This device measures systolic and diastolic blood pressure as well as pulse with automatically inflating cuff.
 
Specifications:

Dimensions183 (L) x 195 (W) x 95 (H) mm
Weight650g
Mesasurement Range0 to 280mm Hg
Power SupplyAA batteries x 4


Research Articles:
Ledochowski, L., Ruedl, G., Taylor, A. H. & Kopp, M. (2015). Acute Effects of Brisk Walking on Sugary Snack Cravings in Overweight People, Affect and Responses to a Manipulated Stress Situation and to a Sugary Snack Cue: A Crossover Study. Plos One, 10(3). doi:10.1371/journal.pone.0119278

Park, Y. K., Kim, J. & Kang, M. (2004). Concord grape juice supplementation reduces blood pressure in Korean hypertensive men: Double-blind, placebo controlled intervention trial. BioFactors, 22(1-4), 145-147. doi:10.1002/biof.5520220128

For measuring systolic and diastolic blood pressure as well as pulse with automatically inflating cuff.
 
Specifications:

Dimensions63(W) x 56(H) x 21(D)mm
Weight82g, expecting batteries
Mesasurement Range20 to 280 mmHg
Power SupplyAA batteries x 2


Research Articles:
Angeli, F., Sardone, M., Angeli, E., Repaci, S., Gattobigio, R., Verdecchia, P. & Verdecchia, P. (2006). Validation of the A&D wrist-cuff UB-511 (UB-512) device for self-measurement of blood pressure. Blood Pressure Monitoring, 11(6), 349-354.

Mlawanda, G., Pather, M. & Govender, S. (2014). An analysis of blood pressure measurement in a primary care hospital in Swaziland. African Journal of Primary Health Care & Family Medicine, 6(1), 1-9. doi:10.4102/phcfm.v6i1.590

For measuring systolic and diastolic blood pressure as well as pulse with automatically inflating cuff.
 
Specifications:

Battery TypeLithium Cell
Battery LifeApprox. 2500 hours
Dimensions48(H) x 42(W) x 11(D)mm


Research Articles:
Angeli, F., Sardone, M., Angeli, E., Repaci, S., Gattobigio, R., Verdecchia, P. & Verdecchia, P. (2006). Validation of the A&D wrist-cuff UB-511 (UB-512) device for self-measurement of blood pressure. Blood Pressure Monitoring, 11(6), 349-354.

Mlawanda, G., Pather, M. & Govender, S. (2014). An analysis of blood pressure measurement in a primary care hospital in Swaziland. African Journal of Primary Health Care & Family Medicine, 6(1), 1-9. doi:10.4102/phcfm.v6i1.590

It monitors a person's maximum speed of expiration (peak flow).
 
Research Articles:
Mathews, P. J. (1997). Using a Peak Flowmeter. Nursing, 27(6), 57-59. doi:10.1097/00152193-199706000-00026

Wang, L., Proudlock, M. & Liu, M. (1996). A Simple and Effective Method to Evaluate Peak Flowmeters. Canadian Respiratory Journal, 3(2), 125-129. doi:10.1155/1996/253063

It performs pulmonary function tests by measuring the volume of air inhaled and exhaled by the lungs.
 
Specifications:

Dimensions150(H) x 45(W) x 53(D)mm
Weight77g
Flow Range0.03 - 201/s
Volume Range121
Power Supply USB port


Research Articles:
Brigatto, P., Carbinatto, J. C., Costa, C. M., Montebelo, M. L., Rasera-Júnior, I. & Pazzianotto-Forti, E. M. (2014). Application of positive airway pressure in restoring pulmonary function and thoracic mobility in the postoperative period of bariatric surgery: a randomized clinical trial. Brazilian Journal of Physical Therapy / Revista Brasileira De Fisioterapia, 18(6), 553-562. doi:10.1590/bjpt-rbf.2014.0054

Fsadni, P., Bezzina, F., Fsadni, C., Aquilina, N. & Montefort, S. (2015). The Impact of School Environment on Children's Respiratory Health. Integrative Medicine International, 2(3/4), 129-138. doi:10.1159/000440837

Messan, F., Dansou, P., Marqueste, T., Decherchi, P., Tossou, R., Amoussou, T. & Sovi-Guidi, B. (2013). First Report of FVC and FEV1 Reference Values for Beninese Children Aged 11-16 Years. ISRN Pulmonology, 1-8. doi:10.1155/2013/284386