2150EX AV Flow Module - Isco
2150EX AV Flow Module - Isco
2150EX AV Flow Module - Isco
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<strong>2150EX</strong> Area Velocity <strong>Flow</strong> System<br />
Section 1 Introduction<br />
Table 1-5 Technical Specifications – <strong>2150EX</strong> and 2191EX <strong>Module</strong>s<br />
(Zones 0, 1, and 2)<br />
Size (HWD)<br />
<strong>2150EX</strong> connected to 2191EX 22.6 28.0 19.3 cm 8.9 11.0 7.6 in.<br />
Weight<br />
(without batteries)<br />
(with lithium battery packs)<br />
(with lead-acid battery packs)<br />
Material<br />
3.00 kg 6.6 lb<br />
4.20 kg 9.2 lb<br />
7.10 kg 15.7 lb<br />
ABS plastic, stainless steel<br />
Enclosure (self-certified) NEMA 4X, 6P IP 68<br />
Power<br />
Typical Battery Life (estimated)<br />
(assumes 23°C; actual<br />
performance is affected by<br />
site conditions)<br />
Temperature<br />
Operating and Storage<br />
Surface Temperature<br />
Operating Atmospheric Pressure<br />
Program Memory<br />
<strong>Flow</strong> Rate Conversions<br />
Level-to-Area Conversions<br />
Channel Shapes<br />
Data Points<br />
Level-to-<strong>Flow</strong> Rate Conversions<br />
Weirs<br />
Flumes<br />
Manning Formula<br />
Data Points<br />
Equation<br />
Total <strong>Flow</strong> Calculations<br />
Data Storage Memory<br />
Capacity<br />
Data Types<br />
Storage Mode<br />
Storage Interval<br />
7.0 to 9.1 VDC, 120 mA typical at 8 VDC, 1 mA standby<br />
Level Velocity LTC2191EX SLA2191EX<br />
Data Storage Interval Lithium Batteries Rechargeable Lead-Acid Batteries<br />
15 minutes 49 months 157 days<br />
5 minutes 21 months 64 days<br />
2 minutes 8 months 31 days<br />
1 minute 4 months 18 days<br />
-40° to 60°C -40° to 140°F<br />
(lead-acid battery packs have an operating temperature of -20° to 60°C or -4° to 140°F)<br />
Maximum 135 °C / 275 °F; N. American/European classification of T4<br />
80 to 110 kPa (0.8 to 1.1 bar)<br />
Non-volatile, programmable flash; can be updated using PC without opening<br />
enclosure or entering hazardous area; retains user program after updating<br />
Up to 2 independent level-to-area and/or level-to-flow rate conversions<br />
Round, U-shaped, rectangular, trapezoidal, elliptical, with silt correction<br />
Up to 50 level-area points<br />
V-notch, rectangular, Cipolletti, <strong>Isco</strong> <strong>Flow</strong> Metering Inserts, Thel-Mar<br />
Parshall, Palmer-Bowlus, Leopold-Lagco, trapezoidal, H, HS, HL<br />
Round, U-shaped, rectangular, trapezoidal<br />
Up to 50 level-flow rate points<br />
2-term polynomial<br />
Up to 2 independent, net, positive or negative, based on either flow rate conversion<br />
Non-volatile flash; retains stored data during program updates<br />
395,000 bytes (up to 79,000 readings, equal to over 270 days of level and velocity<br />
readings at 15 minute intervals, plus total flow and input voltage readings at 24<br />
hour intervals). Bytes per reading is 5.<br />
Level, velocity, flow rate 1, flow rate 2, total flow 1, total flow 2, input voltage<br />
Rollover with variable rate data storage based on level, velocity, flow rate 1, flow<br />
rate 2, total flow 1, total flow 2, or input voltage<br />
15 or 30 seconds; 1, 2, 5, 15 or 30 minutes; or 1, 2, 4, 12 or 24 hours<br />
1-8
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