User Manual
Contents
1. UWE Un a NT y NS Sr _ MANUAL AN Read and be familiar with this manual before operating or servicing this device To ensure operator technician and patient safety use only as specified in this manual CAUTION Product Manufacturer Medical Technology Transfer and Services Co Ltd No 26 Lane 41 An Duong Vuong Tay Ho Hanoi Phone 84 43 766 6521 Fax 84 43 766 3844 Web www mtts asia com The information in this manual is subject to change without notice No part of this manual may be photocopied reproduced translated or reduced to any electronic medium without the express written permission of Medical Technology Transfer and Services Ltd All trade names and trademarks mentioned herein are property of their respective owners Copyright 2011 Medical Technology Transfer and Services Ltd All rights reserved LM MAN 01 V1 00 LM MAN 01 V1 00 Contents OVENI ee ee ee see seele een 4 COVER A A o e 4 SU DO AP a o Boro A 4 o In beannauubnec secesaad saumenadictenbaacectornenaceseaees 5 BS DUO ee ee ee ee ee ee 5 Mesure IE CHOICE rta 6 CRIT SHOT IVE ASUS E ou o A e PA ezezwnwa 6 Instrument Response Characteristics elit 6 BODEN PP In avecens 7 Taking Measurement ee ei AE AEE 8 ISS ee nn E On een 9 A 10 Maintenance and Service ccccccccccccccccccensneeeesssssssseeeeeeeeeeeeeeeeseeaeeeessesseseeeeeeeeeeeeeeeeseaaaaeeeessssssseseeeeeeeeeeesaaaaagggagss2. Technology NIST The calibration certificate is enclosed with this manual To assure continued accurate measurement of irradiance the Bili Meter should be recalibrated every 36 months to a radiometric irradiance standard Because certain calibration factors are stored in the Bili Meter memory the Bili Meter must be recalibrated at MTTS The date of the last calibration is labeled on the box Both the readout and sensor should be returned for calibration Bili Meters under warranty are recalibrated at no cost Others are recalibrated at nominal cost For information on returning the Bili Meter see below Service and Repair The Bili Light Meter has no customer serviceable parts and must be returned to MTTS for all repairs and parts replacement After any service the Bili Light Meter must be recalibrated radiometrically to assure accurate measurement of irradiance Customer attempts to service the Bili Meter will invalidate the warranty and may result in irreparable damage CAUTION Returning for Service When sending equipment for service Contact MTTS Technical Service for a Return Merchandise Authorization RMA number and the location where the equipment should be sent Clean the device securely package it and include the RMA number on the outside of the box In the Asia ship the equipment to Medical Technology Transfer and Services MTTS Ltd No 26 Lane 41 An Duong Vuong Tay Ho Hanoi Contacting MTTS To obtai
3. of the Bili Light Meter 40 30 20 10 390 400 410 420 430 440 450 460 470 480 490 wavelength nm LM MAN 01 V1 00 Operation N Explosion hazard Do not use this device in the presence of flammables e g oxygen WARNING nitrous oxide anesthetics y Read and be familiar with this instruction manual before using this device Only use this device under the direct supervision of a licensed medical c AUTION practitioner Inspect this device before each use to ensure proper functioning Ya The hospital facility is responsible for ensuring that all personnel who operate or maintain this device are trained in its operation and safe use and for maintaining NOTE training records of attendance and evidence of understanding LM MAN 01 V1 00 Taking Measurements Overhead phototherapy 1 Turn Bili Light Meter on ON OFF button is the touch type Place the finger on the touch panel NOTE do not press hard 2 Hold Bili Light Meter against the infant s body as near to the umbilical as possible and aim Bili Light Meter at the center of the phototherapy light see Figure 4 z For reproducible measurements always hold the sensor on the same place on the infant s body a Changes in the distance or angle of the light to the patient will change the irradiance the patient receives requiring new measurements to be taken Figure 4 Measuring o
4. how on the display of the readout LOW BAT Battery power is low replace the battery see page 10 LM MAN 01 V1 00 Cleaning Required items n Soft cloth a Mild cleaning detergent or mild soap and water solution To clean the Bili Light Meter 1 Confirm that the Bili Light Meter is off If it is on press POWER to turn it off 2 Dampen the cloth with either the mild soap and water solution or detergent then wipe down all exterior surfaces of the Bili Light Meter Maintenance and Service Only qualified technicians should maintain or service this device Read and be familiar with this instruction manual before using this device CAUTION The printed circuit boards PCBs contain static sensitive parts Always use appropriate electrostatic discharge protection such as an electrical grounding wrist strap when working with internal components Replacing the Batteries Required items m 2 AA LR6 1 5V alkaline non rechargeable batteries To replace the battery 1 Remove the back cover An instruction label on the inside of the back cover illustrates how to remove and NOTE _ insert the battery Figure 6 Replacing batteries Batteries cover Batteries holder Insert the new 1 5 volt batteries into the battery holder see Figure 6 LM MAN 01 V1 00 Calibrating the Bili Meter The Bili Meter was factory calibrated to a radiometric standard in accordance to the National Institute of Standards and
5. n service support or order additional products contact Medical Technology Transfer and Services MTTS Ltd Customer Service Department Phone 84 43 766 6521 Fax 84 43 766 3844 Email assistance mtts asia com LM MAN 01 V1 00 Specifications Clinical Wavelength spectrum 440 465 nm Measuring range 0 0 150 0 uW cm2 nm Accuracy 2 Display Characteristics Liquid crystal display LCD Features 4 digits indicator automatic off after 1 min Indicators low batte Environmental Temperature 10 C to 40 C Ratings 20 C to 45 C Atmospheric pressure 600 1 300 hPA 300 1 500 hPA Humidity 10 95 Relative Humidity rH 5 95 Relative Humidity rH Altitude Up to 3 000 m n a Durability Splash proof IP 54 Dust proof IP 54 1m onto hard surface meets or exceeds IEC 68 2 32 Service Calibration Every 2 years from the delivery date return to MTTS for calibration Parts return to MTTS for service serviceable parts Miscellaneous Standards FDA Class 1 Health Canada Class 2 Electrical Safety UL 61010 B 1 Ordinary Equipment IPX Indoor Use Only Electromagnetic Compatibility IEC 61326 Dimensions 125cmx7 0cmx 2 4cm Environmental Safety Pollution Degree 2 Weight 225g Batteries 2 x 1 5V alkaline battery non rechargeable Operational Duration Up to 120h Ordering Information Item Order Number Light meter BLM 1000 Main unit Light meter Firefly 1020 Accessory to Firefly Phototherap
6. nd bili beds Description The MTTS Bili Light Meter is single measurement unit suitable for overhead and bed type phototherapy It has 2 sensors loc on both sides of the meter Figure 1 MTTS Bili Light Meter front Sensor Display ON OFF button a ON OFF button is the touch type Place the finger on the touch panel NOTE do not press hard Figure 2 MTTS Bili Light Meter back Sensor Batteries LM MAN 01 V1 00 percent transmission Measuring Irradiance The Bili Meter is a spectroradiometer that measures the therapeutic irradiance radiant power of neonatal phototherapy lights It measures the irradiance of the wavelengths from 440 to 465 nanometers nm the blue green portion of the spectrum which includes the principal action spectrum of bilirubin Units of Measurement The Bili Meter measures irradiance in units of microwatts per square centimeter per nanometer uW cm nm A nanometer is a measure of wavelength equal to one billionth of a centimeter The term per nanometer indicates the average irradiance per nanometer across the spectral band being measured which is 50 nm wide This makes it possible to compare average irradiance across spectral bands of different widths Instrument Response Characteristics Figure 3 represents the nominal response characteristics of the Bili Meter which matches the action spectrum of bilirubin as closely as possible Figure 3 Nominal response
7. ssss 10 REBISEINE NE Baterias wee ie emer ene rt eS E ere ee eee eee 10 Callbratine tre BIRME ee ee ee 11 SELV CE ANREDE ee eek 11 Returning TOR SCI rd isa 11 Contactune NITES asii 11 SC CICA ONS aaa 12 Overview This manual provides the necessary information to maintain and service the MTTS Bili Light Meter The operating instructions in this manual are intended for use under the direct supervision of a licensed medical practitioner The service instructions in this manual are intended for use by qualified technicians Conventions The following conventions are used in this manual Table 1 Conventions Notes provide additional information to clarify a point in the text N Cautions indicate situations that if not avoided could result in minor to CAUTION moderate injury to the patient or operator or damage to the equipment Warnings indicate situations that if not avoided could result in serious injury WARNING or death to the patient or operator This character style represents buttons and controls that the user can touch or press Symbols The following symbols are located on the Bili Light Meter and its packaging Table 2 Symbols EA Atmospheric pressure Shipping o 7 gt o Humidity condensing he ee a 2 LM MAN 01 V1 00 Intended Use The MTTS Bili Light Meter Model V6 is a spectroradiometer for measuring the irradiance radiant power of neonatal phototherapy lights a
8. verhead light Phototherapy light Sensor aimed for maximum reading cA 3 Read irradiance measurement from the display Adjust the aim of the Bili Light Meter sensor to obtain the maximum reading 4 Press on off button to turn Bili Light Meter off Bili Light Meter automatically shuts off after 1 minute to preserve battery life If more than one phototherapy light is being used on the infant take separate NOTE measurements for each light and chart each reading LM MAN 01 V1 00 Bili Bed phototherapy 1 Turn Bili Light Meter on TS ON OFF button is the touch type Place the finger on the touch panel NOTE do not press hard 2 Place Bili Light Meter in the middle of the lighted side of the pad or mattress see Figure 8 Any disposable covers should be on the pad or mattress Figure 5 Measuring Bili Bed light MTTS light meter Phototherapy bed lighted side up 3 Read irradiance measurement from the display Adjust the aim of the Bili Light Meter sensor to obtain the maximum reading 4 Take two additional readings at different places on the pad then average all three readings 5 Press on off button to turn Bili Light Meter off Bili Light Meter automatically shuts off after 1 minute to preserve battery life If a Bili Bed is being used at the same time as an overhead phototherapy light Bili E Light Meter displays combined value of both units CAUTION Messages The following message may s
9. y Light meter PT3 1030 Accessory to V3000 Phototherapy LM MAN 01 V1 00 YMTTS Medical Technology Transfer and Services Calibration Certificate This device has been calibrated to radiometric standards in accordance to the National Institute of Standards and Technology NIST Ya Radiometric calibration of this device can be only performed at a laboratory with appropriate lamp standards Return the device to the factory or an authorized service NOTE center every 36 months for recalibration Device Light Meter Model V7 00 Serial Number Calibration Details Calibration Date Recalibration Recommended Calibration Technician LM MAN 01 V1 00
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