User's Manual

Fetal Monitoring

15-29

Recharging Batteries

1. The battery packs are enclosed in the top half of the Mermaid ultrasound and

Toco transducers (Figure 15-17). To remove the packs (a) from the transducer

elements, twist the pack counterclockwise. There will be a noticeable

movement. Simply pull the battery pack to disengage.

2. Insert a battery pack (a) in the docking station (e) on the recharger by aligning

the ridge with the red dot. The battery pack should fall into the docking station

with a noticeable movement.

Figure 15-17: Wireless transducer  Mermaid system

3. Twist the battery pack clockwise slightly to lock it into the docking station. The

bottom of the transducers do not need to be charged and should be stored

along with the transmit badge in the compartment located in the rear of the

recharger unit (f).

• Thoroughly dry the battery pack before inserting it into the

charger.

• The Mermaid battery charger may be used in the patient vicinity

if it is powered by one of the following certified, medical-grade,

power supplies:

- Ault, Model SW172; Rated Input: 100-240VAC, 0.75-0.35A,

50/60Hz; Rated Output: 12VDC, 2.75A (P/N 010-1554-00)

- Ault, Model VM100AMB1203B01; Rated Input: 100-250VAC,

0.3A, 50/60Hz; Rated Output: 12VDC, 0.85A (P/N 1043900-

108)

• These power supplies are designated Class I by the applicable

safety standards. Medical-grade, grounded outlets and power

cords are required to ensure patient safety margins.

• Three lights indicate a full charge and 8-hours (typical) of

operation. Two lights indicate that 2-hours (minimum) of

monitoring time is left. One light indicates that less than 2-hours

of monitoring time is left. When the one light starts to flash, less

than 15-minutes of battery capacity is left.