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.
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
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
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
A1
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
B1
TUBING
Plastic, 1/4 -inch (R3603F), length
as
required.
B2
CONNECTOR *
*
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).
2