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PPM–400ST Formaldehyde Meter Operation Manual

8 ACCESSORIES

Mounting Systems

Several options for mounting the PPM–400ST
Formaldehyde Meter

are available, including a desk

mount for display purposes, and a wall mount for
more permanent monitoring.

Rubber Sleeve
“Blue Boot”

Protective case.

For more details on these and other accessories
please contact PPM Technology or your local
distributor.

Содержание PPM-400ST

Страница 1: ...nology com PPM Technology Ltd Cibyn Industrial Estate Caernarfon Gwynedd LL55 2BD Wales UK Telephone 44 0 1286 676 999 Fax 44 0 1286 671 811 E mail info ppm technology com Registered in Wales 3743347...

Страница 2: ...400ST FORMALDEHYDE METER 10 3 1 Taking A Sample 10 3 2 Sensor Recovery Period 11 4 CALIBRATION CHECK AND ADJUSTMENT 12 4 1 General Information 12 4 2 The Formaldemeter Calibration Standard 12 4 3 Cali...

Страница 3: ...or is capable of displaying formaldehyde readings in both parts per million ppm and milligrams per cubic metre mg m3 and has built in data analysis functions to compensate for high humidity readings t...

Страница 4: ...age Inspect all items carefully any damaged or missing items must be reported immediately to both the carrier and your dealer 1 2 General Description Unlike other formaldehyde monitoring devices such...

Страница 5: ...personal exposure A series of readings taken at short intervals is preferable to infrequent tests Avoid smoking in the environment to be analysed tobacco smoke contains aldehydes which will interfere...

Страница 6: ...e is drawn into sensor Battery Compartment The battery compartment is located beneath a cover at the rear of the instrument See Section 6 1 for guidance on battery replacement Keypad Four buttons oper...

Страница 7: ...de concentration and also text messages during certain operations Sensor recovering 0 00 Sensor ready run Sampling ALt Alternative result CAL Taking calibration sample SEt Set calibration level bAt Re...

Страница 8: ...mple The voltage is amplified and converted to a digital signal for a microprocessor which in turn manipulates the signal to give a result on the instrument display in parts per million by volume ppm...

Страница 9: ...n to the sampling port of the instrument Each filter should be used no more than ten times and then discarded Partially used filters should not be stored in the vial with unused filters Replacement fi...

Страница 10: ...into the instrument Display Reading As the sample is analysed the display will flash between and 0 00 for 10 seconds and then stay on for the remainder of the sample After 60 seconds the display will...

Страница 11: ...eneral rule the higher the reading obtained the longer it takes for the sensor to clear If the instrument is switched on before the sensor has cleared the pump will not operate and the display will fl...

Страница 12: ...y subsequent calibration adjustments be carried out at the approximate operational temperature as the environment to be sampled This will improve sample accuracy 4 2 The Formaldemeter Calibration Stan...

Страница 13: ...ion where the temperature is stable for at least one hour before commencing the calibration check procedure to allow thermal equilibration Sensor Check Before carrying out a calibration check the sens...

Страница 14: ...nt Procedure To see whether a full recalibration is required perform a calibration check first as described in Section 4 3 Temperature Equilibrium Place the instrument a thermometer and Calibration St...

Страница 15: ...ds followed by SEt and 2 000 alternating 7 Refer to the look up table printed on the Calibration Standard and use the thermometer reading to find the required calibration value For example at 21 C the...

Страница 16: ...sius on the display followed by C 3 The instrument will then display the current relative humidity in followed by rH 4 These four displays will cycle until the instrument turns itself off after 30 sec...

Страница 17: ...he instrument must be calibrated as described in Section 4 4 Changing the Limits Holding down the and buttons whilst turning the instrument on will enter the configuration menu ConF will be shown on t...

Страница 18: ...ldehyde Meter Please contact the manufacturer regarding this setting as changing the limit to 4 may require additional changes to the instrument settings and hardware 5 3 Data Retrieval The PPM 400ST...

Страница 19: ...nd turn the instrument off Clearing the Memory To delete all the saved samples from the memory enter the data viewing mode as described above and then hold down both the and buttons This will start th...

Страница 20: ...ning agents as this could damage the instrument If the instrument requires cleaning use a damp cloth only Storage When not in use your PPM 400ST Formaldehyde Meter should be stored in the supplied car...

Страница 21: ...that the instrument has been turned off for about 5 minutes 2 Hold down the button whilst turning the instrument on The display will show tESt Release all the buttons 3 A four digit value will appear...

Страница 22: ...ing system or the sensor Contact PPM Technology or your dealer for further details Display Shows ttp Lo after switching ON Known as Low Time To Peak this is due to the internal electrochemical fuel ce...

Страница 23: ...ou will need to return the instrument pump setting back to the original value noted in Step 3 above and recalibrate the PPM 400ST If the instrument is still displaying this message please contact PPM...

Страница 24: ...ng the instrument on rSEt will appear on the display Release all the buttons 2 Next No will appear on the display To continue with the Re Set press to change the No to a YES and then press the button...

Страница 25: ...r mounting the PPM 400ST Formaldehyde Meter are available including a desk mount for display purposes and a wall mount for more permanent monitoring Rubber Sleeve Blue Boot Protective case For more de...

Страница 26: ...ord Limited or PPM Technology Limited and a completed Returns Cover Sheet where appropriate Damage due to defacement misuse tampering lack of prescribed maintenance or use in violation of the instruct...

Страница 27: ...urned to PPM Technology for suitable disposal Restriction of use of certain Hazardous Substances RoHS Declaration In compliance to the RoHS directive we declare that our products do not contain more t...

Страница 28: ...oncentration of formaldehyde by around 15 so should only be used in conditions where there are suspected interferences and the instrument should be calibrated with the filter in place See Section 2 2...

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