Instruction Manual AquaMaster
Instrument overview
18
12745E/4
Technical data for the AquaScat 2 WTM:
DATA
VALUES
Measuring principle
Scattered light measurement
Measurement span
0 .. 4000 FNU
Wavelength
880 nm, compliant with DIN EN ISO 7027
Radiation class
LED device of Class 1 according to EN 60825-1
Measuring angle
90°
Resolution
0.001 FNU
Reproducibility
0 .. 10 FNU: ±0.002 FNU, or ±1% full scale at flow rate
2.5 .. 7 l/min (±3% at flow rate 1.3 .. 2.5 l/min)
10 .. 4000 FNU: ±1.5% at flow rate 3.5 .. 7 l/min
Repeatability
0.001 FNU or ±0.1% full scale
Outputs/Inputs
Outputs:
4 x 0/4 .. 20 mA, galvanically isolated to max. 50 V relative to
ground, load resistor max. 500 Ω.
With optional current output module 4 additional outputs (0/4
to 20mA) are available.
5 x digital outputs up to 30 VDC max., freely configurable.
2 relay contacts 250 V, 4 A
Inputs:
4 x digital inputs up to 30 VDC max., freely configurable.
Contactor for flow monitoring
2 x current inputs, 25 mA max.
Measuring ranges
8 ranges between 0 .. 0.1 and 0 .. 4000 FNU freely configurable
Interfaces
Ethernet, SD card (for logging, SW update, diagnostics)
Modbus TCP, optional Modbus RTU or Profibus DP
Display
¼ VGA with touchscreen
Resolution: 320 x 240 pixels with 3.5“ diagonal
Technical data for the AquaScat 2 WTM A (remaining data identical to AquaScat 2 WTM):
DATA
VALUES
Automatic adjustment
Photometer with automatic adjustment