DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
INDICATOR, RESISTANCE, INHALATION
AND EXHALATION, Q213
Headquarters, Department of the Army, Washington, D. C.
24 June 1977
REPORTING OF ERRORS
You can help improve this publication by calling attention to errors and by recommending
improvements and stating your reasons for the recommendations. Your letter or DA Form 2028,
Recommended Changes to Publications and Blank Forms should be mailed directly to
Commander, US Army Armament Materiel Readiness Command, Attn: DRSAR-MAS-C, Aberdeen
Proving Ground, MD 21010.
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Page
IDENTIFICATION AND DESCRIPTION
Test instrument identification ............................................................................. 1
Calibration data card (DA Form 2416) ................................................................ 2
Calibration description........................................................................................ 3
EQUIPMENT REQUIREMENTS
Equipment required............................................................................................ 4
Accessories required .......................................................................................... 5
CALIBRATION PROCESS
Preliminary instructions ...................................................................................... 6
Equipment setup ................................................................................................ 7
AIR FLOW gage ................................................................................................ 8
RESISTANCE gage ........................................................................................... 9
Final procedure ................................................................................................ 10
SECTION I
IDENTIFICATION AND DESCRIPTION
at all levels are prescribed by TM 38-750. DA Form
1. Test Instrument Identification.
This bulletin
2416 must be annotated in accordance with TM 38-750
provides instructions for the calibration of Indicator,
for each calibration performed.
3. Calibration Description.
TI parameters and
inhalation and exhalation resistance indicator will be
referred to as the "TI" or test equipment throughout this
performance specifications which pertain to this
bulletin.
a. Model Variations. None.
Table 1. Calibration Description
b. Time and Technique. The time required for
this calibration is approximately 2 hours, using the
Test Instrument
Performance Specifications
physical technique.
Parameters
Pressure
Range: 0 to 10 centimeters of
records, and reports required for calibration personnel
water
Accuracy: + 2% of full scale
Airflow
Range: 0 to 90 liters/minute
Accuracy: + 2% of full scale
1