Honeywell Chadwick-Helmuth 8500C Maintenance Manual page 23

Parameter
Speed
Averaging (in balance mode only)
Phase accuracy
Phase measurement method
Corrective action presentation
Timing resolution
Amplitude accuracy
Input power: printer/disk drive
Operating temperature: printer/disk drive
Printer
Mass storage
Dimensions
Weight
8520C Signal Selector
Input power
Velocimeter signal input levels
Input impedance
Magnetic pickup signal inputs
Table 1-4. Leading Particulars
8500C/C+ Balancer/Analyzer
1 spectrum per 3 seconds with 30,000 rpm range
(varies with Fmax).
8 most recent balance measurements averaged
excluding measurement outside one average
deviation
+2.0 degrees (electrical)
Synchronizing input (magnetic pickup or photocell
pickup), FasTrak optical tracker, or Strobex
Arbitrary vibration reduction action, e.g. blade
sweep, weight addition/subtraction, pitch-link
shortening/lengthening, etc. System undergoing
vibration reduction is displayed for reference.
Changes are specified in aircraft specific units.
Multiplane balance capabilities with Smart chart
software, i.e., multiple corrective actions presented
for multiple measurements.
+200 nanoseconds
15% depending on frequency offset from FFT BIN
center (includes effect of window)
12 to 28 VDC (28 VDC nominal)
-10°C to +55°C
Dot-matrix thermal printer
PC/MS-DOS version 3.X compatible, 3.5 inch
double-sided, double-density disk drive (720 KB).
8500C+ can also use 1.44 MB HD disk.
10.81 x 7.5 w x 4.0 h in. (27.4 1 x 19.1 w x 10.2 h
cm)
7.1 lbs (3.22 kg)
28 VDC
12 Channels, 0 to 375 ips
100K (unselected channel), 2.5K (selected channel)
4 channels, 0 to 12x10
8500C/8500C+ System Maintenance Manual 1-11
Related Publications
(Continued)
Characteristic
6
rpm