DD ENV 1259-2:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Single burner gas fired overhead radiant tube heaters and non-domestic gas-fired overhead luminous radiant heaters Requirements and test methods for establishing the rational use of energy. Radiometric method B
Hardcopy , PDF
30-06-2006
English
15-06-1997
Contents
Committees responsible
National Foreword
Foreword
1. Scope
2. Normative references
3. Definitions
3.1 Radiant reference plane
3.2 Irradiance
3.3 Measuring plane
3.4 Measurement grid
4. Symbols
5. Requirement for rational use of energy
6. Test method
6.1 Principle
6.2 Test equipment
6.2.1 General requirements for the test sensor
6.2.1.1 Characteristics
6.2.1.2 Sensor purging
6.2.1.3 Sensor protection
6.2.2 Mechanical test equipment
6.2.3 Measurement position for sensor
6.3 General test conditions
6.3.1 Test chamber
6.3.2 Flue gas extraction
6.3.3 Installation of appliance
6.3.4 Influence of temperature control
6.3.5 Electrical supply
6.3.6 Operating conditions
6.4 Test procedure
6.4.1 Measurement principle
6.4.2 Measuring method
6.5 Calculation of radiant power
6.6 Calculation of heat input
6.7 Calculation of radiant efficiency
6.8 Test report
Annexes
A (informative) General method
B (informative) Worked example for a plaque
heater of radiant efficiency (table and diagram)
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