Hewlett-Packard Digital Telemetry System

Specifications TRF Power Output +3 dBm (2 milliwatts) nominal ransmitter, Model M1400 Carrier Frequency Range 406 to 512 MHz (exact frequency fixed by option) Radio Channel Spacing 25 kHz Modulation Type Digital, frequency-shift keying Power Any standard size 9-volt battery may be used. Multi-level battery condition indication at central station. Weak battery indication occurs at 7.0 V, nominal. Replace battery indication occurs at 6.6 V, nominal.. Weak battery warning time is at least 1 hour. Dimensions (h x w x d) 4.65 x 2.62 x 1.09 in (118 x 67 x 28 mm) Weight 6.9 oz (195 g) with battery Defibrillator Protection Transmitter ECG input protected against 400 joules discharge into a 50-ohm load. Receiver, Model M1401 Outputs SDN system output standard. Analog output optional Input Voltage 100/120/220/240 V ac selectable ± 10% Power Consumption 100 VA maximum, 77 VA average; 85 W maximum, 61 W average with 8 receiver modules Controls Front Panel: power on/off. Rear panel: line voltage selector. Displayed at central station: lead selection, size control, alarm limits, suspend alarm, bed on/off, ECG bandwidth and ST controls (with options) Indicators Power on, instrument malfunction. Displayed at central station: no receiver, receiver malfunction, no signal, tel cannot analyze, replace battery, invalid signal E01, interference, leads off. Central Monitor, Models M2350 and M2360 Power Consumption Color: 4.0 Minimum @ 90 to 132V ac, 2.5 A max @180 to 264V ac. Monochrome: 2.5A max. @ 90 to 132V ac; 2.0 a max. @ 180 to 264 V ac. Power Requirements 90 to 132V ac, 180 to 264V ac; automatically selected Display Area Horizontal: 218 mm ± 2 mm (8.6 in ± 0.08 in). Vertical: 177 mm ± 3 mm (7 in ± 0.1 in) Physical Characteristics Computer Module – size: (h x w x d) 156 x 370 x 451 mm (6.1 x 14.6 x 17.8 in); weight: 12 kg (26.5 lbs). Display module – size: 342 x 370 x 451 m (13.5 x 14.6 x 17.8 in); weight: color: 19 kg (41.9 lbs), monochrome: 12 kg (26.5 lbs). Recorder Module – size: 99.6 x 73 x 97 mm (33.6 x 2.9 x 3.9 in); weight: 507.5 g (17.9 oz)