Report/Guide

Brewer, P J; Milton, M J T; Harris, P M; Bell, S A; Stevens, M; Scace, G*; Abe, H*; Mackrodt, P* (2011) EURAMET 1002: International comparability in measurements of trace water vapour. NPL Report. AS 59

Carroll, P A; Bell, S A; Stevens, M (2010) Calibration issues for measurement of moisture in materials. NPL Report. ENG 21

Bell, S A; Carroll, P; Stevens, M (2009) Study of the need for traceability for humidity measurements above 100 °C - summary report. NPL Report. ENG 12

Bell, S A; Carroll, P; Stevens, M (2009) Study of the need for improved traceability for air temperature measurements - summary report. NPL Report. ENG 11

Ives, D J; Parkin, G I; Smith, J; Stevens, M; Taylor, J A F; Wicks, M C (2004) Use of Internet by calibration services: demonstration of technology. NPL Report. CMSC 49/04

Bell, S A; Gardiner, T; Stevens, M; Waterfield, K* (2002) Evaluation of trace moisture sensors - interim report. NPL Report. CBTLM 19

Stevens, M; Collier, T; Harris, R* (2000) Comparison of instruments for measuring relative humidity. NPL Report. CBTLM 6

Stevens, M (1998) Uncertainty evaluation of the relative humidity facility at NPL. NPL Report. CMAM 15

Stevens, M (1998) Improved flow rate monitoring of the NPL high dew-point generator. NPL Report. CMAM 13

Stevens, M (1998) Study of alternative fluids for use in the humidity generator at NPL. NPL Report. CMAM 14

Stevens, M; Armitage, D (1996) Uncertainty evaluation of the NPL standard humidity generator. NPL Report. MOT 7

Article

Carroll, P A; Bell, S A; Stevens, M (2015) A calibration facility for dew point in air up to 1 Mpa. Int. J. Thermophysics, 36 (12). pp. 3453-3465.

Gallegos, J G*; Benyon, R*; Avila, S*; Benito, A*; Gavioso, R M*; Mitter, H*; Bell, S A; Stevens, M; Bose, N*; Ebert, V*; Heinonen, M*; Sairanen, M*; Peruzzi, A*; Bosma, R*; Val'kova, R* (2015) An investigation of the comparative performance of diverse humidity sensing techniques in natural gas. J. Natural Gas Sci. Eng., 23. pp. 407-416.

Bell, S A; Hinds, G; de Podesta, M; Stevens, M; Wilkinson, J (2012) Humidity, pressure and temperature measurements in an interdigitated-flow PEM hydrogen fuel cell. Int. J. Thermophysics, 33 (8-9). pp. 1583-1594.

Heinonen, M*; Anagnostou, M*; Bell, S A; Stevens, M; Benyon, R*; Bergerud, R A*; Bojkovski, J*; Bosma, R*; Nielsen, J*; Bose, N*; Cromwell, P*; Dogan, A K*; Aytekin, S*; Uytun, A*; Fernicola, V*; Flakiewicz, K*; Blanquart, B*; Hudokin, D*; Jacobson, P*; Kentved, A*; Loio, I*; Mamontov, G*; Masarykova, A*; Mitter, H*; Mnguni, R*; Otych, J*; Steiner, A*; Zsofia, N S*; Zvizdic, D* (2012) Investigation of the equivalence of national dew-point temperature realizations in the range -50 °C to +20 °C. Int. J. Thermophysics, 33 (8-9). pp. 1422-1437.

Underwood, R J; Cuccaro, R*; Bell, S A; Gavioso, R M*; Ripa, D M*; Stevens, M; de Podesta, M (2012) A microwave resonance dew-point hygrometer. Meas. Sci. Technol., 23 (8). 085905

de Podesta, M; Sutton, G; Underwood, R; Bell, S A; Stevens, M; Byrne, T; Josephs-Franks, P W (2011) Outgassing of water vapour, and its significance in experiments to determine the Boltzmann constant. Metrologia, 48 (1). pp. L1-L6.

Hinds, G; Stevens, M; Wilkinson, J*; de Podesta, M; Bell, S A (2009) Novel in-situ measurements of relative humidity in a polymer electrolyte membrane fuel cell. J. Power Sources, 186 (1). pp. 52-57.

Gee, R M*; Farley, R S*; Sax, P*; Benyon, R*; Stevens, M; Bose, N* (2008) An interlaboratory comparison of relative humidity and temperature probes using diverse generation techniques. Int. J. Thermophysics, 29 (5). pp. 1696-1708.

Stevens, M; Benyon, R*; Bell, S A; Vicente, T* (2008) A trial intercomparison of humidity generators at extremes of range using relative humidity transmitters. Int. J. Thermophysics, 29 (5). pp. 1685-1695.

Edwards, C S; Barwood, G P; Bell, S A; Gill, P; Stevens, M (2001) A tunable diode laser absorption spectrometer for moisture measurements in the low ppbv range. Meas. Sci. Technol., 12. pp. 1214-8.

Schirmer, B*; Venzke, H*; Melling, A*; Edwards, C S; Barwood, G P; Gill, P; Stevens, M; Benyon, R*; Mackrodt, P* (2000) High precision trace humidity measurements with a fibre-coupled diode laser absorption spectrometer at atmospheric pressure. Meas. Sci. Technol., 11. pp. 382-391.

Edwards, C S; Barwood, G P; Gill, P; Stevens, M; Schirmer, B*; Benyon, R*; Mackrodt, P* (2000) An IR tunable diode laser absorption spectrometer for trace humidity measurements at atmospheric pressure. IEEE Lasers and Electro-Optics Society Newsletter, 14 (5). pp. 13-14.

Kelly, G; Barker, R M; Parkin, G I; Stevens, M (1998) SCT: Building testing into standards. Comput. Stand. Interfaces, 19 (2). pp. 129-141.

Conference or Workshop Item

Bell, S A; Hinds, G; Stevens, M; Wilkinson, J; de Podesta, M (2009) Localised relative humidity and temperature measurements in a PEM hydrogen fuel cell. In: Metrologia 09 - International Congress of Metrologia 2009, 10 March 2009, Lisbon, Portugal.

Edwards, C S; Barwood, G P; Gill, P; Bell, S A; Stevens, M; Schirmer, B*; Melling, A*; Venzke, H*; Weber, H*; Benyon, R*; Mackrodt, P*; Nielsen, J*; de Groot, M J*; Pusterla, L* (2001) Development and evaluation of a tunable diode laser absorption spectrometer for trace humidity measurements. In: TEMPMEKO 01, June 2001, Berlin, Germany.

Bell, S A; Stevens, M; Barwood, G P; Edwards, C S; Gill, P (2001) Evaluation of a tuneable diode laser absorption spectrometer against the NPL low frost-point generator. In: TEMPMEKO 01, June 2001, Berlin, Germany.