Rki-instruments GX-86A Manual do Utilizador

INSTRUCTION MANUALMODEL GX-86APORTABLE FOUR GAS DETECTORRKI Instruments, Inc.33248 Central Ave, Union City, CA 94587 • Tel: 510-441-5656

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 9OPERATIONPreparationNormally the GX-86A requires little preparation before use. To install

Model GX-86A Instruction ManualPage 10 Hayward, California (510) 441-5656c.This message shows to verify that the data logger circuits are set properly

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 11audible alarm will sound, the ALARM LED will blink, and the HC will flash on the display.

Model GX-86A Instruction ManualPage 12 Hayward, California (510) 441-5656CautionDo not use gas from a cigarette lighter to test response tocombustible

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 13DISPLAY FUNCTIONSWhile the GX-86A is in normal operation, press the DISPLAY/(ADJ.) switch

Model GX-86A Instruction ManualPage 14 Hayward, California (510) 441-5656until a higher level is detected, the data logger is cleared, or the unit is

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 15Time-Weighted Average (TWA)The TWA function shows the average reading for toxic gases duri

Model GX-86A Instruction ManualPage 16 Hayward, California (510) 441-5656Clear Data LoggerThe Clear Data Logger function allows the user to reset the

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 17ALARMSAlarm Indications1. Combustibles (%LEL)If the combustible gas detected exceeds the fi

Model GX-86A Instruction ManualPage 18 Hayward, California (510) 441-56565. STEL (toxics only)If the average toxic gas level detected over the last 15

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 1INTRODUCTIONThe RKI Model GX-86A is an advanced gas detection instrument, incorporating pro

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 191. Sensor failureIf any sensor fails during operation, the display will show the failed se

Model GX-86A Instruction ManualPage 20 Hayward, California (510) 441-5656CALIBRATION AND MAINTENANCEThe GX-86A’s microprocessor circuits provide advan

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 213. Demand ZeroPress and hold the AIR/▲ switch on the control panel until a tone sounds. Fo

Model GX-86A Instruction ManualPage 22 Hayward, California (510) 441-56562. Enter calibration modeWith the instrument on, press and hold the (SHIFT)/▼

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 23Cylinder.To change the calibration values, press the (SHIFT)/▼ and DISPLAY/(ADJ.). The fol

Model GX-86A Instruction ManualPage 24 Hayward, California (510) 441-5656END screen will appear:d.After the end screen, the display automatically retu

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 25reading stabilizes:3. If the reading does not correspond to the sample, press the AIR/▲ sw

Model GX-86A Instruction ManualPage 26 Hayward, California (510) 441-5656near the level of the low concentration sample. Adjust the reading using the

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 27H2S and CO Span1. Connect a H2S or CO calibration cylinder to the adapter.2. From the cali

Model GX-86A Instruction ManualPage 28 Hayward, California (510) 441-5656MAINTENANCEBatteries1. Check the battery voltage periodically by pressing the

Model GX-86A Instruction ManualPage 2 Hayward, California (510) 441-5656DESCRIPTIONThe RKI Model GX-86A detects combustible gas (LEL), oxygen deficienc

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 29NoteIf the batteries are fully discharged before replacement,allow 1/2 hour for the toxics

Model GX-86A Instruction ManualPage 30 Hayward, California (510) 441-5656the start-up sequence and after the Demand Zero command.3. The O2 reading ten

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 31CO sensor with filter; do not use the filter with other other sensors.5. Insert a new sensor

Model GX-86A Instruction ManualPage 32 Hayward, California (510) 441-5656ACCESSORIESExtender CableThe Extender Cable extends the sensor block up to 10

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 336. Plug the sensor block into the end of the Extender Cable. Close the spring clips.7. Sli

Model GX-86A Instruction ManualPage 34 Hayward, California (510) 441-5656USER OPTIONSThe advanced microprocessor program in the GX-86A allows the user

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 35SET DEF. NVRAM1. “DEF. SET ALL”The first option allows the user to reset all values for non

Model GX-86A Instruction ManualPage 36 Hayward, California (510) 441-56563. “SET ALARM <H2S>”Prompts changes for LOW, TWA, STL, and CLG (ceiling

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 37SET INT. TIMESets the interval between logging events for the Data Logger. Minimum value 1

Model GX-86A Instruction ManualPage 38 Hayward, California (510) 441-5656SET LOG ALARMSets the value of Data Logger memory capacity alerts on the GX-8

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 3 Control PanelBattery CoverRemote Alarm/Charger JackJackSensorCoverInternalBuzzerInterfaceP

Model GX-86A Instruction ManualPage 4 Hayward, California (510) 441-5656COMPONENTS AND CONTROLSCaseThe GX-86A has a durable plastic case. The sensors

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 52. AIR/▲The AIR/▲ switch activates the GX-86A’s Demand Zero function, which automatically a

Model GX-86A Instruction ManualPage 6 Hayward, California (510) 441-5656analysis programs.Buzzers and EarphoneAn electronic buzzer is mounted at the b

Model GX-86A Instruction ManualRKI Instruments, Inc. Page 7atmosphere to diffuse inward. See Figure 3.Combustible Gas SensorThe LEL sensor detects com

Model GX-86A Instruction ManualPage 8 Hayward, California (510) 441-5656atmosphere, producing a current proportional to the concentration of gas. The