Instruction ManualforFORMALDEHYDE GAS DETECTORMODEL FP-30/FP-40This instrument is sold and serviced by RKI Instruments, Union City, CAFor questions, p

92 ABOUT THE DETECTION TABThe Gas Detection Tablet is a unique detection method developed by our company. The tablet contains apaper impregnated with

10For each gas test, be sure to use new detection TAB. TABS are intended for one time use only, andshould not be opened until immediately before you

113 SELF DIAGNOSIS FUNCTIONA Self-diagnosis function is provided with this instrument.Each self-diagnosis mode has a unique alarm, display, and buz

124 MAINTENANCE4.1 Battery ReplacementWhen replacing batteries, replace all 4 batteries at the same time.• Turn power off.• Remove the carrying cas

135 TROUBLE SHOOTINGThis trouble-shooting guide cannot cover all possible malfunctions. The most likely problems andcauses are listed below.Sympto

146 SPECIFICATIONS6.1 SpecificationsModel______ FP-30, FP-40Detection principle Photoelectric photometry methodDisplay method Digital display by LC

156.4 7 DETECTION PRINCIPLEThe Gas detection TAB test paper is treated with special chemicals and an illuminating agent.When gas is blown onto the

1Table of Contents1.1 Start-up Operation 21.2 Installation of the Detection TAB 31.3 Detection Method 4 1.4 High Density Gas Detection 4

21 OPERATION1.1 Start-Up OperationPress ON/OFF switch for 2 seconds to turn instrument on and start warm-up and self-diagnosis.The program and instrum

31.2 Installation of Detection TabThe detection TAB comes packaged in a sealed foil wrapper. Remove it from the wrapper. The detectionsurface of the T

41.3 Detection MethodGas detection• Detection waiting conditionThe instrument waits in this mode until the detection TAB is installed.• Installation

5• Do not remove tab during detection.If TAB is removed during detection, the detection is interrupted, and thatcycle cannot be restarted with a new

61.4 High Density Gas DetectionIf high-density gas is detected, the instrument and any sample hose must be flushed out with fresh airbefore installing

71.5.2 Deleting the Memory of Stored Detection ResultsTo delete the memory:While in the data display screen described above in 1.5.1, press the START

8Preliminary sample drawing methodWith detection TAB removed, press START switch.Preliminary sample drawing is made for about 5 sec to flush out th