SECTION II EQUIPMENT REQUIREMENTS

TB 3-6665-314-50

SECTION II

EQUIPMENT REQUIREMENTS

table 2 provide a four-to-one accuracy ratio between the

4. Equipment Required. Table 2 identifies the specific

standard and TI. When the four-to-one ratio cannot be

equipment used in this calibration. The equipment is

met, the actual accuracy of the equipment selected is

issued with secondary transfer standards calibration set,

shown in parenthesis.

NSN 6695-00-621-7877. Alternate items may be used

5. Accessories Required. The accessories listed in

by the calibrating activity when the equipment listed in

Table 2 is not available. The items selected must be

table 3 are issued as indicated in paragraph 4 above

verified to perform satisfactorily prior to use and must

except for one which is fabricated as shown in figure 1.

bear evidence of current calibration. The equipment

All are to be used in this calibration procedure. When

must meet or exceed the minimum use specifications

necessary, the items other than the one fabricated may

listed in table 2. The accuracies listed in

be substituted by equivalent items.

Figure 1. Fabrication instructions for connector (B3).

Table 2. Minimum Specifications of Equipment Required

Item

Common Name

Minimum Use Specifications

Manufacturer, Model and Part Number

MANOMETER

Range: 0 to 25 inches of water

Wallace, and Tiernan, Model 65D-4C-0120X or Fa145600

Accuracy: ±0.5%

(7912573)

Table 3. Accessories Required

Item

Common Name

Description and Part Number

TUBING

Plastic, 1/4 -inch (R3603F), length

required.

CONNECTOR *

Fabricate in accordance with figure 1.

Also used to calibrate the following equipment:

Tester, Air Leakage (Dry Bubble), Q204 (TB 3-6665-313-50) Indicator, Resistance, Inhalation and Exhalation, Q213

(TB 3-6665-315-50).