Flow & Current Meters

AquaCalc Pro Open Channel Flow Computer

Specifications

Operational Characteristics:

5 x 5 Membrane switch keypad
2.6” x 2.6” display (16 lines x 20 characters)
User selectable audible tone on key press
User selectable audible tone on meter rotation
Storage of up to 30 separate streams in flash memory
Operating system upgrades via Internet / e-mail
Operation with mechanical, electronic and optical meters
Timing Accuracy 0.005%
ASCII standard data transfers

Section Storage Capabilities:

Total Sections (Cross-sections): 30
Braided streams are allowed.
60 verticals/subsections per Section:
Up to 3 observations/measurements per subsection (0.2, 0.6, 0.8)

Current Meter Compatibility:

Type AA Magnetic Head
Pygmy Magnetic Head
Cat Whisker Head
Optical (Swoffer, Gurley & Ott)

Storage capacity for 10 meters in memory, pre-loaded with default standard specifications.
User can customize all meter specifications.

Physical Characteristics:

Water resistant ABS enclosure with protective display lens and case seals.
Dimensions: 3.9” X 7.7” X 1.5”
Weight: 1.1 lbs.
Operating Temperature: -20C to 70C
Power Supply: (2) 9-volt batteries
Main Battery Life: 30 hours at 20C
Operating current: 55 mA
Real Time Clock with separate 5-year Battery
ASCII RS232 Serial port bi-directional communications

System Information:

CPU: Intel 87C51
Flash Database Memory: 128 KBytes
Flash Program Memory: 64 KBytes
SRAM operating Memory: 32 KBytes
Stop Watch Timer Accuracy: 0.005%