Product BrochureTurbidity & Suspended Solids Probes and Meters

LAR LLC Provides Turbidity and Suspended Solids Probes and Meters for a Variety of Industrial and Municipal Applications

Turbidity and Suspended Solids are both measures of water quality. Turbidity measures side-scattered light in relatively clean water in Nephalometric Turbidity Units (NTU). In dirtier water, suspended solids measures light extinction across a gap in Grams per Liter (g/L).

From low-range turbidimeters for drinking water to durable, high temperature, industrial Suspended Solids probes, LAR LLC is likely to have a turbidity or suspended solids system to match your needs. Browse by measuring range and features to find the system that's right for your application.


MODEL MEASUREMENT RANGE(S) OPERATING TEMPERATURE WETTED MATERIALS
S461ST Suspended Solids and Turbidity 0-4000 NTU,
0-300 g/l
0 to 60°C SS, Quartz
S461/LT Turbidity, Low-Range 0-10 NTU
0-100 NTU
0 to 50°C PVC, Glass
S461/LT/
By-pass
Turbidity
Low-Range
0-10 NTU
0-100 NTU
0 to 50°C PVC, Glass
S461/LT/INS Turbidity
Low-Range,
Insertion-style
0-10 NTU
0-100 NTU
0 to 75°C PVC, Glass
S461/TN Turbidity 0-1000 NTU,
0-4000 NTU
0 to 50°C SS, PVC, Glass
S461/TN/SS Turbidity 0-1000 NTU,
0-400 NTU
0 to 75°C SS, Glass
S461/TN/INS Turbidity
Insertion-style
With Flange and lock
0-1000 NTU
0-4000 NTU
0 to 50°C SS, PVC,
Glass
S461/TN/INS/SS Turbidity 0-1000 NTU
0-4000 NTU
0 to 75°C SS, Glass
S461/S Suspended Solids 0 to 30 g/L 0 to 50°C SS, Epoxy Windows
S461/S/INS Suspended Solids 0 to 30 g/L 0 to 50°C SS, Epoxy Windows

S461ST

Suspended Solids and Turbidity
(Includes customizable calibration tables)


Measuring Ranges: 0-4000 NTU and 0-300 g/l
Accuracy: 5% of the measured value
Operating temperature: 0 to 60°C
Max Operating Pressure 5 Bar
Wetted Materials: SS, Quartz Windows
Cable: 10m cable and connector
Mechanical protection: IP68 Sensor+Cable

S461/LT

Low Concentration Turbidity Sensor, Immersion Style

90° scattered light measuring principle ISO 7027 / EN 27027


Wavelength: 880nm pulsed light method
Measuring Ranges: 0 to 10 NTU, 0 to 100 NTU
Resolution: 0.01 or 0.1 NTU
Accuracy: ±1 or 5%
Operating Temperature: 0 to 50°C
Max Operating Pressure: 4 bar
Material: PVC, Glass
Dimensions (Ø x L): 42x231mm. Cable 10m cable and connector.
Mechanical protection: IP68 Sensor+Cable

S461/LT/By-Pass

Low Concentration Turbidity sensor for By-pass installation

Requires PSS8-B1 Downflow probeholder

Wavelength: 880nm pulsed light method
Measuring Ranges: 0 to 10 NTU, 0 to 100 NTU
Resolution: 0.01 or 0.1 NTU
Accuracy: ±1 or 5%
Operating Temperature: 0 to 50°C
Max Operating Pressure: 4 bar
Material: PVC, Glass
Dimensions (Ø x L): 42x231mm. Cable 10m cable and connector.
Mechanical protection: IP68 Sensor+Cable

S461/LT/INS

Low Concentration Turbidity Sensor for Insertion in Pipe

Wavelength: 880nm pulsed light method
Measuring Ranges: 0 to 10 NTU, 0 to 100 NTU
Resolution: 0.01 or 0.1 NTU
Accuracy: ±1 or 5%
Operating Temperature: 0 to 75°C
Max Operating Pressure: 4 bar
Material: Stainless Steel, Glass
Dimensions (Ø x L): 42x231mm. Cable 10m cable and connector.
Mechanical protection: IP68 Sensor+Cable

S461/TN

Turbidity sensor immersion style 90° scattered light


Measuring principle: ISO 7027 / EN 27027
Wavelength: 880nm pulsed light method
Measuring ranges: 0-1000/4000NTU
Accuracy: ±2/5%
Operating temperature: 0 to 50°C
Max Operating Pressure: 4bar
Material: SS, PVC, Glass
Dimensions (Ø x L): 42x231mm
Cable: 10m cable and connector
Mechanical protection: IP68 Sensor+Cable






S461/TN/SS

Turbidity sensor immersion style


Same technical features of S461/TN, but Material: Stainless Steel, Glass. Operating temperature: 0 to 75°C

Measuring principle: ISO 7027 / EN 27027
Wavelength: 880nm pulsed light method
Measuring ranges: 0-1000/4000NTU
Accuracy: ±2/5%
Operating temperature: 0 to 75°C
Max Operating Pressure: 4bar
Material: SS, Glass
Dimensions (Ø x L): 42x231mm
Cable: 10m cable and connector
Mechanical protection: IP68 Sensor+Cable

S461/TN/INS

Turbidity Sensor, Insertion Style


Same technical features of S461/TN but complete with flange and lock to fix into the S305/INS insertion probe holder.

Measuring principle: ISO 7027 / EN 27027
Wavelength: 880nm pulsed light method
Measuring ranges: 0-1000/4000NTU
Accuracy: ±2/5%
Operating temperature: 0 to 50°C
Max Operating Pressure: 4bar
Material: SS, PVC, Glass
Dimensions (Ø x L): 42x231mm
Cable: 10m cable and connector
Mechanical protection: IP68 Sensor+Cable

S461/TN/INS/SS

Turbidity sensor insertion style

Same technical features of S461/TN/INS but Material: Stainless Steel, Glass. Operating temperature: 0 to 75°C.


Measuring principle: ISO 7027 / EN 27027
Wavelength: 880nm pulsed light method
Measuring ranges: 0-1000/4000NTU
Accuracy: ±2/5%
Operating temperature: 0 to 75°C
Max Operating Pressure: 4bar
Material: SS, Glass
Dimensions (Ø x L): 42x231mm
Cable: 10m cable and connector
Mechanical protection: IP68 Sensor+Cable

S461/S

Suspended Solids sensor


Measuring Principle: Light Absorbtion in accordance with Lambert Beer
Wavelength: 880nm pulsed light method
Measuring ranges: 0 to 30g/l Normal Sludge
Accuracy: ±0.3g/l
Operating temperature: 0 to 50°C
Max Operating Pressure: 4bar
Material: SS, Epoxy Windows
Dimension (Ø x L): 42x210mm Cable 10m cable and connector.
Mechanical protection: IP68 Sensor+Cable

S461/S/INS

Suspended Solids sensor. Complete with flange and lock to be fixed into the insertion probe holder S305/INS.


Measuring Principle: Light Absorbtion in accordance with Lambert Beer
Wavelength: 880nm pulsed light method
Measuring ranges: 0 to 30g/l Normal Sludge
Accuracy: ±0.3g/l
Operating temperature: 0 to 50°C
Max Operating Pressure: 4bar
Material: SS, Epoxy Windows
Dimension (Ø x L): 42x210mm Cable 10m cable and connector.
Mechanical protection: IP68 Sensor+Cable

S461/N

Turbidity down flow cell 90° Scattering Nephelometric cell

LED visible light emission.
Measuring Range: 0 to 100/1000 NTU (9.999 on request)
Resolution: 1 NTU
Accuracy: 3% Full Scale
Body Material: Black PVC
Connections: 1/2" Hose Inlet/Outlet connection.
Hydraulic feed: 0.1 to 200l/h max; 1 bar max.
Cable: Supplied with 10m cable with connector.
Flow Cell: ABS container for wall mounting dim. 450x615x210mm. (lxhxd)

ACCESSORIES

Downflow and Insertion probe holder for S461 Sensor


PSS 8‐B1 Downflow probe holder for SX461/LT by-pass installation flowswitch included, 5bar max. , 40°C, black beaker Inlet - Outlet dimensions 8x12mm
S305/INS Insertion probe holder Ball valve Assembly x S461 sensors Valve DN 40 with safety lock, Material Stainless steel, Viton O-ring.
S305/M Modular bypass probeholder for S461LT Probe Working Temperature: 0-50 °C Max working Pressure: 6 bar Flow rate: min 60l/h – max 100l/h Black PVC and plexiglass probeholder body Suitable for S461TN till 200NTU
Bypass tank for S461TN Probe Working Temperature: 0-50°C Max working Pressure: 0,5 bar Flow rate: min 60l/h – max 100l/h. PP material Dim cm. 40 x 40 x40 hydraulic connection 1” complete with probe holder support. Suitable for S461TN high concentration
PSS 8‐A Downflow probe holder for 3 electrodes Ø 12, flowswitch included, 2bar max., 40°C, transparent beaker. Inlet - Outlet dimensions 8x12mm
PSS 8‐AHP Downflow probe holder for 3 electrodes Ø 12, flowswitch included, 5bar max., 40°C, transparent beaker Inlet - Outlet dimensions 8x12mm


 
 
 
 
 
 
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