Hoffrichter TREND II User Manual Download Page 11

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Standby Mode

STANDBY MODE

The device is in the standby mode as long as the tur-

bine is turned off. The standby mode is indicated by

the illuminated display showing date and time. Power

consumption in this mode is approx. 5 W.
In the standby mode, the device TREND II may remain
continuously switched on without posing any risk.

Summary of Contents for TREND II

Page 1: ...User s Manual CPAP AUTO BILEVEL BILEVEL ST20 Quality makes the Difference HOFFRICHTER TREND II ...

Page 2: ...serial number in order to ensure traceability The serial number is indicated on the type label on the bottom of the system Please always specify the serial number in inquiries and complaints CONFORMITY The device complies with the requirements of the Direc tive 93 42 EEC ...

Page 3: ...ded Use 12 Contraindications 13 Technical Description 14 General Remarks 14 TREND II CPAP 16 TREND II AUTO 17 TREND II BILEVEL 19 TREND II BILEVEL ST20 20 Notes Prior to First Use 22 Views 24 Front View 24 Back View 25 Scope of Delivery 26 Optional Accessories 27 Use of the Device 28 Use of Oxygen 30 Filter Change 32 ...

Page 4: ... Gear 34 Alarm Functions of the Device 35 Power Failure 35 Mask Alarm 36 Pressure Alarm 36 Wake Alarm 37 Functions of the Device 38 Info Menu 39 Patient Menu 44 Clinic Menu 56 Troubleshooting 69 Display Messages 72 Service 75 Preparing the Device for a Different Patient 76 Disposal 77 Device 77 Packaging 77 Technical Data 78 ...

Page 5: ...rt type BF Electric safety class II with protective insulation CE Declaration of Conformity Manufacturer Observe the User s Manual Do not dispose of the device with normal domestic waste For information on the proper disposal of the device please con tact your responsible customer service ...

Page 6: ... not liable for any damage and consequential damage nor for any effects on the safety reliability and performance of the device if manipulations modifications expansions adjust ments repairs and maintenance measures are carried out by persons not authorized by us to do so use is made of accessories and spare parts which come from other manufacturers and have not been released by us for use with th...

Page 7: ...ask or in the adapter between the mask and the tube is unobstructed so that the exhaled air that is loaded with CO2 can escape Never set up the device in a compartment of a cabinet nor under your bed Please make sure air can circulate around the device and the power plug is readily accessible Do not place the device in the vicinity of radiators Ensure that the device is positioned horizontally Thi...

Page 8: ...e disturbances of orientation or memory Immediately notify your specialized dealer if the device fails to function properly Never place the respiration therapy device in the vicinity of other equipment or devices such as defibrillators diathermy equipment mobile phones microwave remote controlled toys etc Electro magnetic fields greater than 3 V m may affect the operation of the device When connec...

Page 9: ...r specialized dealer of any disturbances and failures Protect the device from water and moisture Never operate the device in moist rooms nor in a bathroom Do not place a vessel filled with fluid on the device Be absolutely sure not to seize the device if it has fallen into water Do not set up the device in the vicinity of water vessels bath tubs Before cleaning the device always disconnect the pow...

Page 10: ...0 60 Hz This allows connection to all energy supply networks in the world It is also possible to operate the de vice with a direct voltage of 24 V DC e g for mobile use in a truck or mobile home When connecting the device to a DC supply source please only use the optional connec tion cable and do not use the device with a PC ...

Page 11: ...e as long as the tur bine is turned off The standby mode is indicated by the illuminated display showing date and time Power consumption in this mode is approx 5 W In the standby mode the device TREND II may remain continuously switched on without posing any risk ...

Page 12: ... is not suitable for being used with patients who need artificial respiration This therapy device is no life preserving system The treatment pressure is applied through a breathing mask This breathing mask must be provided with an exhalation valve in order to ensure that the exhaled air is discharged Do not wear the breathing mask while the therapy device is turned off because otherwise you might ...

Page 13: ...ood pressure Air accumulation after open craniocerebral trauma or other head injuries In case of an inflammation of the paranasal sinuses or the middle ear it might be indicated to stop the ther apy Please consult your physician Devices which have been fitted with an AquaTREND uni humidifier may not be used with additives such as medi cation or aroma oils in the humidifier water ...

Page 14: ...y the breathing work for the patient is as easy as possible There are two separate tubings in the device One is for respiratory air and one is for the convection air required for cooling the electronics In addition to the mask alarm the device offers an other safety function the power failure alarm It automatically restarts the motor after power restoration The device contains a built in microcont...

Page 15: ...ional cases For that reason a therapy might require air humidification AquaTREND uni a clip on humidifier is available as accessory for all TREND II devices If necessary just click the humidifier onto the device Remove it by pressing its release button The heater levels are set in the heater menu The selected heater level is displayed as in the display of the device while the humidifier heating is...

Page 16: ...device provides a continuous positive air pressure Apart from the con ventional CPAP mode the device offers a proportional increase in pressure in the FLEXLINE mode to the indi vidual breath flow during inspiration and a pressure drop during the expiration This intelligent method of pressure adjustment makes a careful therapy possible ...

Page 17: ...ase For a high therapy comfort the therapy pressure should always be only as high as necessary and as low as pos sible The device can recognize the following respiratory events Obstuctive apnea Hypopnea Central apnea Snoring Normal respiration Increased airway resistance The identification of the different respiratory events is achieved via 3 channels 1 Measurement of any constriction of the respi...

Page 18: ...f pressure for central events and normal respiration In addition the pressure increase can be adjusted in 5 levels according to special requirements and to the individual patient comfort These settings are per formed by the physician with the help of the PC soft ware TRENDset In addition to normal APAP and CPAP mode the device offers the FLEXLINE mode a pressure increase which is proportionate to ...

Page 19: ...ol device A flow based trigger is integrated which can be set separately for inspiration and expiration While the pressure increases during inspiration it decreases during expiration In connection with an optimum slope adjustment this results in a ventilation which is very comfortable for the patient and which gives the patient the impression as if the device is following the natural respiration w...

Page 20: ...tion While the pressure increases during inspiration it decreases during expiration In connection with an optimum slope adjustment this results in a ventilation which is very comfortable for the patient and which gives the patient the impression as if the device is following the natural respiration without delay In the device are the modes S ST and T mode inte grated S mode Spontaneous trigger the...

Page 21: ... patient in the prescribed safety frequency The delay time after which the device switches into the T mode can be set T mode Time respiration with prescribed set inspiration time If the trigger function is deactivated the patient is ven tilated according to the set parameters If the trigger function is activated the device accepts only sponta neous trigger signals in the expiration phase NOTE Duri...

Page 22: ...em regularly and check all acces sory parts particularly the therapy tube the mask and the head gear We recommend that you wash your face before going to sleep in order to remove fat and cos metics from your skin This increases the service life of the mask and helps to prevent irritations of the skin Make sure the measurement tube is unobstructed at all times Avoid ingress of water into the measur...

Page 23: ...d behind the device must not be impaired by furniture curtains or cushions Set up the device next to your bed Place it on a firm and flat surface of your bedside cabinet Do not place the device in a way that it is exposed directly by sunlight or UV light During mobile use the device must also be placed on a firm and flat base which must have an edge to protect the device from falling off ...

Page 24: ...11 10 6 7 8 9 VIEWS FRONT VIEW 1 Program keys 2 Filter cassette 3 Display 4 Heater LED 5 Info key 6 Heater key 7 Release button for acces sories 8 Measuring tube connection 9 Air outlet 10 Contact socket for humidifier 11 ON OFF key ...

Page 25: ...Views 25 BACK VIEW 12 DC Input 24 V DC 13 RS232 interface 14 Power connection 230 V AC H O F F R I C H T E R 12 13 14 ...

Page 26: ...e of Delivery SCOPE OF DELIVERY 1 Therapy device 2 User s manual 3 Power cord 4 Therapy tube 1 80 m incl measuring tube 5 Stoppers 6 Carrier bag 7 Replacement filter cas sette without frame cover 4 3 2 1 6 5 7 ...

Page 27: ...000 7116 Carrier bag 0000 2437 Filter cassette 0000 2058 A breathing mask that has been specially adjusted for the individual patient is required for start up and use of the device in the domestic area in addition to the therapy device with power cord and therapy tube OPTIONAL ACCESSORIES Art No AquaTREND uni 0000 2073 Car cable 0000 9212 12 V to 24 V converter 0000 7133 Replacement filter cassett...

Page 28: ...Connect the therapy tube a to the air outlet and b to the mask 4 Also connect the measuring tube to the measur ing tube connection 5 Put on the mask If you have selected the automatic mode the device will start on your first breath In the manual mode press the ON OFF key to start the device 6 The device will then run through the mask test for the time selected and at the pressure prescribed You sh...

Page 29: ... the soft start function the device initially reduces the pressure after comple tion of the mask test and will then slowly increase the pressure automatically to the prescribed value allowing you to fall asleep at a lower pressure NOTE For information on how to adjust the soft start and mask test times to your individual demands please refer to the chapter Functions of the Device from page 38 HOFF...

Page 30: ...ically approved material Please consult your local dealer You can also supply the oxygen through an adapter which is mounted to the air outlet Please consult your local dealer In any case please be absolutely sure to follow your physician s instructions ATTENTION Oxygen promotes combustion processes For that reason please observe the valid fire protection regulations for the use of oxygen Keep oxy...

Page 31: ...d as long as the device is in the standby mode or while it is turned off Always turn on the device first and only then the oxygen supply Turn off the oxygen supply before turning off the device Activate Auto OFF as described on page 52 Whenever you use the device check the tube con nections for proper seating beforehand ...

Page 32: ...place the filter cassette 4 Mount the filter frame cover onto the new filter cas sette Make sure the upper part slit and the filter cassette pin are in the correct position To set back the message proceed as described in the chapter Patient Menu on page 46 NOTE Never operate the device without filter cassette Only and exclusively use original HOFFRICHTER filter cassettes Otherwise the warranty for...

Page 33: ...iene the therapy tube must be cleaned on a weekly basis Make sure the measuring tube is unobstructed at all times Avoid ingress of water into the measuring tube during the weekly cleaning If water droplets should have accidentally entered the measuring tube they must be carefully and thoroughly removed 1 Close the measuring tube tightly with the stoppers before cleaning see page 26 2 Use mild soap...

Page 34: ...eaned on a weekly basis 1 Disconnect the power plug 2 Wipe the device with a cloth slightly moistened with soapy water Then use a dry cloth to wipe the device dry You do not have to disinfect the device or parts of the device chemically or thermally CLEANING THE HEAD GEAR Clean the head gear as required 1 Disconnect the head gear from the mask 2 Clean the head gear as described in the head gear ma...

Page 35: ...turned off by pushing the ON OFF key After power supply is re established the motor starts automatically and the display will show the following message Checking the power failure function NOTE To check the power failure alarm the device must have been connected to the power cord and turned on for at least half an hour Use the device with running blower and then pull the power plug out of the wall...

Page 36: ...arm Use the device with running turbine in the manual mode automatic function OFF or Start The mask is open but not applied to your face After a short time an audible signal is emitted PRESSURE ALARM If during the therapy a hardware error occurs or the pressure becomes too high e g due to a bent measur ing tube the device will generate an alarm sound and turn off the blower The alarm is turned off...

Page 37: ...t any time The alarm clock emits an alarm at the programmed wake time Press the ON OFF key once to stop the alarm for the next 5 minutes can be set with the help of the PC soft ware and twice to deactivate it completely The alarm clock function may have been deactivated through the software Please contact your specialized dealer or service technician for activating these func tions ...

Page 38: ...e displayed The triangu lar symbol preceding the line indicates that this line has been selected NOTE If you do not press any key for 30 seconds while programming the programming mode is automati cally exited for safety reasons Unless the changed value is confirmed with the enter key when the programming mode is exited the origi nal value remains as it is f you select the line Exit Menu and then p...

Page 39: ... for scrolling within the menus The sequence of the menu structure is shown in the table on page 40 INFO MENU By pressing the info key i you get to the Info Menu By pressing the key and you can see the next parameters To exit the Info Menu select the line Exit Menu and then press the key If you do not press any keys for 30 seconds the device will automatically switch back to the operating mode The...

Page 40: ...ilter Filter Filter Filter Ramp Ramp Ramp Ramp P Ramp P Ramp P Ramp P Ramp Mode Mode Mode Mode Pressure Pressure Pressure Pressure FLEX Level FLEX Level I Pressure I Pressure P Start E Pressure E Pressure P Min I Slope I Slope P Max E Slope E Slope I Trigger Trigger E Trigger I Trigger E Trigger Frequency Inspiration Delay Time ...

Page 41: ...ft start ramp P Ramp Shows the ramp start pressure Mode Shows the selected mode Pressure Shows the selected therapy pressure FLEX Level only in mode FLEX Shows the selected FLEX Level P Start only in mode APAP Shows the selected start pressure 4 1 Q 5 MMMMMMMM 4 1 Q MMMMMMMMMM 4 1 Q MMMMMMMMMMMM 4 1 Q MMMMMM 4 1 Q MMMMMM 2 4 1 Q 00 MMMMMMB 4 1 Q 2 MMMMMMMM 4 1 Q MMMMB ...

Page 42: ... the selected expiration pressure I Slope only in modes S T and ST Shows the selected inspiration slope E Slope only in modes S T and ST Shows the selected expiration slope Trigger only in mode T Shows if the inspiration trigger is activated or not I Trigger only in modes S T and ST Shows the selected inspiration trigger threshold 4 1 Q MMMMMMMM 4 1 Q 4 MMMMMM 4 1 Q 00 MM 4 1 Q 00 MMMMA 4 1 Q MMMM...

Page 43: ...cy only in modes T and ST Shows the selected number of breaths per minute Inspiration only in modes T and ST Shows the ratio of inspiration time proportionate to the entire breath Delay Time only in mode ST Shows the delay for switching from S mode to T mode 4 1 Q MMMMMMMMMM 4 1 Q 1 5MM 4 1 Q 0 MM N 4 1 Q 5 MMMMMM 0 ...

Page 44: ... display TREND II CPAP TREND II AUTO TREND II BILEVEL TREND II BILEVEL ST20 Wake Time Wake Time Wake Time Wake Time Delete Filter Delete Filter Delete Filter Delete Filter Ramp Mask Ramp Ramp Mask Test Ramp Mask Test Mask Test Automatic Mask Test Automatic Automatic Brightness Automatic Brightness Brightness Date Brightness Date Date Time Date Time Time Time ...

Page 45: ...he key again ends the input and you get back to the menu Changing the wake time will automatically activate the alarm clock After leaving the menu the alarm clock can be acti vated and deactivated with the help of the and keys Press to activate the alarm function The display briefly shows the wake time allowing you to verify it After that a bell symbol in front of the time display shows that the w...

Page 46: ... to the Patient Menu press the key for approx 1 second then select Delete Filter with the keys and Press the key The system will now ask you whether you are sure that you want to perform a reset Press the key to perform the reset Now the filter counter is reset to zero If you do not want to reset the filter counter leave the menu by using the keys and or wait until the system leaves the menu item ...

Page 47: ... In this menu item the type of mask can be cho sen This is important for the correct function of the therapy device It can be chosen between Nose and Nose Mouth Choose Nose for all nasal masks and pillow masks Choose Nose Mouth for all nasal mouth masks 4 1 Q 0 MMMMMMMMMMMMMM 0 ...

Page 48: ...respira tion therapy the soft start can help you get accus tomed to the device and fall asleep easily The device allows delay times ranging from zero the prescribed therapy pressure is applied at once to 60 minutes the prescribed therapy pressure is built up within 60 minutes The initial ramp pressure P Ramp can be set by health professionals within a range from 4 hPa to the pressure prescribed To...

Page 49: ...Functions of the Device 49 TREND II CPAP TREND II AUTO TREND II BILVEL TREND II BILEVEL ST20 I Pressure E Pressure ...

Page 50: ...ven under the maximum therapy pressure If the FLEXLINE mode is switched on the pres sure is raised by 1 hPa at FLEX Level 1 2 hPa at FLEX Level and 3 hPa at FLEX Level 3 TREND II CPAP and TREND II AUTO If the APAP mode is switched on the pressure is raised to the max pres sure TREND II AUTO and in the devices TREND II BILEVEL and TREND II BILEVEL ST20 the pressure in the modes S ST and T is raised...

Page 51: ...Functions of the Device 51 TREND II CPAP TREND II AUTO TREND II BILVEL TREND II BILEVEL ST20 Mask Test I Pressure Mask Test E Pressure ...

Page 52: ... start breath ing the turbine of the device is turned on If you take the mask off the turbine is automatically turned off after a delay time of 5 seconds In the automatic mode the turbine is turned off even if the mask or the tube slips off unnoticed dur ing the night 3 Auto Start with mask alarm The third option that can be selected is the Auto Start mode In this mode the turbine is also turned o...

Page 53: ...play To do so go to the Patient Menu hold down the key for approx 1 second Then select Bright ness by using the key and After pressing the key the currently set brightness will flash and can then be adjusted by using the keys and in intervals of 10 Press for accepting the selected brightness If no key is pressed for 15 seconds the device will select the brightness previously set by you After press...

Page 54: ...Then select Date by using the keys and After using the key the year will flash and can be set by using the keys and After using the key again the month will flash and can be set by using the keys and After using the key again the day will flash and can be set by using the keys and Press the key again to accept the set date 4 1 Q MMMM 5 D ...

Page 55: ...e keys and After pressing the key the hour will flash and can be set by using the key and After pressing the key again the minutes will flash and can be set by using the keys and Press the key again to accept the set time With its built in battery the internal clock has a reserve power of 8 years without connection to the external power supply 4 1 Q MMMMMMMMMMMM L ...

Page 56: ...essionals In the Clinic Menu the following patient and device rel evant data can be shown and changed Enter the PIN code for parameters which are marked with a shown on page 57 for prevention of wrong param eter settings Your physician and specialized dealer know this PIN Please do not try to find out the PIN If you are in doubt as to whether the set parameters are correct please consult your phys...

Page 57: ...r Trigger Language Ramp P Ramp E Trigger I Trigger P Unit Mask Test Ramp P Ramp E Trigger Turbine Filter Therapy Standby Automatic Mask Test Frequency Delete Filter Brightness Automatic Inspiration Date Language Brightness Delay Time Time P Unit Language Ramp P Ramp Wake Time Turbine Filter Therapy Standby P Unit Mask Test Delete Filter Turbine Filter Therapy Standby Automatic Date Delete Filter B...

Page 58: ...nter the first digit of the PIN with the help of the and keys After pressing the key the second digit will flash Enter the sec ond digit of the PIN with the help of the and keys and proceed as described for the first digit Enter the third digit accordingly After entering the last digit of the PIN you can switch between the modes by pressing the key Leave the menu once the desired mode is selected ...

Page 59: ...keys and proceed as described for the first digit Enter the third digit accordingly After entering the last digit of the PIN you can set the pressure by using the keys and Then confirm the selected pres sure by pressing the key FLEX Level only in mode FLEX The value of pressure increase and pressure decrease depends on the value of the breathing flow the set FLEX Level and the set therapy pressure...

Page 60: ...f the PIN with the help of the and keys and proceed as described for the first digit Enter the third digit accordingly After entering the last digit of the PIN you can set the FLEX Level by using the keys and Then confirm the selected level by pressing the key P Start only in mode APAP You have to activate the Clinic Menu first for chang ing the start pressure Then select P Start by using the keys...

Page 61: ...Confirm with the key I Pressure only in modes S T and ST Pressure during inspiration For changing the I Pressure go to the Clinic Menu hold down the key for approx 1 second Then select I Press by using the keys and Press the key Now the device will prompt you to enter the PIN The first digit is flashing Enter the first digit of the PIN with the help of the and keys After pressing the key the secon...

Page 62: ...e by pressing the key Next the parameter E Pressure is set E Pressure only in modes S T and ST Pressure during expiration Press the key Now select the desired pressure by using the keys and Press to confirm Next the parameter I Slope is set I Slope only in modes S T and ST Time of pressure increase from E Pressure to I Pres sure pressure increase rate Press the key Now select the desired time by u...

Page 63: ...d time by using the keys and Press to confirm I Pressure I Slope E Slope 0 3s 0 3s E Pressure Trigger only in mode T Activate the Clinic Menu to set the trigger Then select Trigger by using the keys and Press the key Now the device will prompt you to enter the PIN Pressing the key again changes the set ting from OFF to ON and vice versa 4 1 Q MMMMMMMMMMMM 0 4 1 Q MMMMMMMMMM ...

Page 64: ...nd Press the key Now the device will prompt you to enter the PIN Now select the desired level by pressing the keys and Press To confirm Next the parameter E Trigger is set E Trigger only in modes S and ST The E Trigger determines the trigger sensitivity for detecting expiration It can be set to three levels 1 60 of Peak flow 2 70 of Peak Flow 3 80 of Peak flow Press the key Now select the desired ...

Page 65: ...bpm to 30 bpm in 1 bpm intervals Inspiration only in modes T and ST The inspiration ratio is the inspiration time in relation to the time of the entire breath interval Activate the Clinic Menu to set the inspiration ratio Then select Inspiration by using the keys and Now the device will prompt you to enter the PIN After enter ing your PIN press the key again Set the desired inspiration ratio by us...

Page 66: ...ress to confirm You can set values from 0 sec to 20 sec in 1 sec intervals Language The device can emit display messages in German DEU English ENG Greek ELL Spanish SPA French FRA Italian ITA Dutch NLD Turkish TUR Polish PLK and Portuguese POR Fur ther languages in preparation For changing the language go to the Clinic Menu hold down the key for approx 1 second Then select Language by using the ke...

Page 67: ...pprox 1 second Then select P Unit by using the keys and Press the key Each time you press the key another pressure unit will appear Leave the menu once the desired pressure unit is selected The device will then save the new unit NOTE When changing the pressure unit from hPa or mbar to cmH2O the pressure will slightly change Conversion 1 hPa 1 mbar 1 02 cmH2O Example At 8 cmH2O the pressure is 7 84...

Page 68: ... last reset Therapy The counter indicates the operating time with the therapy pressure applied Standby This counter indicates the time the device was connected to the mains supply To display the counter go to the Clinic Menu hold down the key for approx 1 second Then select Turbine by using the keys and Press the key Each time you press the key you see the next counter 4 1 Q 1 MMMMMMMM 4 1 Q MMMMM...

Page 69: ...use or alter the soft start function Dryness and irritation of nose and throat Air too dry Device probably without air humidifier consult a physi cian and consider prescrip tion of retrofitting a humidi fier Return of original sleep apnea symptoms Different physical condition and different conditions of living Inform the attending physi cian Device failure Return the device to the service to have ...

Page 70: ...sician Reddening of the skin in the area of the mask swelling of the skin Wrong mask size Inform the attending physi cian Head gear too tight Head straps loosened Allergic reaction Inform the attending physi cian Air sensed to be too warm Filter dirty Exchange filter Air inlet obstructed Check the device for proper setup Radiator in the vicinity of the device Increase the distance between device a...

Page 71: ...Blower constantly at maxi mum speed Measuring tube not con nected or clogged Check the measuring tube Device leaky Return the device to the service to have it checked Water in the measuring tube Remove the water Therapy pressure not steady Water in the measuring tube Remove the water Device defective Notify the service Measuring tube bent Check for bends ...

Page 72: ... reached The mask has slipped off your face or you failed to put the mask on your face while the automatic mode was turned off and the blower was running You pressed the key during operation There will be a message that you will be wakened at 07 00 o clock There will be 1 min and 18 sec left until the alarm clock will waken you again The wake alarm has been initiated Press the ON OFF key once to i...

Page 73: ...ested to put on the mask and to breathe through the nose After the line voltage has been restored the turbine restarts automatically There has been an error during the system start after switching on the voltage supply Contact your dealer You have taken down the mask or the mask has slipped off your face while the automatic function was activated The turbine will turn off after 4 seconds The PIN y...

Page 74: ...y Messages There has been an error during the system start after switching on the voltage supply Contact your dealer The Clinic Menu has been activated The Patient Menu has been activated Change filter 5 2 1 2 1 ...

Page 75: ...nts In between service intervals you yourself can contribute to increasing the service life and to maintaining proper and reliable functioning 1 Please observe the cleaning instructions from page 33 2 Check the system at regular intervals Proceed according to the following check list Visually check whether the device is damaged and or dirty on its outside weekly check of the alarm function Power F...

Page 76: ...E FOR A DIFFERENT PATIENT If the patient using the device changes the device must be hygienically prepared by a specialized dealer or by the manufacturer The necessary procedure is described in detail in the appropriate hygiene plan ...

Page 77: ...E For information on the proper disposal of the device please contact your responsible customer service PACKAGING You can return the packaging to your marketing part ner or dispose it separately with your normal domes tic waste ...

Page 78: ...5 W 5 W at 12 hPa without humidifier 10 W 12 W at 12 hPa with humidifier level 5 30 W 33 W Short time pressure variance 4 hPa 8 hPa 12 hPa 16 hPa 20 hPa 10 bpm 0 10 0 10 0 10 0 10 0 10 15 bpm 0 17 0 17 0 17 0 17 0 17 20 bpm 0 25 0 25 0 25 0 25 0 25 All values in the table in hPa Values determined with and without AquaTREND uni Long time pressure variance 0 3 hPa Display accuracy pressure 0 5 hPa A...

Page 79: ...y pressure Operating temperature 5 C 40 C Storage temperature 20 C 70 C Rel air humidity operation and storage 15 95 Operating altitude altitude above MSL 400 m 3500 m 1060 hPa 700 hPa Filtration efficiency up to 1 μm 99 5 Air Outlet 22 mm conus acc to ISO 5356 1 CE mark according to EC Directive 93 42 EEC device in compliance with MDD Class IIa Technical specifications are subject to technical mo...

Page 80: ...H O F F R I C H T E R TREND II eng 1009 04 HOFFRICHTER GmbH Mettenheimer Straße 12 14 19061 Schwerin Germany Phone 49 385 39925 0 Fax 49 385 39925 25 E Mail info hoffrichter de www hoffrichter de ...

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