SECTION I IDENTIFICATION AND DESCRIPTION

TB 3-6665-315-50

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

CALIBRATION PROCEDURE FOR

INDICATOR, RESISTANCE, INHALATION

AND EXHALATION, Q213

NSN 6680-01-016-2665

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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SECTION I.

IDENTIFICATION AND DESCRIPTION

Test instrument identification ............................................................................. 1

Calibration data card (DA Form 2416) ................................................................ 2

Calibration description........................................................................................ 3

II.

EQUIPMENT REQUIREMENTS

Equipment required............................................................................................ 4

Accessories required .......................................................................................... 5

III.

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.

Resistance, Inhalation and Exhalation, Q213. The

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.

calibration are listed in table 1.

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

2. Calibration Data Card, (DA Form 2416). Forms,

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