IECEx Certificateof Conformity
INTERNATIONAL ELECTROTECHNICAL COMMISSION
IEC Certification System for Explosive Atmospheres
for rules and details of the IECEx Scheme visit www.iecex.com

Certificate No.:

IECEx DEK 12.0058X

Page 1 of 4

Status:Current

Issue No: 4

Date of Issue:

2024-04-26

Applicant:

RIKEN KEIKI Co., Ltd.
2-7-6, Azusawa,
Itabashi-ku,
Tokyo, 174-8744,
Japan

Equipment:

Calorimeter, Type OHC-800 and Refractive-index Meter, Type FI-900

Optional accessory:
Type of Protection:

Ex db

Marking:

Ex db IIB + H2 T4 Gb

Approved for issue on behalf of the IECEx
Certification Body:

L.G. van Schie

Position:

Certification Manager

Signature:(for printed version)Date:(for printed version)

2024-04-26

1. This certificate and schedule may only be reproduced in full.
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticity of this certificate may be verified by visiting www.iecex.com or use of this QR Code.

Certificate issued by:
DEKRA Certification B.V.
Meander 1051
6825 MJ Arnhem
Netherlands

Certificate history:
Issue 3 (2020-07-07)
Issue 2 (2019-12-13)
Issue 1 (2017-04-25)
Issue 0 (2014-08-08)

IECEx Certificateof Conformity
Certificate No.:

IECEx DEK 12.0058X

Page 2 of 4

Date of issue:

2024-04-26

Issue No: 4

Manufacturer:

RIKEN KEIKI Co., Ltd.
2-7-6, Azusawa,
Itabashi-ku,
Tokyo, 174-8744,
Japan

Manufacturinglocations:

RIKEN KEIKI Co., Ltd.
2-3, Minamisakae-cho,
Kasukabe-shi,
Saitama, 344-0057,
Japan

RIKEN KEIKI NARA MFG. Co., Ltd.
49‐1, Abe, Sakurai‐shi,Nara, 633‐0054,
Japan

This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with theIEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed andfound to comply with the IECEx Quality system requirements.This certificate is granted subject to the conditions as set out in IECEx Scheme
Rules, IECEx 02 and Operational Documents as amended
STANDARDS :The equipment and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was foundto comply with the following standards
IEC 60079-0:2017
Edition:7.0Explosive atmospheres - Part 0: Equipment - General requirements

IEC 60079-1:2014
Edition:7.0

Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"This Certificate does not indicate compliance with safety and performance requirements
other than those expressly included in the Standards listed above.
TEST & ASSESSMENT REPORTS:
A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in:
Test Report:
NL/DEK/ExTR12.0060/04
Quality Assessment Reports:
NL/DEK/QAR23.0010/00

NL/DEK/QAR23.0011/00

IECEx Certificateof Conformity
Certificate No.:

IECEx DEK 12.0058X

Page 3 of 4

Date of issue:

2024-04-26

Issue No: 4

EQUIPMENT:
Equipment and systems covered by this Certificate are as follows:
Calorimeter, Type OHC-800 and Refractive-index Meter, Type FI-900 analyses gasses.
The aluminium enclosure in type of protection flameproof enclosures “d” contains sensors, electronics, display and is provided with cableglands and blanking plugs.
Ambient temperature range: -20 °C to +60 °C.
Process gas data
Process gas includes the gas to be analysed and the reference gas
Temperature range: -20 °C to +60 °C
Pressure range: 80 kPa to 110 kPa absolute
Electrical data
Supply voltage: 100 Vac 95 mA to 240 Vac 70 mA or 24 Vdc 190 mA
Analogue Output: 4 - 20 mA, max 24 Vdc
Digital communication: RS485
Contact output: 30 Vdc, max 2 A or 240 Vac, max 1 A
SPECIFIC CONDITIONS OF USE: YES as shown below:- Repair of flameproof joints is not allowed.
- Fasteners have property class A2-70.

IECEx Certificate
of Conformity
Certificate No.:

IECEx DEK 12.0058X

Page 4 of 4

Date of issue:

2024-04-26

Issue No: 4

DETAILS OF CERTIFICATE CHANGES (for issues 1 and above)
1. Minor change on the label drawings and instructions.
2. Linked to new QARs.
3. Manufacturing location Ebina Denki is no longer listed.