Fluke 5790B, Руководство по обслуживанию

Страница: 22 / 172

5790B
Service Manual
1-16
Operating Characteristics
Maximum Non-destructive Input ......................... 1200 V rms
Guard Isolation ................................................... 10 V peak
Volt-Hertz Product .............................................. 1 x 10
8
Frequency Accuracy (from 0 ° C to 50 ° C)
10 Hz - 120 Hz ................................................ 100 ppm + 10 digits
Above 120 Hz ................................................. 100 ppm + 2 digits
Frequency Resolution ......................................... 1.00 Hz to 119.99 Hz
0.1200 kHz to 1.1999 kHz
1.200 kHz to 11.999 kHz
12.00 kHz to 119.99 kHz
0.1200 MHz to 1.0000 MHz
1.0000 MHz to 1.1999 MHz
1.200 MHz to 11.999 MHz (Wideband only except 1.200 MHz
to 1.209 MHz)
30.00 MHz 30.00 MHz to 50.00 MHz (Wideband 5790B/5 & 5790B/AF
only)
Reading Rate
<40 Hz ............................................................ 2 seconds per reading
40 Hz .............................................................. 2 seconds decreasing linearly to 1 second at 200 Hz
>200 Hz .......................................................... 1 second per reading
Maximum Settling Time to Full Specifications (in range lock)
Filter Off .......................................................... 1 sample
dc ................................................................ 6 seconds
<200 Hz ...................................................... 8 seconds
>200 Hz ...................................................... 4 seconds
Filter Fast ........................................................ 4 averaged samples
dc ................................................................ 10 seconds
<200 Hz ...................................................... 16 seconds
>200 Hz ...................................................... 8 seconds
Filter Medium .................................................. 16 averaged samples
dc ................................................................ 22 seconds
<200 Hz ...................................................... 32 seconds
>200 Hz ...................................................... 16 seconds
Filter Slow ....................................................... 32 averaged samples
dc ................................................................ 40 seconds
<200 Hz ...................................................... 64 seconds
>200 Hz ...................................................... 32 seconds
Filter Buffer Restart Limits:
Fine: Fast: 10 counts
Medium/Slow
<220 mV ................................................. 10 counts
>220 mV ................................................. 100 counts
Medium: Fast: 100 counts
Medium/Slow
<220 mV ................................................. 100 counts
>220 mV ................................................. 1000 counts
Course: Fast: 1000 counts
Medium/Slow
<220 mV ................................................. 1000 counts
>220 mV ................................................. 10000 counts
Input Waveform .................................................. Specified for sinewave with THD less than 1 %