Table of Contents
Advertisement
2150EX Area Velocity Flow Module
Section 1 Introduction
Table 1-5 Technical Specifications – 2150EX and 2191EX Modules
Size (H×W×D)
2150EX connected to 2191EX 22.6 × 28.0 × 19.3 cm
Weight
(without batteries)
(with lithium battery packs)
(with lead-acid battery packs)
Material
Enclosure (self-certified)
Power
Batteries
Typical Battery Life (estimated)
(assumes 23°C; actual
performance is affected by
site conditions)
Operating Temperature
Storage Temperature
Program Memory
Flow Rate Conversions
Level-to-Area Conversions
Channel Shapes
Data Points
Level-to-Flow Rate Conversions
Weirs
Flumes
Manning Formula
Data Points
Equation
Total Flow Calculations
Data Storage Memory
Capacity
Data Types
Storage Mode
Storage Interval
Setup and Data Retrieval
Baud Rate
1-8
(Zones 0, 1, and 2)
3.00 kg
4.20 kg
7.10 kg
ABS plastic, stainless steel
NEMA 4X, 6P
7.0 to 9.0 VDC, 100 mA typical at 8 VDC, 1 mA standby
LTC2191EX lithium or SLA2191EX lead-acid batteries, quantity 2 battery packs
Level Velocity
Data Storage Interval
Lithium Batteries
15 minutes
5 minutes
2 minutes
1 minute
-40° to 60°C
(lead-acid battery packs have an operating temperature of -20° to 60°C or -4° to 140°F)
-40° to 60°C
Non-volatile, programmable flash; can be updated using PC without opening
enclosure or entering hazardous area; retains user program after updating
Up to 2 independent level-to-area and/or level-to-flow rate conversions
Round, U-shaped, rectangular, trapezoidal, elliptical, with silt correction
Up to 50 level-area points
V-notch, rectangular, Cipolletti, Isco Flow Metering Inserts, Thel-Mar
Parshall, Palmer-Bowlus, Leopold-Lagco, trapezoidal, H, HS, HL
Round, U-shaped, rectangular, trapezoidal
Up to 50 level-flow rate points
2-term polynomial
Up to 2 independent, net, positive or negative, based on either flow rate conversion
Non-volatile flash; retains stored data during program updates
395,000 bytes (up to 79,000 readings, equal to over 270 days of level and velocity
readings at 15 minute intervals, plus total flow and input voltage readings at 24
hour intervals). Bytes per reading is 5.
Level, velocity, flow rate 1, flow rate 2, total flow 1, total flow 2, input voltage
Rollover with variable rate data storage based on level, velocity, flow rate 1, flow
rate 2, total flow 1, total flow 2, or input voltage
15 or 30 seconds; 1, 2, 5, 15 or 30 minutes; or 1, 2, 4, 12 or 24 hours
Serial connection to IBM PC or compatible computer with Isco Flowlink Software
Version 4.16 or greater
38,400
8.9 × 11.0 × 7.6 in.
6.6 lb
9.2 lb
15.7 lb
IP 68
LTC2191EX
Rechargeable Lead-Acid Batteries
49 months
21 months
8 months
4 months
-40° to 140°F
-40° to 140°F
SLA2191EX
157 days
64 days
31 days
18 days
Advertisement
Table of Contents
