MAPAN Journal Volume No. – 24

Number 1: January – March 2009

Preface
W.G. Kiirten Ihlenfeld and M.K. Mittal
1
Conversion of Current Transformer Errors at Unity Power Factor Burden, to 0.8 Power Factor-Equivalent
Paul Pokorny
3
Generation of Uniform Magnetic Field Using a Single-Layer Solenoid with Multi-Current Method
Po Gyu Park, Wan-Seop Kim, V.N. Khorev and V.Ya. Shifrin
9
The PTB Primary Standard for Electrical AC Power
Enrico Mohns, GUnther Ramm, W. G. Kiirten Ihlenfeld, Luis Palafox and Harald Moser
15
AC Power & Energy Standard – NPLI Measurement, Calibration & Testing
M.K. Mittal, R.K. Kotnala, J.C. Biswas and A.S. Yadav
21
Calibration & Measurement Facilities for AC High Current & High Voltage Ratio Standards at NPL
S.R. Gupta
29
Proficiency Testing in AC Power and Energy
M.K. Mittal, J.C. Biswas and A.S. Yadav
41
Power Comparator Based On-Site Calibration of Isolating Current Transformers
Enrico Mohns, Hans-Georg Latzel and Cornelia Wittig
67
Instruction to Authors 74


Number 2: April – June 2009

Preface
Jay H. Hendricks and Pardeep Mohan
76
Primary Vacuum Standard for UHV Range – Standing Experience and Present Problems
L. Peksa, D. PraA?A?k, T. Gronych, P A?epa, M ViA?ar, J TesaA™, Z KrajA­A?ek F StanA›k
77
Investigation of a Set Procedure for the Stability of Pressure Control in the Newly eveloped Flow-Control System at KRISS
S.S. Hong, Wakil Khan and S.W. Kang
89
Static Expansion Vacuum Standard with Extended Low Pressure Range
Li Detian, Zhao Guangping, Guo Meiru, Xu Jie and Cheng Yongjun
95
Static Expansion Primary Vacuum Standard a€“ Part 1: Determination of the Volume Ratio of the Expansion Stage
Pardeep Mohan and Harish Kumar
101
Static Expansion Primary Vacuum Standard a€“ Part 2: Characterization of Two Spinning Rotor Gauges
Pardeep Mohan and Harish Kumar
111
Extended Usage of Pressure Balance Down to a Few Pa
Han-Wook Song, In-Mook Choi and Sam-Yong Woo
119
Evaluation of Laboratory Performance Through Interlaboratory Comparison
Sanjay Yadav and A.K. Bandyopadhyay
125
Instruction to Authors 139


Number 3: July – September 2009

Preface
Klaus D. Stock and H.C. Kandpal
141
Photometry and Colorimetry of Reference LEDs by Using a Compact Goniophotometer
Matthias Lindemann and Robert Maass
143
Colorimetry of LEDs with Array Spectroradiometers
Saulius Nevas, Matthias Lindemann, Armin Sperling, Annette Teuber and Robert Maass
153
Determination of Stray Light at the PTB Goniophotometer Facility
G. Bizjak, M. Lindemann, A. Sperling and G. Sauter
163
High-Grade Uniform Light Source for Radiometric and Photometric Applications
Kai-Olaf Hauer and Andreas HA¶pe
175
Ultraviolet Radiation Emitted by Compact Fluorescent Lamps
Parag Sharma, V.K. Jaiswal and H.C. Kandpal
183
Traceability of Photocurrent Measurements to Electrical Standards
G.P. Eppeldauer
193
Evaluation of Laboratory Performance Through Interlaboratory Comparison
Sanjay Yadav and A.K. Bandyopadhyay
203
Instruction to Authors 205


Number 4: October – December 2009

Direct Comparison between the NIST 10 V Compact Josephson Voltage Standard and the 2.5 V Programmable Josephson Voltage Standard
Shiv Kumar Jaiswal and Y. Tang
207
Direct Measurement of Acoustic Impedance in Liquids by a New Pulse Echo Technique
Deepa Joshi, Deepa Bhatnager, Ashok Kumar and Reeta Gupta
215
Development and Performance Evaluation of a Dead Weight Force Machine in 2-50N Range
S.S.K. Titus, S.K. Dhulkhed, Poonam Yadav and Kamlesh K. Jain
225
Evaluation of Performance of GPS Receiver in CRRI Network Survey Vehicle
P. Banerjee and P.P. Thorat
233
Realization of Relative Humidity Scale from 10% to 98% at 25A?C
Essam. El-Din Mahmoud
241
Validation of RF Power Standard in the Frequency Range of 100 MHz to 18 GHz by an Inter Laboratory Data Comparison
Saood Ahmad, Ritander Aggarwal, Bijendra Pal, A.K. Govil and P. Banerjee
247
Instructions to Authors 262