Heath Consultants Heath Data Recorder (HDR) - Manual (Page 4)

4
External Power Connector
Heath Data Recorder (HDR) Overview
The HDR is a microprocessor based, self-contained system designed for the purpose of process monitoring using integral
pressures and temperatures. Figures 1 illustrates the location of major components and user interface items.
Figure 1: General configuration of the HDR
LCD
Display
Scroll Button
(on bottom)
External Modem cable Port
Temperature probe
Ports 1 & 2
Pressure Ports 1, 2, 3
RS232 PC Comm.
port
Back-up Battery (under cover)
Primary Battery
Modem Battery (If equipped)
Internal 2400 baud Modem
(If equipped)
Earth Ground Stud
(on bottom)
Primary Battery Connector
1
2
3