Hach FL900 Series, Basic User Manual

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Table of contents
Specifications on page 3 Basic setup on page 21
General information on page 4 Site installation on page 22
Apply power to the Logger on page 9 Maintenance on page 23
System startup on page 12 Troubleshooting on page 24
Program a unit equipped with a modem on page 15 Replacement parts and accessories on page 25
Modbus communication on page 20
Additional information
Additional information is available on the manufacturer's website.
Specifications
Specifications are subject to change without notice.
Specification Details
Dimensions (W x D x H) 25.4 x 22 x 40 cm (10.0 x 8.7 x 16.0 in.)
Enclosure PC/ABS structural foam
Environmental rating NEMA 6P/IP68 (24 hours at 1.8 m (6 ft) submersion)
Weight (model FL900) 4.5 kg (10 lb) with no batteries, 6.3 kg (14 lb) with 2 batteries and 8.2 kg (18 lb)
with 4 batteries
Operating temperature –18 to 60 ºC (0 to 140 ºF) at 95% RH
Storage temperature –40 to 60 ºC (–40 to 140 ºF)
Power requirements 8 to 18 VDC from batteries or external power source, 2.5 W max
Battery life Varies with sensor type, logging intervals, telemetry and environment.
For a 15 minute logging interval, with no modem, four 6 V lantern batteries at
room temperature:
• Flo-tote 3 sensor 306 days
• Area Velocity sensor with AV9000 Analyzer 296 days
• Flo-Dar sensor 185 days
• Ultrasonic sensor 456 days
Note: For longer deployments use with Long Life Battery, PN 8542900.
Installation category I
Protection class III
Pollution degree 4
Sensor ports 1, 2 or 4 ports
Connectors Stainless steel connectors
Datalog channels 16 maximum
Alarms Maximum of 16 channel alarms with high/high, high, low, low/low options.
System alarms include low battery, low RTC battery, low slate memory, slate
memory full, sensor time out, sensor ID.
English 3