Hach Ultra ORBISPHERE 29981 Operator'S Quick Manual Download | Manualshive

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Operator Quick Guide

ORBISPHERE 29981

Revision D - 16/09/2008

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Summary of Contents for ORBISPHERE 29981

Page 1: ...Operator Quick Guide ORBISPHERE 29981 Revision D 16 09 2008 ...

Page 2: ...ace gas is forced up the inner needle and into the flow chamber The arm 5 supports the oxygen sensor the flow chamber and the piercing needle assembly A black handle 6 located at the rear of this arm allows for height adjustment to fit the package size The motorized sample holding platform 3 moves up and down controlled by the toggle switch 2 on the front panel When the toggle switch is lifted the...

Page 3: ...or ampoules has a black knurled collar while the piercing needle assembly for vials has a grey knurled collar Adjust the Arm Height Lower the sample platform all the way and remove the rubber seal from the piercing needle Place a package support on the sample platform Ampoules Leave the ampoule support empty with both parts screwed tightly together Vials Place a sample vial into the package suppor...

Page 4: ...Page 4 Operating Sequence ...

Page 5: ...ace the package support on the sample platform with the exposed end of the ampoule up 2 Send 1 ml of deaerated water through the piercing needle assembly onto the exposed end of the ampoule in the package support This water removes any air trapped between the ampoule surface and the sampling system 3 Move the toggle switch on the front of the sampler base to the up position The indicator light tur...

Page 6: ... purge gas pressure and flow rate Check for Air Leaks If you suspect an air leak somewhere in the flow first make sure that your purge gas supply is running and that your sensor is at baseline that is showing a typically low oxygen value Fill the test unit with deaerated water full enough to form a protruding meniscus at the test unit s opening Place the test unit on the sample platform and raise ...

Page 7: ...gasket forms a seal with the test unit the glass bubbler should show a few bubbles per second Check if the analyzer measurement value matches the gas sample Check for Clogged Needle Fill a small container with soapy water and place on top of the test unit With the purge gas running place the test unit with the container on top on the sample platform Raise the test unit so that the needle is immers...

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