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Shanghai Yifeng Instrumentation & Equipment Co., Ltd.

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BrandAQUALABO
OriginFrance
ModelAPW
Measurement Principle950 nm Infrared Absorption
Wavelength950 nm (primary), 880 nm (for VB calibration)
Output Range0–100% VB (sludge interface visibility index)
Solids Concentration RangesVB5: 0–100 g/L, VB20: 0–7 g/L
Accuracy±2% of reading
Temperature CompensationAutomatic, Pt100 sensor integrated
Operating Temperature–10.0 to +60.0 °C
Sensor DimensionsØ43 mm (bottom), Ø25 mm (top), H210 mm
Sensor Weight400 g
Cable4-conductor shielded PU cable, standard 10 m (up to 100 m optional), 40 g/m
Sensor Housing MaterialDelrin®, polyurethane, and specialized optical glass
Sensor IP RatingIP68
Controller Power1 × 9 V alkaline battery (~2000 h typical life)
Controller EnclosureReinforced polyethylene with transparent IP67-rated cover
Controller Dimensions161 × 81 × 55 mm
Display3-digit LCD, 18 × 46 mm active area
Controller IP RatingIP65 (with IP67 cover installed)
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BrandAQUALABO
OriginFrance
ModelMES5
Measurement PrincipleInfrared Absorption (870 nm, 5 mm optical path)
SS Range0–50 g/L
Turbidity Range0–4000 FAU
Sludge Interface Range0–100 % IR transmittance
SS Resolution0.01 g/L
Turbidity Resolution0.01–1 FAU
Interface Resolution0.01–0.1 %
SS Accuracy<10%
Turbidity Accuracy±5% (200–4000 FAU)
Interface Accuracy±2%
Response Time<35 s
Temperature MeasurementNTC thermistor, –5.00 to +60.00 °C, ±0.5 °C accuracy, 0.01 °C resolution
Storage Temp–10 to +60 °C
IP RatingIP68
CommunicationModbus RTU over RS485 or SDI-12
Data Update Interval<1 s
Power Supply5–28 V DC
Standby Current25 µA @ 5 V
Active Current (RS485/SDI-12, 1 Hz)4.5 mA @ 5 V
Pulse Output Current100 mA (30 ms)
Heating Activation Time100 ms
Sensor Mass750 g
Housing MaterialsDelrin®, nickel-plated brass, EPDM elastomer
Pressure Rating5 bar
Cable Options9-pin waterproof connector with polyurethane jacket & bare leads, or Fisher waterproof connector
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BrandAQUALABO
OriginFrance
ModelSkidsens
Probe DimensionsØ28 mm × 190 mm
Connection3/4″ T-fitting
Cable Length1.5 m
Output4–20 mA (max. 250 Ω), fouling potential measurement
Power Supply24 VDC / 50 mA
Measured ParameterFouling Potential (0–1 u.a.)
Process Temperature Range0–60 °C (32–140 °F)
Max. Pressure5 bar (72.5 psi)
Minimum Flow Rate (for Ø25.4 mm pipe)>1000 L/h (>4.4 GPM)
Max. Temperature Ramp Rate10 °C/min
Ambient Operating Temperature5–50 °C
Relative Humidity0–90 % RH
CertificationCE
Housing MaterialsPVC, 316L stainless steel
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