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PT0E-0136

Portable Infrared CO

2

Gas Monitor

RI-85

Operating Manual

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Summary of Contents for RI-85

Page 1: ...PT0E 0136 Portable Infrared CO2 Gas Monitor RI 85 Operating Manual...

Page 2: ...ead this instruction manual and understand it before the actual use Following marks appear on this manual to perform safe and effective use DANGER This message indicates that improper handling may cau...

Page 3: ...m Self diagnosis 14 Maintenance Replacing battery 15 Zero calibration 15 18 Span calibration 19 20 Replacing absorbent cotton 21 Daily maintenance Regular maintenance 22 Replacing parts 22 Storage Tre...

Page 4: ...ch parts Gas outlet Gas inlet Alarm lamp Gas name plate Window of photo sensor Display switch switch switch switch switch Battery cover External output jack Carrying case Gas sampling hose spiral Gas...

Page 5: ...h Switch for power and to enter the input content switch Switch for zero adjustment and to increase input value switch To start for measuring average value and to decrease input value switch To indica...

Page 6: ...age on the gas sampling hose spiral Make sure the connector fixed firmly Preparation 1 Install dry batteries Refer to 4 1 2 Put in the instrument to the carrying case 3 Connect gas sampling hose spira...

Page 7: ...starts gas detection through following procedure battery voltage check tube absorbent cotton check and sensor connection check The starting flow is as follows Press switch for 3 seconds Indicate meas...

Page 8: ...tection starting the display indicates detected current CO2 concentration value Though it indicates some hundreds ppm value it is not trouble breakdown but the normal CO2 concentration in the atmosphe...

Page 9: ...at all as the exhaust gas may be oxygen deficiency or toxic gas In such case exhaust the gas to the place where can be safe Do not let water or oil sucked into the instrument If it should be sucked t...

Page 10: ...e value measuring the previous data is kept In case of over 10 000ppm Indicates the all data is measured 10 050ppm Gas concentration indication Press switch Blinking measuring time By switches measuri...

Page 11: ...d automatically from time to time after power turning on and starting measuring Peak value can be shown by pressing switch After measuring average value the previous data of peak value is cleared 4 Sh...

Page 12: ...Peak value is renewed from time to time once return to the measuring mode And after the measuring average value the memorized data of peak value before is cleared 6 Showing battery voltage sample and...

Page 13: ...n Press switch Alarm set value indication Keep pressing switch Press switch for 5 seconds Figures blinking By switches alarm set value can be selectable Figures blinking Press switch alarm set value s...

Page 14: ...ction failure OFF Continuous FAIL SENSOR Pump connection failure OFF Continuous FAIL PUMP System error OFF No buzzer SYSTEM ERROR D u r i n g m e a s u r i n g Gas alarm ON Continuous Indicates curren...

Page 15: ...t indicate this error message Correct zero calibration should be done 4 Span calibration failure In case of not drawing calibration gas correctly and sucking water etc it might indicate this error mes...

Page 16: ...s easy to remove the battery from positive side install the battery from negative side 5 After replacing battery be as before Zero calibration In order to keep the quality of this instrument zero cali...

Page 17: ...ration indication Press switch for 3 seconds Connect absorption tube Connect absorption tube or gas sampling bag filled with zero gas to gas inlet Connect to gas inlet correctly Press switch if OK Sta...

Page 18: ...should be filled with absorbent agent in advance When filling absorbent agent to the tube fill up closely and fix them by absorbent cotton Remove the cap of absorption tube when use Attach the cap wi...

Page 19: ...imes for 1 minute sample drawing time In case that CO2 concentration in the atmosphere can not be known replace with new one earlier than followings CO2 concentration in the atmosphere Expected number...

Page 20: ...ube with absorbent agent In order to make span calibration more accurately it is better to use zero gas 3 Span calibration Secondly make span calibration Introduce span gas to gas sampling bag make sp...

Page 21: ...to specified gas concentration of calibration gas by switches Span calibrating Span calibration failure Span calibration complete correctly Span calibration end Gas concentration indication current va...

Page 22: ...of absorbent cotton might become cause of breakdown because of sucking dust in the air Too much absorbent cotton might become cause of lower pump suction rate It makes response later and correct meas...

Page 23: ...recommended Ask RIKEN KEIKI or representative Replacing parts Following parts have each lifetime Replace them with new one regularly Absorbent cotton Any time if it is dirty Pump Approx 1 year Dependi...

Page 24: ...23 Any harmful material is not used for the instrument When disposing the instrument treat it as general unburnable waist Disposing the instrument...

Page 25: ...ew one Display FAIL PUMP By giving an excessive shock impulse to the instrument such as dropping throwing etc and by using for a long time period such message may be displayed Carry out the daily chec...

Page 26: ...not splashed with water It might be a cause of breakdown as the instrument body is not the water proof structure Do not use transceivers close to the instrument If it received an electric noise the in...

Page 27: ...onse time Within 15 seconds to 90 response 90 from gas inlet Sampling method Sample drawing with internal pump External output signal Option linear output Load resistance Minimum 500k The plug for ext...

Page 28: ...ase Gas sampling hose spiral Gas sampling probe with absorbent cotton Absorption tube AA size dry battery Instruction manual Optional accessories Gas sampling bag Absorbent agent for absorption tube P...

Page 29: ...en measuring gas is supplied into the measuring cell and will decrease according to its concentration The variable amount of infrared is measured by the infrared sensor and it is displayed as gas conc...

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