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Home Respiratory Products Pneumotach PTM Type


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PTM Type

The HSE pneumotachometer PTM is a transducer for airflow measurement on rodents. The main feature of the new design is the small dead space. This ensures a good gas exchange in acute experiments. In combination with the silicon rubber tubing and the tracheal cannula the PTM is used for acute experiments (Intubation or tracheotomy). It is also designed for respiratory flow measurement on isolated lung of rats, guinea pigs or mice.
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Item Listing Full Description Specifications Journal Articles
Item# Description
730980 PTM Type 378/1.2 for Rats
730981 PTM Type 378/0.9 for Mice

For local pricing, contact your nearest distributor.



Full Description Back to Top

• Ideal pneumotachs for mice, rats or guinea pigs
• For isolated lung applications
• Small dead space volume
• Transparent design permits early detection of mucus in the pneumotach which helps to eliminate erroneous measurements

The HSE pneumotachometer PTM is a transducer for airflow measurement on rodents. The main feature of the new design is the small dead space. This ensures a good gas exchange in acute experiments. In combination with the silicon rubber tubing and the tracheal cannula the PTM is used for acute experiments (Intubation or tracheotomy). It is also designed for respiratory flow measurement on isolated lung of rats, guinea pigs or mice.
These pneumotachs are made of transparent perspex, which allows good viewing of the inside during the experiment. It also makes these units easier to clean. The flow resistance consists only of straight boring and also is easy to clean.
The transparent design allows easy detection of any mucus that comes up into the PTM during the experiment. This prevents measurement errors caused by artificial increases of the airway resistance due to pneumotach obstruction. In addition the perspex has low heat transfer properties compared to metal so that heating is not needed to prevent condensation of the moisture in the expired air.
The basic principle of the transducer is the generation of a pressure proportional to the airflow across a flow resistance. For the measurement of the pressure we recommend the Validyne differential pressure transducer type DP 45-14.
Calibration:
The PTM type 378/X are only calibrated approximately. The values in the technical specifications are only nominal values and are subject to change in the range of manufacturing tolerance. Volume calibration (injection of a specific volume using a calibrated syringe and integration of the flow signal) must be performed for each experiment.


Specifications Back to Top

Specifications730980730981
SpeciesRats, Guinea PigsMice
Dead Space Volume50 ul25 ul
Nominal Flow Rate (ml/sec)+/- 27 ml/sec+/-10.5 ml/sec
Nominal Sensitivity (ml/sec/mmH2O)10 mmH2O for 27 ml/sec10 mmH2O for 10.5 ml/sec
Flow Resistance, Approximate0.4 mmH2O/ml/sec1.0 mmH2O.ml/sec

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Journal Articles Back to Top

Displaying 1 to 10 of 11results for PTM Type   Page 1  2 

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Description

100% Login to view Ca21-sensitive Inactivation and Facilitation of L-type Ca21 Channels.pdf
[235 KB]
Ca21-sensitive Inactivation and Facilitation of L-type Ca21 Channels Both Depend on Specific Amino Acid Residues in a Consensus Calmodulin-binding Motif in thea1C subunit
91% Login to view HS11 Type 211 Stimulator.pdf
[94 KB]
Stimulator use in finding native tetanus and pertussis toxins effect on electrical and chemical seizures in mice
55% Login to view WR06 OC724 Amplifier.pdf
[223 KB]
Mutational Analysis of CaM-mediated L-type Channel Modulation
48% Login to view VT39.pdf
[850 KB]
THE STUDY OF THE EFFECT OF ENOXIMONE … A PHOSPHODIESTERASE TYPE III INHIBITOR-VERSUS ADRENALINE IN CASES OF ACUTE MYOCARDIAL INFARCTION IN AN EXPERIMENTAL CAT MODEL
46% Login to view VT09 Lung CD25 CD4 Regulatory T Cells Suppress Type 2 Immune Responses but not Bronchial Hyperreactivity.pdf
[131 KB]
JAP December 87/6
43% Login to view VT09 immun2003.pdf
[458 KB]
Lung CD25 CD4 Regulatory T Cells Suppress Type 2 Immune Responses but not Bronchial Hyperreactivity
27% Login to view HS05EL 1.PDF
[91 KB]
Electromechanical transducer and the role of histamine in cardiac muscle function
22% Login to view Isoforms of the Inositol 1,4,5-Trisphosphate Receptor Are Expressed in Bovine Oocytes and Ovaries.pdf
[309 KB]
Isoforms of the Inositol 1,4,5-Triphosphate Receptor Expressed in Bovine Oocytes and Ovaries
22% Login to view PI14 plibov.pdf
[293 KB]
Isoforms of the Inositol 1,4,5-Triphosphate Receptor Expressed in Bovine Oocytes and Ovaries
22% Login to view Kainate Receptor Activation.pdf
[878 KB]
AMPA Kainate Receptor Activation Mediates Hypoxic Oligodendrocyte Death and Axonal Injury in Cerebral White Matter
   

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