JJG 245-2005 PDF English
US$620.00 · In stock · Download in 9 secondsJJG 245-2005: Verification Regulation of Illuminance Meter Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid JJG 245: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| JJG 245-2005 | English | 620 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Verification Regulation of Illuminance Meter
| Valid |
| JJG 245-1991 | English | 839 |
Add to Cart
|
6 days
|
Verification Regulation of Illuminometer
| Obsolete |
| JJG 245-1981 | English | RFQ |
ASK
|
3 days
|
(Chinese Industry Standard)
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: JJG 245-2005
JJG 245-2005: Verification Regulation of Illuminance Meter---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JJG245-2005
JJG
METROLOGICAL VERIFICATION REGULATION
Illuminance meter
Issued on. APRIL 28, 2005
Implemented on. OCTOBER 10, 2005
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of PRC.
Verification regulation of
illuminance meter
This Regulation was approved by the General Administration of Quality Supervision,
Inspection and Quarantine of PRC on April 28, 2005.It was implemented from October
28, 2005.
Under the jurisdiction of. National Optical Metrology Technical Committee
Drafting organization. China Institute of Metrology
National Optical Metrology Technical Committee is responsible for the interpretation
of this Regulation.
Drafters of this Regulation.
Jiang Xiaomei (Chinese Institute of Metrology)
Gao Zhizhong (China Institute of Metrology)
Replacing JJG 245-1991
Table of Contents
1 Scope... 4
2 Normative references... 4
3 Overview... 4
4 Metering performance requirements... 4
4.1 Relative indication error... 4
4.2 V(λ) matching error... 5
4.3 Cosine characteristic (directional response) error... 5
4.4 Nonlinear error... 5
4.5 Shift error... 5
4.6 Fatigue error... 6
4.7 Infrared response error... 6
4.8 UV response error... 6
4.9 Temperature coefficient... 6
5 General technical requirements... 7
5.1 Appearance... 7
5.2 Identification... 7
5.3 Instructions... 7
6 Metering instrument control... 7
6.1 Verification conditions... 7
6.2 Verification items... 8
6.3 Verification method... 9
6.4 Processing of verification results... 13
6.5 Verification cycle... 14
Appendix A Recommended test methods for type identification and prototype testing
... 15
Appendix B Verification of illuminance meter using comparison method... 20
Appendix C Example of uncertainty assessment... 22
Appendix D The relationship between the two formulas of cosine characteristic error
... 28
Appendix E Format of the inner page of the illuminance meter's verification certificate
and verification result notification... 30
Verification regulation of illuminance meter
1 Scope
This Regulation applies to the initial verification, subsequent verification, in-use
inspection of illuminance meters (hereinafter referred to as illuminance meters). The
requirements related to measurement performance in type identification and prototype
testing can be implemented with reference to Regulation.
2 Normative references
This Regulation cites the following documents.
"Illuminance Meter" OIML 1988 English version
"Performance Test Methods for Photometers and Luminometers" CIE 1987 English
version
JJF 1059-1999 "Evaluation and Expression of Uncertainty in Measurement"
When using this Regulation, attention shall be paid to using the currently valid versions
of the above cited documents.
3 Overview
An illuminance meter is a measuring instrument for measuring illuminance. It consists
of a photometric probe (including a cosine corrector, a V (λ) correction filter, a
photoelectric receiver) and a display (digital or pointer type).
4 Metering performance requirements
4.1 Relative indication error
The relative indication error of the illuminance meter shall not exceed the requirements
of Table 1.
4.2 V(λ) matching error
The V(λ) matching error of the illuminance meter shall not exceed the requirements of
4.3 Cosine characteristic (directional response) error
The cosine characteristic (directional response) error of the illuminance meter shall not
exceed the requirements of Table 3.
4.8 UV response error
The UV response error of the illuminance meter shall not exceed the requirements in
Table 8.
4.9 Temperature coefficient
The temperature coefficient of the illuminance meter shall not exceed the requirements
of Table 9.
5 General technical requirements
5.1 Appearance
The connection lines of the illuminance meter shall be in good contact; the outer surface
of the cosine corrector of the photometer probe shall be clean and undamaged, with no
spots or other marks. The digital display of the digital illuminance meter shall be clear,
with no broken strokes, etc.
5.2 Identification
The instrument shall be identified as follows. Name, model, product number,
manufacturer, relevant mandatory and descriptive marks.
6 Metering instrument control
Metering instrument control includes. initial verification, subsequent verification, in-
use inspection.
6.1 Verification conditions
6.1.1 Verification equipment
6.1.1.3 Luminous intensity standard lamp set
The luminous intensity standard lamp used to calibrate the illuminance meter shall not
be lower than the requirements in Table 11.
6.1.2 Environmental conditions
The room where the photometry system is located shall be a dark room; the temperature
shall be maintained at (20 ± 5) °C. If the electrical measurement system uses supporting
equipment such as a potentiometer and standard batteries, the temperature of the room
where it is located shall be maintained at (20 ± 2) °C, the humidity shall be less than
85%RH.
6.2 Verification items
The verification items are as shown in Table 12.
The recommended test items for type identification and prototype testing include all the
contents in Chapter 4.Among them, please refer to Appendix A for the test methods of
V (λ) matching error, fatigue error, infrared response error, ultraviolet response error,
temperature coefficient.
6.3 Verification method
6.3.3.3 The photometric probe shall cause the response of the light projected onto it to
comply with the cosine law. Calculate the error f2(ε, ϕ) caused by the direction of the
projected light according to formula (3).
6.3.4 Nonlinear error
6.3.5 Shift error
6.3.5.1 On the photometric measuring device, install the standard lamp and the
photometric probe of the illuminance meter in accordance with the requirements for
calibrating the illuminance meter. Keep the position of the fixed photometric probe
unchanged; move the standard lamp, so that the standard illumination value X (A)
reaches 90% of the full scale in the low-range gear A; its displayed value is Y (A). Then
change the illuminance meter to the relatively high range B; move the standard lamp so
that the standard illuminance value X (B) increases k times compared to X (A). Read
the illuminance meter's display value Y (B).
6.3.5.2 Calculate the error f4 caused by the change of measuring range according to
formula (6).
6.4 Processing of verification results
Carry out verification one by one according to the provisions of 6.2 "Verification items".
Record the various data obtained. Calculate the results. If all items meet the
requirements of this Regulation,
6.5 Verification cycle
The verification cycle generally does not exceed 1 year.
JJG
METROLOGICAL VERIFICATION REGULATION
Illuminance meter
Issued on. APRIL 28, 2005
Implemented on. OCTOBER 10, 2005
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of PRC.
Verification regulation of
illuminance meter
This Regulation was approved by the General Administration of Quality Supervision,
Inspection and Quarantine of PRC on April 28, 2005.It was implemented from October
28, 2005.
Under the jurisdiction of. National Optical Metrology Technical Committee
Drafting organization. China Institute of Metrology
National Optical Metrology Technical Committee is responsible for the interpretation
of this Regulation.
Drafters of this Regulation.
Jiang Xiaomei (Chinese Institute of Metrology)
Gao Zhizhong (China Institute of Metrology)
Replacing JJG 245-1991
Table of Contents
1 Scope... 4
2 Normative references... 4
3 Overview... 4
4 Metering performance requirements... 4
4.1 Relative indication error... 4
4.2 V(λ) matching error... 5
4.3 Cosine characteristic (directional response) error... 5
4.4 Nonlinear error... 5
4.5 Shift error... 5
4.6 Fatigue error... 6
4.7 Infrared response error... 6
4.8 UV response error... 6
4.9 Temperature coefficient... 6
5 General technical requirements... 7
5.1 Appearance... 7
5.2 Identification... 7
5.3 Instructions... 7
6 Metering instrument control... 7
6.1 Verification conditions... 7
6.2 Verification items... 8
6.3 Verification method... 9
6.4 Processing of verification results... 13
6.5 Verification cycle... 14
Appendix A Recommended test methods for type identification and prototype testing
... 15
Appendix B Verification of illuminance meter using comparison method... 20
Appendix C Example of uncertainty assessment... 22
Appendix D The relationship between the two formulas of cosine characteristic error
... 28
Appendix E Format of the inner page of the illuminance meter's verification certificate
and verification result notification... 30
Verification regulation of illuminance meter
1 Scope
This Regulation applies to the initial verification, subsequent verification, in-use
inspection of illuminance meters (hereinafter referred to as illuminance meters). The
requirements related to measurement performance in type identification and prototype
testing can be implemented with reference to Regulation.
2 Normative references
This Regulation cites the following documents.
"Illuminance Meter" OIML 1988 English version
"Performance Test Methods for Photometers and Luminometers" CIE 1987 English
version
JJF 1059-1999 "Evaluation and Expression of Uncertainty in Measurement"
When using this Regulation, attention shall be paid to using the currently valid versions
of the above cited documents.
3 Overview
An illuminance meter is a measuring instrument for measuring illuminance. It consists
of a photometric probe (including a cosine corrector, a V (λ) correction filter, a
photoelectric receiver) and a display (digital or pointer type).
4 Metering performance requirements
4.1 Relative indication error
The relative indication error of the illuminance meter shall not exceed the requirements
of Table 1.
4.2 V(λ) matching error
The V(λ) matching error of the illuminance meter shall not exceed the requirements of
4.3 Cosine characteristic (directional response) error
The cosine characteristic (directional response) error of the illuminance meter shall not
exceed the requirements of Table 3.
4.8 UV response error
The UV response error of the illuminance meter shall not exceed the requirements in
Table 8.
4.9 Temperature coefficient
The temperature coefficient of the illuminance meter shall not exceed the requirements
of Table 9.
5 General technical requirements
5.1 Appearance
The connection lines of the illuminance meter shall be in good contact; the outer surface
of the cosine corrector of the photometer probe shall be clean and undamaged, with no
spots or other marks. The digital display of the digital illuminance meter shall be clear,
with no broken strokes, etc.
5.2 Identification
The instrument shall be identified as follows. Name, model, product number,
manufacturer, relevant mandatory and descriptive marks.
6 Metering instrument control
Metering instrument control includes. initial verification, subsequent verification, in-
use inspection.
6.1 Verification conditions
6.1.1 Verification equipment
6.1.1.3 Luminous intensity standard lamp set
The luminous intensity standard lamp used to calibrate the illuminance meter shall not
be lower than the requirements in Table 11.
6.1.2 Environmental conditions
The room where the photometry system is located shall be a dark room; the temperature
shall be maintained at (20 ± 5) °C. If the electrical measurement system uses supporting
equipment such as a potentiometer and standard batteries, the temperature of the room
where it is located shall be maintained at (20 ± 2) °C, the humidity shall be less than
85%RH.
6.2 Verification items
The verification items are as shown in Table 12.
The recommended test items for type identification and prototype testing include all the
contents in Chapter 4.Among them, please refer to Appendix A for the test methods of
V (λ) matching error, fatigue error, infrared response error, ultraviolet response error,
temperature coefficient.
6.3 Verification method
6.3.3.3 The photometric probe shall cause the response of the light projected onto it to
comply with the cosine law. Calculate the error f2(ε, ϕ) caused by the direction of the
projected light according to formula (3).
6.3.4 Nonlinear error
6.3.5 Shift error
6.3.5.1 On the photometric measuring device, install the standard lamp and the
photometric probe of the illuminance meter in accordance with the requirements for
calibrating the illuminance meter. Keep the position of the fixed photometric probe
unchanged; move the standard lamp, so that the standard illumination value X (A)
reaches 90% of the full scale in the low-range gear A; its displayed value is Y (A). Then
change the illuminance meter to the relatively high range B; move the standard lamp so
that the standard illuminance value X (B) increases k times compared to X (A). Read
the illuminance meter's display value Y (B).
6.3.5.2 Calculate the error f4 caused by the change of measuring range according to
formula (6).
6.4 Processing of verification results
Carry out verification one by one according to the provisions of 6.2 "Verification items".
Record the various data obtained. Calculate the results. If all items meet the
requirements of this Regulation,
6.5 Verification cycle
The verification cycle generally does not exceed 1 year.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of JJG 245-2005 be delivered?Answer: The full copy PDF of English version of JJG 245-2005 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of JJG 245-2005_English with my colleagues?Answer: Yes. The purchased PDF of JJG 245-2005_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- JJG 245-2005 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. Question 5: Should I purchase the latest version JJG 245-2005?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 245-2005 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. How to buy and download a true PDF of English version of JJG 245-2005?A step-by-step guide to download PDF of JJG 245-2005_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "JJG 245-2005".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|