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instrument, while still blocking the sample outlet port.

Observe the change in dewpoint indication. The reading will be stable within about 3 
minutes, if the dewpoint is increasing. A longer stabilization period will be required, if 
the dewpoint is decreasing. Make sure the reading has completely stabilized before 
taking the final reading. After the reading is taken, push the sensor actuator back into 
the dry-down position.

Note that when the instrument is being operated on a battery it will shut off automatically 
if no buttons are pressed for: 6 minutes when sensor is in the sample chamber (the out 
position), or 3 minutes when sensor is in the desiccant.

Summary of Contents for 8800P

Page 1: ...instruction manual Teledyne Analytical Instruments A Business Unit of Teledyne Electronic Technologies Model 8800P TRACE MOISTURE ANALYZER...

Page 2: ...presentative is Except as may be provided by contract this document and all specifica tions and drawings contained are the property of Teledyne Analytical Instruments are issued in strict confidence a...

Page 3: ...siccant cartridge and lithium battery 2 2 VCO to Swagelok fittings and 2 Swagelok to barbed hose fittings 3 Calibration bulb 4 Shoulder strap Optional Equipment 5 VCO to VCO Fittings 6 Pig tail 7 Flex...

Page 4: ...ressures slightly above atmospheric however each sample cell sensor piston dry storage assembly has been tested for pressures up to 120 PSI Do not introduce sample streams which could cause pressure r...

Page 5: ...mple Cell 10 Electronic Board 5 Sensor 11 Instrument Case 6 Spring loaded PTFE seals The drawing on the left shows the 8800P with the sensor in dry storage position The sen sor is enclosed in a gas ti...

Page 6: ...contamination with desiccant particles The factory supplied desiccant provides dry storage dewpoints as low as 80 C when fresh When the sensor is pushed into dry storage it will take some time to dry...

Page 7: ...tubes are perfectly acceptable and offer advantages due to their flexibility for dew points above 65 C However PTFE tubes should be kept as short as possible Under no circumstances use rubber or plas...

Page 8: ...ed if the dewpoint is decreasing Make sure the reading has completely stabilized before taking the final reading After the reading is taken push the sensor actuator back into the dry down position Not...

Page 9: ...f the display Be careful not to change any parameter inadvertently 3 C F appear simultaneously to indicate the sensors attenuation in decibels 4 Values higher than 1999 and lower than 0 01 are display...

Page 10: ...in and out of pressure cor rect mode When there is no pressure correction applied the PSI legend does not appear The PSI legend flashes at the bottom of the display when there is pressure cor rection...

Page 11: ...splays the word 1 for 1 2 second and goes back to the Viewing Dewpoint Mode Autocal can be initiated by pressing the up button The unit will check if the sensor is in the sampling chamber if not it wi...

Page 12: ...r dewpoint can be alternated in two different units 3 Selecting the sensor type In this mode the user can select the software matching the type of sensor installed in the instrument XTR 100 100 C to 2...

Page 13: ...ared see the pin out table below In order to receive the dewpoint in the currently selected engineering units the host com puter must query the 8800P with C R The 8800P will respond with the dewpoint...

Page 14: ...ull range of the sensor this feature may be useful in cases where a higher resolution output is required over a narrow dewpoint range or vise versa To verify or change the current loop scaling follow...

Page 15: ...VDC to 25VDC when operating from external DC power The unit requires 12VACrms to 25VACrms when operating from external AC power In either case the unit can draw up to 50mA when the backlight is on and...

Page 16: ...icro climate in sample cell while the display is flashing B 10 After one minute the instrument displays calibration numbers to be stored in the instruments memory displays 1 and thereafter goes back i...

Page 17: ...e sensor actuator The replacement cartridge is in a sealed tin container Open the container and remove the replacement desiccant cartridge Remove the GREEN cap DO NOT open the RED cap as the desiccant...

Page 18: ...to 50 C 231 Sensor circuit is open dewpoint displays tests check sensor wetup sensor to see if it will react 6 7 Sensor is saturated dry down the sensor 6 5 Sensor circuit is shorted check sensor Tryi...

Page 19: ...PRESS LONG PRESS SHORT PRESS 1 2 sec LONG PRESS AND PSI MODE 1 minute few sec 1 sec OUT OK TOO LOW IN DESICCANT 65 20 CAL XSN 123 END SEN 2LO CNF AC AC _AC PUL OUT CAN SEN VALUE GAS VALUE F C DEWPOINT...

Page 20: ...ve attenuation Manual calibration Set dewpoint corresponding to low end of analog output Factory default is low range of sensor e g 100 C for XTR 100 Factory default is high range of sensor e g 20 C f...

Page 21: ...4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 0 100 200 300 400 500 600 700 800 900 1000 1100 XTR100 4 20 mA output Instrument reading in ppmV...

Page 22: ...3 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 Measured Dewpoint C Dewpoint 3 C Dewpoint 3 C Uncertainty of ppmV calculation due to 3 C measurment accur...

Page 23: ...page 21 Appendix E Battery Life...

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