Tektronix 070-7779-05, Руководство оператора

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370A Operator’s Manual
General Information Ć 27
Table 1-6 (cont'd)
Environmental Specification
Characteristics Performance Requirement
Installation category Installation Category CAT II (as defined in IEC 1010-1, Annex J)
Terminals on this product may have different installation category designations. The
installation categories are;
Category Descriptions
CAT III Distribution-level mains (usually permanently connected).
Equipment at this level is typically in a fixed industrial location
CAT II Local-level mains (wall sockets). Equipment at this level
includes appliances, portable tools, and similar products.
Equipment is usually cord-connected
CAT I Secondary (signal level) or battery operated circuits of electronic
equipment
Vibration (operating) A 15 minute sweep alongeach of three major axes at a total displacement of 0.003
inch pĆp (0.5 G at 55 Hz), with frequency varied from 10 Hz to 55 Hz to 10 Hz. Hold
10 minutes at each major resonance, or if no major resonance present, hold 10
minutes at 55 Hz.
Shock (nonĆoperating) 20 G, half sine, 11 ms duration, three shocks per axis in each direction for a total of
18 shocks.
Bench handling Meets MILĆSTDĆ810C, METHOD 516.2, PROCEDURE V (MILĆTĆ28800B Section
4.5.5.4.4) with floppy disk drive nonĆoperatingand vacant of media.
Packaged transportation drop Meets the limits of the National Safe Transit Association test procedure 1AĆBĆ2; 10
drops of 24 inches.
Packaged transportation vibration Meets the limits of the National Safe Transit Association test procedure 1AĆBĆ1;
excursion of 1 inch pĆp at 4.63 Hz (1.1 G) for 60 minutes.