TM 55-4920-328-13 Table  1-3.  Leading Particulars of Test Trailer Assembly - Continued. Figure and Index No. Vertical Tape Indicator Assembly 1A3 (Cont) Torque Limits 0-30,000 in.-lb 0-60,000 in.-lb Torque Channel Excitation 15v dc Torque Channel Output 18mv dc Operating Temperature Range 0 -50°C 11, Figure Thermocouple Junction 1A9 1-22 Width19.00 in. Height 4.00 in. Depth8.22 in. Weight 20 lb (max) Input Voltage 117v ac, 60 Hz Power Requirements 10 w Reference Temperature 150F 1F Operating Temperature -30F to 130F Overload Protection 0.75-amp fuse Input Temperature Channels 1 thru 4 chromel-alumel 5 thru 24 iron-constantan 14, Figure Data Multiplexer 1A5 1-22 Width 19.00 in. Height 5.25 in. Depth 17.12 in. Input Voltage Relay Coils 24 to 28v dc Synchro to dc Converter 26v, 400 Hz and 120v, 60 Hz Number of Relays 45 Relay Types 1 thru 23 3pst 24 thru 43 5pst Switching Time Span 3 msec (max) Output (Relays 24 15v, 50 ma dc (max) thru 43) 1,6, Figure Speed Monitor Chassis Assembly 2A1 1-23 Width 19.00 in. Height 8.70 in. Depth 13.50 in. Weight 30 lb (approx) Input Power Requirements 117v ac, 60 Hz Input Range 2 to 10k Hz Sensitivity 0.01 volt rms sine wave 1-78