Philips 50 T Series, Service Manual

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Transducers and Cables
Chapter 2 - Technical Specifications
Transducers and Cables
There are two types of Toco, Ultrasound and DECG Transducers, the
Standard Series 50 and Telemetry Transducers. The Standard Transducers
have a 2.5m/8ft 2in ventilated cable and the Telemetry Transducers have a
70cm/28in ventilated cable.
Both types of Toco and Ultrasound Transducers are colored blue and are
watertight complying with IEC 529 (IP68)
External Blue Toco Transducers (M1355A) or (M1355A Opt. C03)
System : Passive Straingauge.
Dynamic Range: 0 to 12N (overload protected).
Weight: 180g (6.3oz).
Cable Length: 2.5m (8ft 2in) or 70cm (28in) for Option C03.
Water-tight : To a depth of 0.5 meters.
Blue Ultrasound Transducer (M1356A) or (M1356 Opt. C03)
System: Pulsed Doppler.
Oscillator Frequency: 998.4kHz.
Weight: 185g (6.5oz).
Cable Length: 2.5m (8ft 2in) or 70cm (28in) for Option C03.
Size: 75mm (2.95in) diameter.
Water-tight: To a depth of 0.5 meters.
Warning
Under no circumstances should the transducer be immersed in water
when connected to the Fetal Monitor.
Caution
Blue Toco Transducers have a ventilated cable. As liquid can enter this
cable through capillary action, extra care should be taken not to get the
connector wet.