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FL900 Series Flow Logger - Hachflow

FL900 Series Flow Logger - Hachflow

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Figure 2 Connectors—side 2<br />

1 Sensor (FL904 only) 3 Antenna option (all but <strong>FL900</strong>)<br />

2 Sensor (FL904 only) 4 Rain gauge (all but <strong>FL900</strong>)<br />

Product components<br />

Make sure that all the components that follow have been received. If any items are missing or<br />

damaged, contact the manufacturer or a sales representative immediately.<br />

• <strong>Logger</strong><br />

• Cable, suspension<br />

• D-ring with threaded loc<br />

• Batteries, 6 V alkaline (4x)<br />

Apply power to the <strong>Logger</strong><br />

Install the batteries<br />

W A R N I N G<br />

Explosion hazard. Incorrect battery installation can cause the release of explosive gases. Be sure that<br />

the batteries are of the same approved chemical type and are inserted in the correct orientation. Do not<br />

mix new and used batteries.<br />

W A R N I N G<br />

Fire hazard. Battery substitution is not permitted. Use only alkaline batteries.<br />

N O T I C E<br />

Do not over-tighten the cover. Tighten until the cover just touches the O-ring, then tighten one-quarter to one-half<br />

turn maximum from O-ring contact. Keep the O-ring lubricated with silicone grease.<br />

The instrument can use two or four 6 V batteries for power. Use two batteries for short-term use or<br />

four batteries for long-term use (for battery life, refer to Specifications on page 3). When only two<br />

batteries are used, put both batteries on the same side of the compartment (A-A or B-B). Refer to the<br />

illustrated steps that follow.<br />

Changes in temperature and pressure can cause the battery compartment cover to be difficult to<br />

remove by hand. If this occurs, a tool can be used to remove the cover (Figure 3).<br />

English 9

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