TU 7685 Turbidity and suspended solids analyzer
Specifications
- Turbidity & suspended solids ranges: see table on technical data sheet
- Input from nephelometric probe – Method EN 27027 – ISO 7027 (infrared 890 nm)
- Analog output: 0-20 or 4-20 mA isolated. Programmable within the scale
- 2 set-point with min/max function, hysteresys and delay time programmable
- Min/max and set points timing alarm relay
- Fouling, dry cell and high external light alarm relay
- Dual software filter for more steady measures
- 3 software access levels, keyboard lock and access code number
- Operating mode: automatic and manual
- Autoclean relay with programmable cycle, cleaning and holding time programmable
- Power supply: 110/220 V, 5 VA
- Dimensions: 96x96x155 mm. DIN 43700
Technical Specifications
in addition to those common in the series 7685
Range TU 7685:
4.000/400.0 NTU – 40.00/4000 NTU
9.999/999.9 mg/l – 99.99/9999 mg/l of SiO2
9.999/999.9 ppm – 99.99/9999 ppm of SiO2
Range TU 7685.010:
4.000/400.0 NTU – 40.00/4000 NTU
4.000/400.0 mg/l – 40.00/4000 mg/l of SiO2
9.999/999.9 ppm – 99.99/9999 ppm of SiO2
Resolution:
0.05% of scale
Zero of the probe:
0.0/10.0 % f.s.
Sensitivity:
80.0/120.0 %
Filter software 90%RT:
5/220 s for small/large variations
Set point A/B:
ON-OFF
Hysteresis: 0/10 % of the scale
Relay delay: 0.0/99.9 s
Relay contacts: 5 A 220V
Low/high alarm: 0 to full scale
Autoclean: Manual/Auto+Manual
Analog output: 0-20/4-20 mA isolated
Response time: 10 s for 98% of input
R max: 600 ohm
Humidity: 95% without condensate
Power: 110/220Vac +/-10% 50/60 Hz 5VA max
Isolation: 4000V (IEC 348)
Dimensions: 96x96x155 mm (1/4 DIN)
Options
091.3713: Dual analog output
091.4141: 9/36VDC power supply
