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Specifications
Specs.fm
Specifications
980 Flow Meter
Specifications are subject to change without notice.
General
Dimensions 14.62" H x 11.88" W x 8.26" D
Weight 7.62 kg (16.80 lb)
Enclosure NEMA 4X, IP 66 with front cover closed, UV resistant
Mounting Wall mount and Rail/Pole mount
Graphics Display
Graphics Display: Back-lit liquid crystal display (LCD). 8 line × 40 character in text
mode, 64 × 240 pixels in graphics mode. Displays level vs. time, flow vs. time, rainfall
vs. time, pH, and temperature.
Keypad
Keypad: 19-position sealed-membrane switch including four “soft keys,” functions
defined by display.
Totalizers
8-digit resettable and 8-digit non-resettable software
Units: ft³, gal, m³, liter, acre-ft
Measurement Modes
Flumes: Parshall, Palmer Bowlus, Leopold-Lagco, H, HL, HS, Trapezoidal
Weirs: V-notch, Contracted/Non-contracted rectangular, Thel-mar, Compound
Cipolletti, Compound V-notch
Manning Equation: Round, U, Rectangular, and Trapezoidal Channels
Head vs. Flow: Two independent user-entered look-up tables of up to 100 points each.
Level only: Inches, feet, centimeters, meters
Area Velocity: Level-area table, circular pipe, U-shaped channel, trapezoidal channel,
rectangular channel.
Power Equation:
Data Logging
“Smart” Dynamic memory allocation automatically partitions memory to provide the
maximum logging time. No manual memory partitioning required.
Capacity: Up to 456k bytes, 402 days of level, velocity, and rainfall readings at
15 minute intervals plus 300 events.
Memory Mode: Wrap-around
Data Points: 116,000 data points
Daily statistics: Available for up to 32 days
Recording Intervals: 1, 2, 3, 5, 6, 10, 12, 15, 20, 30, 60 minutes
Time base accuracy: ± 6 seconds (0.007%) per day
Electrical
Power Specifications 0.25 amp maximum
Power Requirements 100–230 V ac, 50/60 Hz, single phase, 15 W max (0.25 amp max)
Installation Category II
Electrical Connection Seven 0.5 in. hubs, One 1.0 in. hub
Sampler Output 15 V dc, 100 mA at 500 ms duration
Environmental (for Controller)
Temperature Ranges
Storage: -20 °C to 70 °C (-4 °F to 158 °F)
Operating: -20 °C to 50 °C (-4 °F to 122 °F)
Humidity 0–90%, Non-condensing
QK
1
H
n
1
K
2
H
n
2
±=
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