The safety, durability, and convenience of the super-duty MDF® 840 make it
ideal for high-traffic areas in the emergency room, clinic, or ambulance. With a
certified manometer, stress-tested over 3,000 times, and calibrated 5 times, it
is one of the most durable, accurate, and dependable blood pressure measurement
devices on the market.
To reduce the parallax effect, the large scale (15 cm) is imprinted with
black-bold dials and pressed with a raised outer rim to achieve accurate viewing
at all angles. Doubly protected against shock, the internal manometer is
enclosed in a die-cast zinc housing that is cushioned within the external
high-impact thermoplastic case. The faceplate can swivel smoothly with a wide
range of 180° horizontally and 90° vertically to ensure the gauge is easy to
Cuff & Inflation Bag
Abrasion, chemical (chlorine and peroxide), and moisture resistant, the adult
Velcro cuff is constructed of high-molecular polymer nylon. Sized to meet
American Heart Association recommendations, the artery indicator label and index
range further ensure proper cuffing for correct arterial compression. The 2.4 m
coiled tubing and seamless inflation bag are constructed of crack-resistant,
non-sticking, high-density hypoallergenic latex-free PVC. The universal bladder
tube enables compatible cuff exchange with all MDF and other major brands of
blood pressure systems.
Cuff & Inflation Bag
Deluxe chrome-plated brass screw-type valve with filter facilitates precise
air release rate. The extra-large inflation bulb is constructed of
crack-resistant, non-sticking, high-density hypoallergenic latex-free PVC.
MDF Instruments uses materials that comply with all local regulations to
ensure that all of our products are non-toxic, latex-free, non-phthalate,
non-hazardous, etc. to both the medical and the patient communities.
MDF mercurial and aneroid sphygmomanometers and replacement cuffs with
defects in material or craftsmanship will be replaced or repaired without charge
when these defects are reported within three years of the original purchase. We
also offer a lifetime calibration warranty on MDF mercurial and aneroid
sphygmomanometers. The calibration warranty does not apply to damage caused by
improper handling, accidents, failure to follow operating instructions, or
alterations made to the device by third parties. Electronic blood pressure units
are covered by a two-year warranty against defects in material or craftsmanship,
and a two-year calibration warranty. Calibration warranties do not apply to
damage caused by improper handling, accidents, failure to follow operating
instructions, or alterations made to the device by third parties.
Free Parts For Life
MDF offers lifetime replacement parts for all stethoscopes. These
include our ComfortSeal eartips, retaining rings, diaphragms, retaining rings,
non-chill rings and ID tags.
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