Specification—2246 1Y and 2246 Mod A Service
Table 1-2
Environmental Characteristics
Characteristics
Description
STANDARD INSTRUMENT
Environmental Requirements
Instrument meets or exceeds the environmental requirements
of MIL-T-28800D for Type III, Class 3, Style D equipment,
as described below.3
Temperature
Operating
-10°C to +55°C (+14°F to +131 °F ).
Non-operating
-51 °C to +71 °C (- 6 0 ° F to +160°F).
Tested to MIL-T-28800D paragraphs 4.5.5.1.3 and 4.5.5.1.4,
except in 4.5.5.1.3, steps 4 and 5 (-10 °C operating test) are
performed ahead of step 2 (-51 °C non-operating test).
Equipment shall remain off upon return to room ambient during
step 6. Excessive condensation shall be removed before
operating during step 7.
Altitude
Operating
To 4,572 m (15,000 ft). Maximum operating temperature
decreases 1°C per 1000 ft above 5000 ft.
Non-Operating
To 15,240 m (50,000 ft).
Exceeds requirements of MIL-T-28800D, paragraph 4.5.5.2.
Humidity (Operating and
Non-operating)
Five cycles (120 hours) referenced to MIL-T-28800D
paragraph 4.5.5.1.2.2, for type III, class 3 instruments.
Non-operating and operating at 95%, -0% to +2% relative
humidity. Operating at +30°C and +55°C for all modes of
operation. Non-operating at +30°C to +60°C.
Radiated and conducted Emission
required per VDE 0871
Meets Category B.
Electrostatic Discharge
Withstands discharge of up to 20 kV. Test performed
with probe containing a 500 pF capacitor with 1 K fl
series resistance charged to the test voltage.
Conforms to Tektronix Standard 062-2862-00.
a P e rfo rm a n c e n o t c h e c k e d in m a n u a l.
Summary of Contents for 2246 1Y
Page 13: ...2246A Service 7062 01 X The 2246 1Y or 2246 Mod A Portable Oscilloscope ...
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Page 304: ...A D D J U N 1991 ...
Page 311: ...2246 1Y and 2246 Mod A Service WAVEFORMS FOR DIAGRAM 1 0 V r l III B f e I l i 6555 39 ...
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