Figure 4 Instrument components—HL7 sonde
1 AC power adapter
8
2 Calibration cable
3 HL7 sonde
4 D-cell alkaline batteries (4x)
5 Silicone grease packet, 0.25 oz
Startup
Install the battery—HL4 sonde
Explosion hazard. Incorrect battery installation can cause the release of explosive gases. Be sure that
the battery is of the approved chemical type and is inserted in the correct orientation.
For instruments with an internal battery pack, install the supplied D-cell battery. Refer to
Figure 5 Install the battery
8 English
6 Sensor maintenance kit(s)
7 Hydrolab Operating Software DVD
8 USB communications module
9 Sensor guard with weight
W A R N I N G
10
Figure
5.