AquaScat 2 WTM
AquaScat 2 WTM
In-line turbidimeter with free-fall flow cell
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Description
The AquaScat 2 WTM measures turbidity of potable water according to IEC 27027 in a free-falling water stream. This contactless design eliminates window foiling and minimizes servicing to a minimum. Calibration check is performed with a calibration unit that is either mounted to perform the check or that is already built in (depending on variant).
Technical specifications
| Measuring principle: | 90° Scattered light according to ISO 7027/EN27027 |
| Light source: | LED 880 nm |
| Measuring span: | 0 .. 4‘000 FNU (WTM, WTM A, HT) 0 .. 100 FNU (P) |
| Measuring ranges: | 8, freely programmable |
| Resolution: | 0.001 FNU (WTM, WTM A, P); 0.1 FNU (HT) |
| Sample temperature: | 0 .. +40 °C |
| Ambient temperature: | –10 .. +50 °C |
| Humidity: | 0 .. 100% rel. |
| Protection: | IP 54 (WTM, WTM A, HT); IP 65 (P) |
| Power supply: | 18 .. 30 VDC, optional: 100 .. 240 VAC, 47 .. 63Hz |
| Power consumption max.: | 8 W |
| Installation models WTM/HT: | |
| Sample inlet/outlet: | Hoses of inner ø 12/25mm |
| Sample flow: | min. 1.3 l/min, atmospheric pressure |
| Material inlet/outlet: | SS 316L/PVC |
| Installation model P: | |
| Sample inlet/outlet: | Hoses of inner ø 16/16mm or GF-System G3⁄4" |
| Sample flow: | 0.2 .. 2 l/min |
| Pressure: | max. 10 bar @ 20 °C |
| Material: Cell/inlet&outlet: | POM/PVC |
| Control Unit: | |
| Display: | 1/4 VGA, 3.5" |
| Operation: | Touchscreen |
| Outputs: | 2 × 0/4 .. 20 mA, galv. isolated 2 × Relays 250 VAC, 4A |
| Inputs: | 1 × for optional flow meter 2 × 0/4 .. 20 mA |
| Digital interfaces: | Ethernet, Modbus TCP, SD-card |
| Optional: | Profibus DP, Modbus RTU |
