RKI Instruments RIKEN RX-516 User Manual

PT0E‑0730
 31
９．Definitionofwords

Vol%
 Gasdensityisexpressedbytheunitofapart.

ppm
 Gasdensityisexpressedbytheunitofapartper.
10,000ppm＝1vol%

%LEL
 SupposetoputtheLowerExplosiveLimitas100andatthattime,combustiblegasdensity
isexpressedbytheunitofapartperhundred.
Iso‑butane：100%LEL＝1.8vol%
N‑hexane：100%LEL＝1.2vol%

Calibration
Byuseofcalibrationgasetc,itistoadjustthereading,displayvalueorsetvalueto
thetruevalued.

PEAKvalue
 MAXorMINvalueinaperiod.

ALARMpresetvalue
Thisisanalarmpresetpointvaluetogivealarmwhenitcomestothisalarmpoint.

Maintenancecheck
 Thisisaworktomaintaintherequiredfunctionandconditiontoperform.

Datalogging
 Everyinternalofperiod,thefunctiontosavememoryofgasdensityatalarmisprovided.

Hung‑upphenomenon
 Aftersuckthehighdensitygasandintroducefreshairintoinstrument,thephenomenonto
showhigherreadingbyeffectofresidualgasforawhile.

Oxygendeficiency
 Accordingtothedecreaseofoxygen,itisaphenomenontomaketroubleforhumans.
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RKI Instruments RIKEN RX-516 Specifications

General

Brand	RKI Instruments
Model	RIKEN RX-516
Category	Gas Detectors
Language	English