12 Chadwick-Helmuth Company, Inc.
Chapter 2 - System Overview
Coupling Type - dc
Interface Specifications
Vibration transducer 2-each, Model 7310 Velocimeter
(19 mV/IPS sensitivity)
Magnetic pickup/
tachometer
2-each, pulse input, magnetic pickup or
logic type
PC or printer 1 serial, RS-232, 9600 baud
Accessory power 4-each, D-cell batteries, reverse-polarity,
circuit-protected and fused
Physical Particulars
Dimensions (including
mounting flanges)
Nominal measurements (in inches) are
• Height - 7.38
•Width - 7.25
• Depth - 1.81
Weight 3.5 lb nominal
Mating connector type
(PC to printer)
D-sub, 9-pin
Power requirement 3 to 6.4 Vdc, 250 mA
Battery life (typical) 40 hr
Case material Aluminum alloy
Characteristic Specifications (Continued)
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