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page 17

Appendix A: Flow diagram of User Interface in the Operating State 

{

{{

{

{

{

{

{

units

values

values

Sensor

Position

Sensor

Reading

units

New calibration values are saved

Cancel

 

 Autocal (it is not performed)

30 seconds anywhere (other than
 "Autocal") without key press

Toggle Pressure Correct

Display

Flashing PSI means
pressure corrected dewpoint

Toggle 14.7 psi

Confirm autocal

Confirm
autocal

Toggle 14.7 psi

SHORT PRESS

SHORT PRESS

LONG 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

SET

SET

SET

SET

SET

SET

SET

SET

¡TEMP

PSI

PSI

PSI

Viewing

Dewpoint

Viewing

Temperature

at Sensor

View/Set

Sensor

Pressure

View/Set

Gas

Pressure

Start

Autocal

Viewing

Serial-

number

Power  ON initialization
and sign on message

NUMBERS 

CALCULATING

CALIBRATION

Legend:   

/

   separates alternatively displayed messages

                    denotes beeping
               Buttons without designator or arrow leading out, perform no function

For backlight, hold
until it comes on

Содержание 8800P

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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