11-07
ECO SENSORS, INC.
OZONE SENSOR AND MONITOR
Model A-22
I
NSTRUCTIONS FOR USE
Sensor
A-22
SM-X precalibrated sensor module. Replacement easily sent by mail.
Data and power jacks on the side.
Rubber “boot” to protect against mechanical damage.
Page 1: ...INC OZONE SENSOR AND MONITOR Model A 22 INSTRUCTIONS FOR USE Sensor A 22 SM X precalibrated sensor module Replacement easily sent by mail Data and power jacks on the side Rubber boot to protect against mechanical damage ...
Page 2: ...anty statement at the end of this manual OPERATION First verify that the instrument is working as received Turn the function switch to on Digits should appear on the display and assuming no ozone is present should stabilize at 0 000 If the display does not activate the batteries may have discharged during shipping and storage Charge the batteries by rotating the control to the off position Plug in...
Page 3: ...act calibration curve for that particular ozone sensor is burned into the EEPROM The A 22 host instrument adjusts the sensor readings for temperature and relative humidity based on data sent from the sensor module In most cases it is probably cheaper and faster to replace the SM X sensor board with a freshly calibrated one than to send the current old one back for recalibration Also the SM X board...
Page 4: ...vice representative Calibration of the sensor on its board SM X is done by computer in a special laboratory at the factory Therefore in most cases it is lowest cost to replace the SM X board than to request that it be recalibrated Instruments with problems during the warranty period should be returned as system OS 4 and SM 4 to the factory or authorized service representative for diagnosis and rep...
Page 5: ...ional use x Read all instructions in this manual x Keep instrument dry Never let water or other liquids into the sensor x Do not drop the instrument or subject it to continuous vibration x Do not store in high levels of dust x Do not clean the instrument with cleaning chemicals or solvents Clean it with a damp cloth x Do not operate near heavy aerosols spray usage or where oxygen is being administ...
Page 6: ...call Eco Sensors at 800 472 6626 or e mail at sales ecosensors com to receive return instructions and a Return Goods Authorization RGA number Except as provided herein Eco Sensors makes no warranties express or implied including warranties of merchantibility and fitness for a particular purpose Eco Sensors shall not be liable for loss of use of this instrument or other incidental or consequential ...
Page 7: ...rd Care note its location on the main board It can be unplugged by pulling it up 4 Select a replacement sensor module holding it by the edges as shown to avoid static electricity being transferred from your fingers to the delicate semiconductor chips 5 Plug it into the main circuit board so that all the pins on the main board fit into socket holes on the module board The replaced sensor module sho...
Page 8: ... 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: ...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 Turn on A22 4 The computer should recognize the USB connection 5 Select the Install from a specific location option 6 Navigate to the CD ROM drive ...
Page 10: ...10 7 Run the Installation wizard 8 Finish the driver installation ...
Page 11: ...11 A22 Communication with the Computer 1 Open HyperTerminal in Windows 2 Title Connection A22 ...
Page 12: ...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 ...
