Nuvair PRO HE Operation Manual Download Page 18 | Manualshive

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Pro He

TM

Alarm Helium Analyzer

NUVAIR

Page

18

www.nuvair.com

12.0 Relay Output Schematics

4-20mA Connections:

The relay output uses a special “Mini Jack” plug that can be

purchased separately from Nuvair. Insert the plug into the output jack. Connections diagram
below for additional wiring.

The plug should be connected or disconnected when the instrument is switched off, or
the instrument will automatically switch off.

Open Collector Connections:

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Summary of Contents for PRO HE

Page 1: ...Operation Manual Pro He AlarmTM Helium Analyzer Rev 07 16...

Page 2: ...his Operation Manual contains important safety information and should always be available to those personnel operating this equipment Read understand and retain all instructions before operating this...

Page 3: ...2Programming Procedures 4 3Alarm Setting 4 4 Full Scale Value Setting 4 5 Auto Off Delay Time Setting 5 0Threshold Alarms 6 0 Powering Off 7 0 Factory Reset 8 0 Maintenance 8 1Analyzer Care 8 2Battery...

Page 4: ...rmation introduced by the following signal words Indicates an imminently hazardous situation which if not avoided will result in serious personal injury or death Indicates a potentially hazardous situ...

Page 5: ...entally sealed The Analyzer uses a Flow Adapter Cap and Flexible tubing to deliver sample gas to the Sensor Pressurized gases must be regulated to avoid damage to the analyzer Use of this Analyzer in...

Page 6: ...He TM Alarm Helium Analyzer NUVAIR Page 6 www nuvair com 2 0 Description Model 9627 Model 9628 Model He Model He with rechargeable Lithium Polymer battery Only use Nuvair supplied charger for this bat...

Page 7: ...uum must be avoided 2 5 Batteries The 9627 29628 use one 9 volt battery for power The battery is located inside the Analyzer and is user replaceable These models can be supplied with a 110 230V power...

Page 8: ...correct readings may expose the user to high levels of carbon Dioxide resulting in personal injury or death Checking Calibration or use of the Analyzer with a low battery may result in inaccurate read...

Page 9: ...us twice before returning the home screen Gas even under moderate pressures can cause extreme bodily harm Never allow any gas stream to be directed at any part of your body Never expose the sensor to...

Page 10: ...s must contain a known amount of Helium for calibration test to succeed Step 1 Attach Flexible Tubing to Gas Sample Flow of 0 5 to 1 L min Step 2 Verify that Gas is Flowing Out Holes in Flow Adapter C...

Page 11: ...2 High alarm point expressed in ppm of Helium concentration o FSC Value expressed in ppm of Helium concentration corresponding to the current output full scale value 20mA 4mA always correspond to 1999...

Page 12: ...as the Alarm settings 1 Press the Prog button for more than two seconds and then release the button On the display will appear Pr for two seconds then AL 1 will appear Press the On Off button to cycl...

Page 13: ...ll display OFF and then go blank 7 0 Factory Reset In case it is necessary to reset the Pro He Analyzer to the factory settings or the displayed Helium Percentage does not correlate with the content o...

Page 14: ...act may result in incorrect readings Incorrect gas analysis may result in personal injury or death Protect the analyzer from exposure to hyperbaric environments Exposure to hyperbaric environments may...

Page 15: ...replace the batteries in the Analyzer He Model Remove four nuts and pull out aluminum plate Under this plate is the Lithium Polymer battery Contact Nuvair for a replacement battery Step 1 Remove Screw...

Page 16: ...se any other helium sensor brands for replacement 9 0Spares 9 1 Calibration Equipment Calibration check requires certified He calibration gas to be delivered at a specific flow rate and pressure A var...

Page 17: ...ff Bad connection Low Battery Switch on Check display battery connection Change the battery Reading erratic Pressure on sensor Radio transmission Sensor old or faulty Condensation on sensor Check flow...

Page 18: ...utput uses a special Mini Jack plug that can be purchased separately from Nuvair Insert the plug into the output jack Connections diagram below for additional wiring The plug should be connected or di...

Page 19: ...n the sensing surface Note All specifications are at ambient sea level 77 F 25 C and subject to change without notice Charger Specifications for Lithium Polymer rechargeable battery Models Features 11...

Page 20: ...ill begin with the date of manufacture by NUVAIR Maintenance Items Any materials which are consumed or otherwise rendered not warrantable due to processes applied to them are considered expendable and...

Page 21: ...Pro He TM Alarm Helium Analyzer NUVAIR Page 21 www nuvair com Notes...

Page 22: ...Notes...

Page 23: ...Notes...

Page 24: ...Nuvair Phone 805 815 4044 Fax 805 486 0900 1600 Beacon Place Oxnard CA 93033 USA Email info nuvair com Web www nuvair com Revision 07 16...

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