Teledyne TED 191 Instruction Manual Download Page 7 | Manualshive

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Teledyne TED 191 Instruction Manual Download Page 7

7

TELEDYNE ELECTRONIC TECHNOLOGIES

Analytical Instruments

D

ESCRIPTION OF

F

UNCTIONAL

Z

ONES

R

EAR

P

ANEL

Battery Drawer

The Battery Drawer contains 4 x AA (Penlight) batteries
required to power the instrument.

Sensor Cable Connector Plug

The Oxygen Sensor Connector Cable is plugged into this
“one way” socket.

Battery Drawer

Sensor Cable Connector Plug

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Summary of Contents for TED 191

Page 1: ... OXYGEN MONITOR INSTRUCTION MANUAL TYPE B EQUIPMENT Equipment providing a particular degree of protec tion against electric shock particularly regarding allowable LEAKAGE CURRENT Reliability of the protective earth connection if present P N TM0021 04 03 00 ECO 00 0086 ...

Page 2: ...87 TDYANLY COID or your local representative WARRANTY STATEMENT The electronic control and display components of the TED 191 Portable Oxygen Monitor are warranted against defective workmanship and materials for 24 months from date of shipment from Teledyne The class T 7 Micro Fuel Cell is warranted for one year from the date of shipment from Teledyne The liability of Teledyne if any shall be limit...

Page 3: ...NSTALL THE SENSOR 10 1 4 CALIBRATE THE INSTRUMENT 11 1 5 NORMAL OPERATION 12 1 6 SET THE ALARMS 13 2 ANAESTHETIC AGENTS 14 3 CLEANING 15 4 DO S AND DON T S 16 5 ROUTINE MAINTENANCE 17 6 TROUBLESHOOTING 18 7 TECHNICAL SPECIFICATIONS 20 8 EFFECT OF PRESSURE 22 9 EFFECT OF HUMIDITY 23 10 EFFECT OF TEMPERATURE 24 11 DISCREPANCY IN READING 25 12 REPAIR SERVICE 26 SENSOR CELL REPLACEMENT LOG 27 TECHNICA...

Page 4: ...concentrations of up to 100 oxygen in medical gas mixtures The TED 191 Portable Oxygen Monitor is designed and manufactured in accordance with strict performance and quality protocols and subject to ISO 9002 Quality System protocols When used correctly this instrument will provide you with many years of trouble free service The TED 191 Portable Oxygen Monitor is a compact self contained unit which...

Page 5: ...rument be used only as a secondary measuring device to verify the concentration of oxygen in gas mixtures prepared using a gas blender or similar apparatus The use of this monitor as a primary or only means of preparing gas mixtures is not advised The monitor is capable of verifying oxygen concentrations in gas mixtures used in Anesthesia Neonatal Intensive care Adult Intensive care Respiratory Ox...

Page 6: ...in this manual and also Instructions in abbreviated form can be found on the top of the monitor casing High Alarm Setting Allows the operator to define a high alarm threshold limit Range 18 to 102 if the actual measured value as displayed on the LCD exceeds this set threshold an audible and visual alarm condition will be invoked Low alarm setting Knob Allows the operator to define a low alarm thre...

Page 7: ...F FUNCTIONAL ZONES REAR PANEL Battery Drawer The Battery Drawer contains 4 x AA Penlight batteries required to power the instrument Sensor Cable Connector Plug The Oxygen Sensor Connector Cable is plugged into this one way socket Battery Drawer Sensor Cable Connector Plug ...

Page 8: ...Notify the Shipper and consult Teledyne Electronic Technologies Analytical Instruments 1 1 SET UP To set up your TED 191 Portable Oxygen Monitor 1 1 1 Install the Batteries See 1 2 below for procedure 1 1 2 Install the Sensor See 1 3 below for procedure 1 1 3 Calibrate the Instrument See 1 4 below for procedure 1 1 4 Normal Operation See 1 5 below for procedure 1 1 5 Set the Alarms See 1 6 below f...

Page 9: ... action can be somewhat stiff and difficult to execute Care should be taken not to damage either the drawer or the casing of the monitor when executing this procedure Fresh batteries must be inserted into the four battery recepticles located within the battery drawer assembly Care should be taken to ensure that the correct battery polarity is maintained Caution Improper installation of the batteri...

Page 10: ...ergency First Aid procedures as set out in the Material Safety Data Sheet for the sensor Do not attempt to open or repair the sensor Leaking or exhausted sensors should be disposed of in accordance with local regulations Consult the Material safety Data Sheet supplied with the sensor Plug one end of the coiled cable into the telephone jack receptacle on the end of the sensor The jack will only fit...

Page 11: ...ntrol Knob back into its locked position Turn off oxygen supply and place sensor in ambient air Remove the flow diverter from the Sensor if one was used during the calibration process Observe that the displayed value falls to 21 2 Calibration has been successful In the event that the displayed value does not reflect 21 2 initiate a re calibration following the steps outlined above In the event tha...

Page 12: ...ter which must be located in line Note Check the breathing circuit for leaks Ensure that the circuit downstream of the sensor does not produce any back pressure or restrictions of the gas flow or errors in the readings will result When using the instrument in a static environment such as in an incubator the flow diverter should be removed so that it does not interfere with the rapid exchange of ga...

Page 13: ...from this set window will trigger the alarm The graph alarm is accurate at 100 and within 8 at 21 and the low alarm is most accurate at 21 and within 8 at 100 This is depicted in the graph below The instrument will alarm at any oxygen concentration below 18 In the event of a violation of the pre set alarm limits the instrument will provide both an audible and a visual alarm signal Under these cond...

Page 14: ... 80 balance O2 0 Carbon Dioxide 10 balance O2 0 Halothane 4 1 5 O2 Enflurane 5 1 5 O2 Isoflurane 5 1 5 O2 Sevoflurane 5 1 5 O2 Desflurane 15 1 5 O2 Errors are approximate and may vary based on exposure times and concentrations These performances meet or exceed the requirements of ISO 7767 1997 E Caution The TED 191 Portable Oxygen Monitor should not be used in the presence of flammable anaesthetic...

Page 15: ...pe over the instrument which should be allowed to air dry afterwards In extreme cases the monitor casing may be cleaned using a mild detergent Note The Accurox Oxygen monitor cannot be liquid sterilised or autoclaved irreparable damage may result 3 2 STERILISING THE T 7 OXYGEN SENSOR AND CONNECTING CABLE The T 7 oxygen sensors and connecting cables used on the instrument may be gas sterilised usin...

Page 16: ...y Remove and carefully store the flow diverter when using the instrument in static environments such as incubators oxygen hoods etc Perform an alarm functionality test prior to each use Remove batteries if the instrument is not to be used for a month plus DON TS Use the Accurox Oxygen Monitor if you suspect any malfunction Use the monitor in the presence of flammable anaesthetics Autoclave the ins...

Page 17: ...p when switched on In both instances the batteries must be replaced To change the batteries follow the procedures set out in 1 2 above Initiate a calibration once the new batteries are installed prior to using the instrument 5 3 CHANGING THE OXYGEN SENSOR CELL From time to time the oxygen sensor cell being a consumptive electro chemical device will require replacement This requirement will be indi...

Page 18: ...attempt a re calibration 8 Check sensor cell for damage or electrolyte leaks 9 Return monitor to authorized service agent for repair Constant non mutable alarm condition 1 Check high and low alarm settings for possible crossed settings i e high threshold value is set lower than low threshold value Drift is displayed readings whilst calibrating or immediately thereafter 1 Do not hold the sensor whi...

Page 19: ...rane 2 Check for a source of RFI emission Relocate the instrument 3 Check that the calibration control knob is properly locked in position Instrument reads 00 1 The sensor is not plugged in 2 There is bad sensor cable or cable monitor connection Displayed value drifts by 2 3 over 3 4 hours 1 Replace sensor cable 2 Replace cable Alarm continuously activates when displayed value is less than 18 1 Th...

Page 20: ...ION Approximately 900 hours of continuous non alarming operation Low battery status indication is provided Replace batteries within 48 hours of low battery indication ALARMS High oxygen concentration 18 to 102 Low oxygen concentration 18 to 100 Low battery visual alarm only Most alarm conditions are signalled audibly and visually with a 60 second audible alarm mute facility provided MEASUREMENT RA...

Page 21: ...le by the manufacturer No parts other than the sensor cell and dry cell batteries deteriorate during normal use STORAGE AND TRANSPORT Can be stored and transported between 30 C and 50 C Can be stored and transported at up to 75 relative humidity non condensing GENERAL Operation of instrument is unaffected by Humidity water vapour saturated gas Pressure up to 100cm H2O Nitrous oxide N2O Halothane E...

Page 22: ...to a ventilator circuit the alternating breathing pressure cycles generated by the ventilator will be sensed as an increase in the oxygen percentage especially if the sensor is fast enough to sense the changes In reality the percentage of oxygen is not changing it is the total pressure that is increasing producing a corresponding increase in the partial pressure of oxygen A hundred centimeter wate...

Page 23: ...resulting gas mixture will contain only 77 5 oxygen Your TED 191 Portable Oxygen Monitor accurately measures decreases in the oxygen concentration due to the dilution effects of moisture added to gas mixtures As with all oxygen sensors excessive condensation on the sensing surface will block the diffusion of oxygen to the sensor rendering it inoperative It is recommended that the sensor be install...

Page 24: ...as mixtures flowing over the front of the sensor be at room temperature Reading errors may occur if hot gases from a heated humidifier are directed past a sensor teed into a breathing circuit A small thermal tracking error may be encountered in applications where the entire sensor assembly is placed in the gas mixture to be analysed e g incubators No adjustments should be made during this period a...

Page 25: ...rt system but should only be used as an indication that the primary device may require service and or calibration The LO BAT message immediately tells you if the batteries need replacing The TED 191 should momentarily be removed from the application area and the batteries replaced If the TED 191 can be calibrated the unit can be assumed to be in good working order and capable of providing readings...

Page 26: ...return instructions Do not ship your monitor without first obtaining authorisation Include a copy of the sales invoice or other proof of purchase date Warranty service may be denied if no proof of purchase is included It is your responsibility to pay shipping charges to Teledyne Analytical Instruments If the unit is under warranty the serviced or replaced monitor will be returned to you postage pr...

Page 27: ...27 TELEDYNE ELECTRONIC TECHNOLOGIES Analytical Instruments SENSOR CELL REPLACEMENT LOG DATE WARRANTY SERIAL NUMBER REMARKS N A MANUFACTURED ...

Page 28: ...28 TELEDYNE ELECTRONIC TECHNOLOGIES Analytical Instruments TECHNICAL SERVICE LOG DATE WARRANTY DETAILS REMARKS ...

Page 29: ...29 TELEDYNE ELECTRONIC TECHNOLOGIES Analytical Instruments GENERAL NOTES ...

Page 30: ...r paediatric circuits 15mm A274 Tee adapter autoclaveable A283 Tee adapter metal A minimum charge of US 20 00 is applicable to spare parts orders Important Orders for spare parts should include the model number serial number and range of the analyzer for which the parts are intended Orders should be sent to Teledyne Electronic Technologies Analytical Instruments 16830 Chestnut Street City of Indus...

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