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Yeasn HX-400, User Manual, Page: 3 / 29

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Preface 

Thanks for purchasing and using our pupilometer.   

 Please read this User Manual carefully before using this 

device. We sincerely hope that this User Manual will provide you 

with sufficient information to use the device. 

Our pursuit is to provide people with high-quality, complete-function 

and more personalized devices. Information in promotional materials 

and packing boxes is subject to changes due to performance 

improvement without additional notice. Chongqing Yeasn Science - 

Technology Co., Ltd. reserves the rights to update the devices and 

materials. 

If you have any questions during using, please contact at our service 

hotline: (86-023) 62797666, we will be very happy to help you. 

 

Your satisfaction, our impetus! 

 

Information of manufacturer 

Name: CHONGQING YEASN SCIENCE–TECHNOLOGY CO., LTD 

Address: 5 DANLONG ROAD, NAN’AN DISTRICT, CHONGQING, 

CHINA. 

Tel: 86-23 62797666 

 

 

Summary of Contents for HX-400

Page 1: ...HX 400 Pupilometer User Manual Version 1 4 Revision date 2022 3...

Page 2: ...rio www yeasn com en Manual de usuario Enlace de descarga www yeasn com en Kullan m K lavuzu ndirme linki www yeasn com en Manuale d uso Link per il download www yeasn com en Link zum Herunterladen d...

Page 3: ...ion in promotional materials and packing boxes is subject to changes due to performance improvement without additional notice Chongqing Yeasn Science Technology Co Ltd reserves the rights to update th...

Page 4: ...inspection 12 5 Operational Instructions 12 6 Clean and disinfection of application parts 18 7 Maintenance 18 8 Troubleshooting 19 9 Environmental Conditions and Service Life 20 10 Environmental Prote...

Page 5: ...points of the observer s eyes so as to measure the distance of the pupils Intended use To measure the distance between the pupils of the human eye Medical purpose To measure the distance between the p...

Page 6: ...visible legible and accurate LED lamp house and a design of low power consumption ensure the prolonged service life of batteries PD and VD measurement is available It offers the 2 00D compensation fo...

Page 7: ...the name ear to recogni Manufa Date of Serial nu Country tomatic shut o fter stopping o m L 165 W 4 kg t is expected to version numbe class IPX0 ription indications a plate is not ize please con actur...

Page 8: ...nd Forehead bearer Medical device Expiration date Consult instructions for use Refer to instruction manual booklet Authorized European representative Catalogue number Unique Device Identifier Model nu...

Page 9: ...device near water also be careful not to make any kinds of liquid drop onto the device Do not place the device in damp or dusty places nor place it where humidity and temperature change quickly Do no...

Page 10: ...polarity when changing the battery to prevent battery short circuit Notification Any serious event related to the device to the user and or patient shall be reported to the manufacturer and competent...

Page 11: ...conversion of measured value of pupillary distance at different optic distances of 30cm F3 Left Pupil Measuring Key It is used to measure left pupillary distance Sliding the key to the outer side wil...

Page 12: ...ff time and measurement precision F5 Display Window as shown in Fig 2 It displays the measured numerical value of PD or VD and some other relevant information Fig 2 When reading information on the dis...

Page 13: ...ce and press it again to turn off F10 Right Pupil Measuring Key It is used to measure right pupillary distance Sliding the key to the outer side will make pupillary distance pointer move in opposite d...

Page 14: ...lid parallel to change batteries B2 Electronic Panel B3 Monocular Covering Knob The covering of the testee s right or left eye will be realized by turning the knob B4 Compensating Ocular Key Sliding...

Page 15: ...cting light spot of the testee s pupils C4 Guide Mark Guide Mark is used to target at the top of cornea of the testee during the process of VD measurement 3 4 Viewed from the Observation Window Target...

Page 16: ...which is very easy to operate Please operate it according to the following procedures thus you can get measured data easily and rapidly 5 1 About Battery Before using the device please put 2 pieces of...

Page 17: ...ing LCD window Now you are able to conduct measurement 5 2 2 Device shutdown Press ON OFF key to turn off the device 5 3 Measurement of Binocular Pupillary Distance a Start up The initialized setting...

Page 18: ...ht the tester observes through measuring window Fig 7b The left and right pointers coincide with the reflecting bright dots e In order to measure the pupillary distance at different optic distances pl...

Page 19: ...n Fig 8a and Fig 8b Fig 8a Measuring right pupillary distance Fig 8b Measuring left pupillary distance b The tester observes the reflecting bright dot on the testee s pupil through measuring window Sl...

Page 20: ...b The distance from the top of the cornea to the mounted lens can be obtained by deducting the thickness of the lens from the value digitally displayed at that time Fig 9a Fig 9b 5 6 LED and automatic...

Page 21: ...n save the set values and the device is again into the measuring mode 5 7 Setting of Measurement precision a Under PD or VD measurement mode Slide F3 left pupil measuring key to left end and slide F10...

Page 22: ...bearer are the parts that are in frequent contact with testee which should be cleaned and disinfected promptly Dirt should be cleaned with soft cloth dipped in soluble cleaner or water then wipe the p...

Page 23: ...ion of this equipment is allowed Warning Remove the battery if the product is not likely to be used for some time Statement Manufacturer will provide circuit diagrams component part lists descriptions...

Page 24: ...ortation and storage Environment temperature 10 C 55 C Relative humidity 10 85 no condensation Atmospheric pressure 700hPa 1060hPa Indoor conditions good ventilation and without corrosive gas 9 3 Serv...

Page 25: ...he environment and human health due to the presence of hazardous substances The unlawful disposal of the product carries a fine according to the legislation currently in force 11 Manufacturer s Respon...

Page 26: ...Guidance and manufacture s declaration electromagnetic emission The HX 400 is intended for use in the electromagnetic environment specified below The customer or the user of the HX 400 should assure t...

Page 27: ...kV contac 2 kV 4 k kV 15 kV a r s Not applicab Not applicab 0 0 Not applicab 30 A m r to application of t ctromagnetic imm nvironment specif used in such an en level Elect environm ct kV 8 air Floors...

Page 28: ...tters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following...

Page 29: ...0 MHz 745 MHz 780 MHz Pulse Modulation 217Hz 0 2 W 9V m 9 V m 810 MHz 870 MHz 930 MHz Pulse Modulation 18Hz 2 W 28 V m 28 V m 1720 MHz 1845 MHz 1970 MHz Pulse Modulation 217Hz 2 W 28 V m 28 V m 2450 M...

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