Heath Consultants GT Series - Manual (Page 146)

12-22
USER HANDBOOK
Standard Instrument Charger (Universal Plug)
(Part No. 67134)
The instrument should be left overnight connected to the
standard charger to recharge discharged batteries. This
period may vary depending upon operational conditions
such as temperature and the condition of the batteries in
terms of capacity. The charger is shown connected to
the instrument and mains supply in Fig. 12.17.
Fig. 12.17 Instrument Connected to Standard Charger