BS 667:2005
$102.76
Illuminance meters. Requirements and test methods
| Published By | Publication Date | Number of Pages |
| BSI | 2005 | 18 |
This British Standard specifies performance requirements for illuminance meters for the measurement of photopic illuminance for applications other than the measurement of luminaires. It specifies the performance requirements for two types of illuminance meter, Type L (laboratory instruments) and Type F (field instruments). This British Standard is applicable to meters for the measurement of planar illuminance. This standard is intended for use by meter manufacturers and users.
NOTE 1 The requirements specified for a Type L meter in this standard are identical to the requirements specified for an illuminance meter in BS EN 13032-1. However, BS EN 13032-1 specifies additional requirements which are not specified in this standard.
NOTE 2 If other types of illuminance e.g. semi-cylindrical, are used, reference should be made to CIE Publication 69:1987 [1].
NOTE 3 Annex A gives recommendations for the choice of meter range.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British�Standard |
| 3 | Contents |
| 5 | Introduction 1 Scope 2 Normative references 3 Terms and definitions 3.1 illuminance 3.2 illuminance meter 3.3 photoelectric cell |
| 6 | 3.4 selective or coloured filter 3.5 colour temperature 3.6 photometer head 3.7 calibration plane 3.8 effective range 3.9 secondary standard lamp 3.10 working standard lamp 3.11 secondary standard illuminance meter 4 Classification |
| 7 | 5 Digital ranges and readouts 6 Analogue scales 7 Calibration and testing temperature 8 Power supply 9 Performance requirements for laboratory and field illuminance meters |
| 8 | Table 1 Test and calibration methods Table 2 Error tolerances for illuminance meters |
| 9 | 10 Marking |
| 10 | Annex A (informative) Guidance on choice of meter range A.1 General A.2 Choice of range Annex B (normative) Calibration B.1 General B.2 Calibration methods B.2.1 Using a reference lamp |
| 11 | B.2.2 Using a reference meter |
| 12 | Annex C (normative) Test methods C.1 Test for linearity C.1.1 Apparatus C.1.2 Procedure C.1.3 Calculation of non-linearity C.2 Calculation of spectral correction error |
| 13 | C.3 Infra-red response test C.3.1 Apparatus C.3.2 Procedure C.3.3 Expression of results C.4 Ultraviolet response test C.4.1 Apparatus C.4.2 Procedure C.4.3 Expression of results C.5 Determination of cosine correction error C.5.1 Principle C.5.2 Procedure |
| 14 | C.5.3 Expression of results C.6 Test for error due to fatigue C.7 Test for error due to temperature change C.8 Test for error due to range change C.9 Determination of spectral correction factor C.9.1 Principle |
| 15 | C.9.2 Calculation of F C.9.3 Example of calculation of correction factor for high pressure sodium lamp |
| 16 | Table C.1 Example of calculation of correction factor for a high pressure sodium lamp |
| 17 | Bibliography |
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