Specifications - Sigma 980 Operating And Maintenance Manual

Specifications

980 Flow Meter
Specifications are subject to change without notice.
General
Dimensions
Weight
Enclosure
Mounting
Graphics Display
Keypad
Totalizers
Measurement Modes
Data Logging
Electrical
Power Specifications
Power Requirements
Installation Category
Electrical Connection
Sampler Output
Environmental (for Controller)
Temperature Ranges
Humidity
Page 12
Specifications
14.62" H x 11.88" W x 8.26" D
7.62 kg (16.80 lb)
NEMA 4X, IP 66 with front cover closed, UV resistant
Wall mount and Rail/Pole mount
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: 19-position sealed-membrane switch including four "soft keys," functions
defined by display.
8-digit resettable and 8-digit non-resettable software
Units: ft³, gal, m³, liter, acre-ft
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.
n
Q = K H
Power Equation:
1
"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
0.25 amp maximum
100–230 V ac, 50/60 Hz, single phase, 15 W max (0.25 amp max)
II
Seven 0.5 in. hubs, One 1.0 in. hub
15 V dc, 100 mA at 500 ms duration
Storage: -20 °C to 70 °C (-4 °F to 158 °F)
Operating: -20 °C to 50 °C (-4 °F to 122 °F)
0–90%, Non-condensing
n
1 2
±
K H
2
Specs.fm