Riken Keiki GD-3EC, Техническое руководство

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1. Product Overview 1-2 Intended use and features
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1-2-2 Detection principles and detection target gases for individual models
The product is available in the following models, depending on the specific detection method and detection
principle.
Check the specifications before use to confirm that correct gases will be detected in accordance with the
intended purpose.
<List of detection target gases by model>
Main unit
model
Detection
method
Detection principle
Detection target gas
Remarks
Combus-
tible gas
Toxic
gas
Oxygen
SD-3RI
Diffusion
Non-dispersive infrared
absorption type
(infrared type)
〇 〇
SD-3NC New ceramic type
〇
SD-3GH Semiconductor type
〇 〇
SD-3GHS Semiconductor type
〇
CS
2
(carbon disulfide) only
SD-3SP
Hot-wire semiconductor
type
〇 〇
SD-3EC Electrochemical type 〇 〇
SD-3ECS Electrochemical type
〇
H
2
S (hydrogen sulfide)
only
SD-3ECB Electrochemical type
〇
With EC barrier*
SD-3DRI
Suction
Non-dispersive infrared
absorption type
(infrared type)
〇 〇
SD-3DNC New ceramic type
〇
SD-3DGH Semiconductor type 〇 〇
SD-3DGHS Semiconductor type
〇
CS
2
(carbon disulfide) only
SD-3DSP
Hot-wire semiconductor
type
〇 〇
SD-3DEC Electrochemical type 〇 〇
SD-3DECS Electrochemical type 〇
H
2
S (hydrogen sulfide)
only
SD-3DECB Electrochemical type
〇
With EC barrier*
*Differs depending on detection target gas.