U.S. Department of Defense Test Sets Electron Tube TV-2A/U Manuel D’Utilisation

PLATE 

meter:

Type _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ DC voltmeter.

Sensitivity ----------------- 1,000 ohms per volt.

Voltage ranges. ---------------0 to 250 volts dc, with redlines at 45, 90, 180,

and 225.

0 to 50 volts ac, with 20 AC and 35 AC marked

in red.

Ohmmeter ranges ------------0.1 to 1.0 megohms.

Accuracy--------------  ±2 percent error at full scale.

SCREEN VOLTS meter:

Type ---------- -------------Dc voltmeter.

Sensitivity -----------------1,000 ohms per volt.

Voltage range ------------- 0 to 250 volts dc.

A c c u r a c y - - - - - - - - - - - - - ±2 percent error at full  scale.

SIGNAL meter:

Type--------------------- Ac iron vane-type ammeter.

Frequency range--------.50 to 1,000 cps.

Meter range------------45 ma ac full scale; redline at approximately

two-thirds full scale (35 ma ac).

A c c u r a c y - - - - - - - - - - - - - - - - ±5 percent error at full scale.

PERCENT QUALITY meter (transconductance):

Type------------------------ Dc microammeter.
Sensitivity-------------------10,000 ohms per volt (150 microamperes full-

scale deflection).

Percent quality ranges ------------ To 60,000 micromhos (in equivalent percentage

values).

Accuracy __________________ ±2 percent error at full scale.

c.  N u m b e r   o f   e l e c t r o n   t u b e s   - - - - - - - - - - - - - - - - - - - - - - - - - -   3