Справочник Пользователя для Fluke 2640A
2640A/2645A NetDAQ
Users Manual
A-4
Table A-2. 2640A/2645A Environmental Specifications
Specification
Characteristic
Warm-up Time
1 hour to rated specifications -or- 15 minutes if relative
humidity (non-condensing) is 50% or less.
humidity (non-condensing) is 50% or less.
Operating Temperature
-20
°
C to 60
°
C (-4
°
F to 140
°
F)
Storage Temperature
-40
°
C to +70
°
C (-40
°
F to +158
°
F)
Relative Humidity
90% maximum for -10
°
C to 28
°
C (14
°
F to 82.4
°
F)
75% maximum for 28
°
C to 35
°
C (82.4
°
F to 95
°
F)
50% maximum for 35
°
C to 60
°
C (95
°
F to 140
°
F)
(3 M
Ω
range, reduce humidity rating by 25% for 1 hour
warm-up. 3 M
Ω
range meets full humidity ratings with 2
hour warm-up.)
Altitude
Operating: 2,000m (6,561 ft) maximum
Non-operating: 12,200m (40,000 ft) maximum
Non-operating: 12,200m (40,000 ft) maximum
Vibration
0.7g at 15 Hz
1.3g at 25 Hz
3g at 55 Hz
1.3g at 25 Hz
3g at 55 Hz
Shock
30g half sine per Mil-T-28800E
Bench handling per Mil-T-28800E
Bench handling per Mil-T-28800E
2640A/2645A Input/Output Capabilities
A-5.
The following specifications include the input/output functions, including the
Digital I/O, Trigger Out, Trigger In, and Master Alarm output.
Digital I/O, Trigger Out, Trigger In, and Master Alarm output.
Digital I/O
A-6.
Table A-3 provides a summary of the Digital I/O specifications for the 8 Digital
I/O lines (0 to 7). Digital I/O is located on the DIGITAL I/O connector, terminals
0 to 7, and GND.
I/O lines (0 to 7). Digital I/O is located on the DIGITAL I/O connector, terminals
0 to 7, and GND.
Table A-3. 2640A/2645A DIGITAL I/O Specification
Specification
Characteristic
Maximum Input Voltage
30V
Minimum Input Voltage
-4V
Isolation
None (dc coupled)
Threshold
1.4V
Hysteresis
500 mV