PHILIP FM20/FM30 Fetal Monitor ECG Cable

MODEL:M2735A

Compatible with: Avalon Toco⁺ MP wired fetal/maternal smart transducer

OEM part no.: M2735A (equivalent 989803143681; status: legacy/no longer sold new by PHILIP)

Compatible monitors: Avalon FM20, FM30, FM40, FM50 (plugs into any of the 4 fetal sensor D-sockets)

Measurements:

• External Toco (uterine activity, strain-gauge)

• Built-in Smart Pulse (maternal pulse, always active → feeds Cross-Channel Verification)

• Via 7-pin D-type aux port + adapter: DECG​ (direct fetal ECG), MECG​ (maternal ECG, FM30 only), IUP​ (intrauterine pressure, FM30 + K52 adapter)

Main connector: D-shaped plug-and-play to fetal monitor socket

Auxiliary connector: 7-pin D-type for DECG/MECG/IUP adapter cables (e.g. DECG legplate 989803137651, MECG cable M1363A/K53, IUP cable 989803143931)

Diameter: 83 mm (3.27 in)

Weight (head only, no cable): 0.2 kg (0.5 lb)

Trunk cable: typical 2.5 m, gray medical TPU, 4 mm dia., 8-pin D distal (third-party repair cables often 10 ft / 3 m)

Electrical safety class: Type CF (fetal application)

Ingress protection: IP68 (immersible to 1 m for 5 h)

Drop resistance: 1 m drop to concrete, cosmetic damage only

Identification: optical finder LED

Toco performance: auto offset to 20 units 3 s after connect; auto-zero on negative value for 5 s; range 0–127 units

ECG signal specs (with adapter):

• DECG input: 20 µVpp – 6 mVpp

• MECG input: 150 µVpp – 6 mVpp

• Filter bandwidth: 0.8 – 80 Hz

• Leads-off current: <100 µA

• Defibrillator protection: none; ESU protection: none

Environment: op 0–40 °C, <95% RH @40 °C, alt −500–3000 m; storage/transit −20–60 °C, <90% RH @60 °C, alt −500–13100 m

Material: latex-free, non-sterile, multi-patient reusable head (adapters/electrodes per their own single/limited-use class)