ECO Sensors A-22 Instructions For Use Manual
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ECO Sensors A-22 Instructions For Use Manual

Ozone sensor and monitor
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ECO SENSORS, INC.
OZONE SENSOR AND MONITOR
Model A-22
I
NSTRUCTIONS FOR USE
Sensor
A-22
Rubber "boot" to
protect against
mechanical damage.
Data and
power jacks
on the side.
SM-X precalibrated
sensor module.
Replacement easily
sent by mail.
11-07

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Summary of Contents for ECO Sensors A-22

  • Page 1 11-07 ECO SENSORS, INC. OZONE SENSOR AND MONITOR Model A-22 NSTRUCTIONS FOR USE Sensor Rubber “boot” to protect against mechanical damage. Data and power jacks on the side. SM-X precalibrated sensor module. Replacement easily sent by mail. A-22...

  • Page 2: Operation

    In order to burn off any chemicals that the sensor may have absorbed during shipping and storage, you should let the A-22 run with power on and the sensor module connected for 1 hour before response testing or overnight before the first use on site.
  • Page 3 Also the SM-X board can NOT be recalibrated in the field. It can only be done by a special computer at Eco Sensors, Inc. It is more expensive to recalibrate the SM-X than to by a new precalibrated one because the original SM-Xs are calibrated with semiautomatic equipment.

  • Page 4: Mounting Stand

    SM-4) to the factory or authorized service representative for diagnosis and repair. AC ADAPTER For use in 120 V 60 HZ areas, the Eco Sensors P-20 adapter should be used. For other areas adapters should be purchased local that fit local wall sockets and conform to local codes. The output should be 12 volts DC unregulated, 300-500 mA.

  • Page 5: Safety Features

    Response time: Within one minute of when gas reaches the sensor. Temperature and humidity range: 0-40 deg C and 0-80% relative humidity. Supply voltage required: 8-24 volts DC, 300-500 mA. Ground -. Adapter plug: 5.5 mm/2.5 mm female, center +. Size of instrument: 219 (H) X 111 (W) X 61 mm (D) (8.63"...

  • Page 6: Warranty

    If a defect develops during the warranty period, Eco Sensors at its election will repair the instrument or replace it with a new or reconditioned model of equivalent quality. In the event of replacement with a new or reconditioned instrument, the replacement unit will continue the warranty of the original unit.
  • Page 7 APPENDIX A REPLACING THE SENSOR MODULE Always have the function switch in the off position with the adapter disconnected when servicing the instrument or changing the sensor module. Remove instrument from the orange boot and then remove the sensor module access cover. 3 - Locate the sensor module board.
  • Page 8 8 – Power the instrument and after 15 minutes check to see if the sensor seems to be responding to ozone. 9 – Leave the instrument on for at least an hour and preferably overnight to burn-in the new sensor (to restore it to its original calibration by burning off VOCs which could be absorbed by the sensor during storage).
  • Page 9 APPENDIX B A22 USB Direct Connect Procedure Items: USB Cable PC Computer with Windows 2000 or XP USB to UART Driver Disk 1. Install USB to UART Driver Disk in the computer’s CD ROM drive. 2. With the A22 off, attach USB cable from A22 to a USB port on the computer. 3.
  • Page 10 7. Run the Installation wizard 8. Finish the driver installation.
  • Page 11 A22 Communication with the Computer 1. Open HyperTerminal in Windows. 2. Title Connection “A22”.
  • Page 12 3. Set communication parameters as shown. The COM port will be the highest one. i.e, COM6 4. The A22 will output at 1 second intervals. A22 Reading 1.296 PPM:...

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