Dc Meter Scale Test

TM 11-6625-1702-35

4-5. Dc Meter Scale Test

(fig. 4-1)

a. Test Equipment and Materials.

(1) Power supply, 28-volt dc.

(2) Multimeter ME-26B/U.

b. Test Connections and Conditions. Connect the test equipment as shown in figure 4-1.

c. Procedures.

Control Settings

Step

Performance

standard

Test

procedure.

Equipment under test

Test

equipment

No.

1 a. S e t m u l t i m e t e r a. None ----------------- a. None ----------------- a. None

to 30-volt dc

scale.

b. Turn on power b. Set METER FUNC- b. Adjust power supply to b. Test set meter indicates

27.5 ±1.3 volts dc.

TION

switch

obtain a 27.5-volt in-

supply

and

dication on multimeter.

28VDC.

allow time for

warm up.

Figure 4-2. Millivolt source test, test setup.

4-6. Millivolt Source Test

(fig. 4-2)

a. Test Equipment and Materials.

(1) Power supply, 28-volt dc.

( 2 ) Antenna Coupler, 437S-1/1A.

( 3 ) Multimeter ME-26B/U.

b. Test Connections and Conditions. Connect the test equipment as shown in figure 4-2.

4-3