st Lane • Ocala, FL 34474...

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