Riken Keiki SD-1DRI, Operating Manual

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1 Outline of the Product 1-1. Preface
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1
Outline of the Product
1-1. Preface
Thank you for choosing our smart transmitter/gas detector head SD-1DRI(TYPE MED EX). Please check
that the model number of the product you purchased is included in the specifications on this manual.
This manual explains how to use the detector and its specifications. It contains information required for
using the detector properly. Not only the first-time users but also the users who have already used the
product must read and understand the operating manual to enhance the knowledge and experience before
using the detector.
1-2. Purpose of use

The detector is fixed type gas detector head that detects leak of combustible gas and has analog signal
output(4-20mA).

The detector detects abnormalities in the air caused by presence of gases or other reasons (leak) with the
built-in gas sensor. The concentrations of detected gases are displayed on the seven-segment LED.

The detector outputs gas concentration in 4 – 20 mA.

An external pump etc. outside the detector introduces gas to perform gas detection.

The detector has HART communication function. The HART communication function can be used only
during maintenance.

This detector is a safety unit, not an analyzer or densitometer which performs quantitative/qualitative
analysis/measurement for gases. Please fully understand the features of the detector before using it, so
that it can be used properly.
1-3. Definition of DANGER, WARNING, CAUTION, and
NOTE
DANGER
This message indicates that improper handling may cause serious
damage on life, health or assets.
WARNING
This message indicates that improper handling may cause serious
damage on health or assets.
CAUTION
This message indicates that improper handling may cause minor
damage on health or assets.
NOTE
This message indicates advice on handling.