Product BrochureTurbidity Probes and Turbidity Meters

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

Insertion-style and Immersion-style, with a variety of measuring ranges and process environments

From sanitary turbidimeters for food and beverage applications to durable, high temperature turbidity probes, LAR LLC is likely to have a turbidity system to match your needs. Browse by measuring range and features to find the system that's right for your application.

down arrow  4261 Turbidity Analyzer, wall mount 144x144mm - 0.00 - 10.00 / 100.0/1000 FTU

PN: 9710619410
4261 Turbidity Analyzer. Wall mounting 144x144
Measuring ranges: 0.00 - 10.00 / 100.0/1000 FTU to be set by the operator via keyboard.
Resolution: ± 0.1 / ± 1 FTU/NTU Accurancy: 0.5% f.s.
Graphic display to visualize simultaneously: measurement, temperature, analog and digital outputs (set point) condition, alarms.
Internal data logger (16,000 records). Tabular or graphic stored data display with maximum, min/max and average values.
Programming key pad with 5 keys. Function keys for direct access to the calibration menu and to the graphs of the stored measure.
PID regulation to be set for analog or digital output (PWM or Frequency).
Two digital Outputs for setpoint, with programming of working range and activation time.
Digital output for Alarm: min/max, delay of set point, residence time (live check), malfunction.
Digital output to be set for: Temp. setpoint or to control time/interval of electrode rinsing cycle.
Digital input to be set for: external command of electrode rinsing cycle or for dosing inhibition
0/4 to 20mA primary output with limits that can be programmed within the measurement range.
0/4 to 20mA secondary output programmable among: temp./meas. repetition/PID function.
RS485 serial output with MODBUS RTU protocol.
Able to simulate the outputs via a keyboard.

Hardware technical features:
Graphic display LCD STN 128x64 back-lighted. 5 keys programming keyboard.
Data logger with Flash memory 4 Mbit ( 16.000 records), Type: f.i.f.o. or filling
n. 2 analog outputs 0/4÷20mA 500Ohm galvanically isolated
n. 4 digital outputs– Dry contact Relay
n. 1 digital input - Active and already supplied
n. 1 RS 485 serial output MODBUS protocol
Power supply 100-240Vac 47÷63Hz
ABS container for wall mount. Mech. protection IP66 Dim. mm. 144x144x122,5 (p) Weight Kg. 0.9
Complete with S461/N Nephelometric down flow cell, 90° Scattering Nephelometric cell.
LED visible light emission, photoresistor detector.
Black PVC body. Debubbler system included. Hydraulic feed: 1 bar max, 200l/h max flow.
Supplied with 10m cable with plug for fast connection with 4261 Analyzer.
ABS container for wall mounting dim. 440x580x210mm. (lxhxd)

 

down arrow  4261 Turbidity Analyzer, panel mount 144x144mm - 0.00 - 10.00 / 100.0/1000 FTU

PN: 9710619400
4261 Turbidity Analyser. Panel mounting 144x144
Same technical features as for 4261. Grey ABS case for panel mounting.
Dim. mm 144x144x61,0 (p) Weight Kg. 0.9

 

down arrow  4261 Turbidity Analyser. Panel mounting 96 x96 - 0.00 - 10.00 / 100.0/1000 FTU

PN: 9710619450
4261 Turbidity Analyser. Panel mounting 96 x96
Same technical features as 4621 but LCD STN 57x30 back-lighted graphic display.
Black ABS case for panel mount. Mech. Protection IP 20. Dim. mm 96x96x123 (p) Weight Kg. 0.9

PN: 9400970000
Internal USB port to download stored data via USB flash memory

PN: 9400970001
Internal Supply board 24V ac/dc
Calibration Plate for S461/N cell

 

down arrow  4262 Turbidity Analyzer. Wall mount 144x144mm, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710613010
4262 Turbidity Analyzer. Wall mount 144x144mm for drinking, raw or clarified water
Measuring ranges: 0.000 - 1.000 / 10.00 / 100.0 FTU to be set by the operator via keyboard.
Resolution: ± 0.01 / ± 0.1 / ± 1 FTU/NTU
Accurancy: 0.5% f.s.
Graphic display to visualize simultaneously: measurement, temperature, analog and digital outputs (set point) condition, alarms.
Internal data logger (16,000 records). Tabular or graphic stored data display with maximum, minimum and average values.
Programming key pad with 5 keys. Function keys to direct access to the calibration menu and to the graphs of the stored measure.
PID regulation to be set for analog or digital output (PWM or Frequency).
Two digital Outputs for set point, with programming of working range and activation time.
Digital output for Alarm: min/max, delay of set point, residence time (live check), malfunction.
Digital output to be set for: Temperature set point or to control the rinsing cycle of the electrode with time and interval programming.
Digital input to be set for: external command of electrode rinsing cycle or for dosing inhibition
0/4 to 20mA primary output with limits that can be programmed within the measurement range.
0/4 to 20mA secondary output programmable for: temperature/meas. repetition/PID function.
RS485 serial output with MODBUS RTU protocol.
Ability to simulate the outputs via a keyboard.
Hardware technical features:
Graphic display LCD STN 128x64 back-lighted. 5 keys programming keyboard.
Data logger with Flash memory 4 Mbit ( 16.000 records), Type: f.i.f.o. or filling
n. 2 analog outputs 0/4÷20mA 500Ohm galvanically isolated
n. 4 digital outputs– Dry contact Relay
n. 1 digital input - Active and already supplied
n. 1 RS 485 serial output MODBUS protocol
Power supply 100-240Vac 47÷63Hz
ABS container for panel mount. Mech. protection IP66 Dim. mm. 144x144x122.5 (p). Weight Kg. 0.9

 

 

down arrow  4262 Turbidity Analyzer. Panel mounting 144x144, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710613000
4262 Turbidity Analyzer. Panel mounting 144x144
Same technical features as for 4262. Gray ABS case for panel mounting .
Dim. mm 144x144x61.0 (p) Weight Kg. 0.9

 

down arrow  4262 Turbidity Analyzer. Panel mounting 96 x 96, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710613050
4262 Turbidity Analyzer. Panel mounting 96 x 96
Same technical features as for 4262 but LCD STN 57x30 back-lighted graphic display:
Black ABS case for panel mount. Mechanical Protection IP 20. Dim. mm 96x96x123 (p) Weight Kg. 0.9

 

down arrow  Measuring cell for 4262

PN: 9500580060
S462 PVC turbidimetric measurement cell to be assembled on a by-pass pipe, PVC body.
Threaded connections 2.5-inch GAS, Max operating pressure 6 bar. Projector and photosensor assembly placed at 180°, installed on PVC supports.Equipped with cable from 5 m for connection with 4262 meter.

 

down arrow  Beverage Turbidity Analyzer, wall mount 144x144, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710617010
4264 Turbidity Analyzer. Wall mounting 144x144
for beverage industry application
Measuring ranges: 0.000 - 1.000 / 10.00 / 100.0 FTU to be set by the operator via keyboard.
Resolution: ± 0.01 / ± 0.1 / ± 1 FTU/NTU Accurancy: 0.5% f.s.
Pre-set for S462INOX connection

Same features as 4262

 

down arrow  Beverage Turbidity Analyzer, panel mount, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710617000
4264 Turbidity Analyzer. Panel mounting 144x144
Same technical features as for 4264.
Gray ABS case for panel mounting .
Dim. mm 144x144x61,0 (p) Weight Kg. 0.9

 

down arrow  4264 Turbidity Analyzer, panel mount 96 x96, 0.000 - 1.000 / 10.00 / 100.0 FTU

PN: 9710617050
4264 Turbidity Analyzer. Panel mounting 96 x96
Same technical features as for 4262 but LCD STN 57x30 back-lighted graphic display:
Black ABS case for panel mounting. Mechanical Protection IP 20. Dim. mm 96x96x123 (p) Weight Kg. 0.9

 

down arrow  Measuring cells for 4264

Measuring cells for 4264

PN: 8110140000
S462 INOX turbidimetric measurement cell to be assembled on a by-pass pipe, INOX 316 steel body with black Teflon lining.
Threaded connections 2.5-inch GAS . Max operating pressure 6 bar. Preset for an anticondensate system (mod. S360) Projector and photosensor assembly placed at 180°, installed on flanged INOX 316 steel supports equipped with cable from 5m for connection with 4264

 

down arrow  S462/INOX/DIN Teflon-lined by-pass cell, INOX 316 steel body

PN: 8110140002
S462/INOX/DIN turbidimetric measurement cell to be assembled on by-pass pipe, INOX 316 steel body with black Teflon lining.
Threaded connections DIN 1185 DN 50. Max pressure 6 bar.
Preset for an anticondensate system (mod. S360) Projector and photosensor assembly placed at 180°, installed on flanged INOX 316 steel supports equipped with cable from 5m for connection with 4264

 

down arrow  Options for 4262/64 version 144 x 144

Optional for 4262/64 version 144 x 144

PN: 9400970000
Internal USB port to download stored data via USB flash memory

PN: 9400970001
Internal Supply board 24V AC/DC

 

down arrow  4263 Turbidity/Suspended Solids Analyzer. Wall mounting 144x144

PN: 9710614010
4263 Turbidity/Suspended Solids Analyzer. Wall mounting 144x144
Measuring ranges: 0 to 9.999 NTU or g/l in reference with the connected sensor.
Graphic display to visualize simultaneously: measurement, temperature, analog and digital outputs (set point) condition, alarms. Internal data logger (16.000 records). Tabular or graphic stored data display with maximum, minimum and average values. Programming key pad with 5 keys. Function keys to direct access
to the calibration menu and to the graphs of the stored measure.
PID regulation to be set for analog or digital output (PWM or Frequency ).
Two digital Outputs for set point, programmable for range and activation time.
Digital output for Alarm: min/max, delay of the setpoint, residence time (live check), malfunction.
Digital output: programmable for temp. setpoint or control time & interval of electrode rinse cycle.
Digital input to be set for: external command of electrode rinsing cycle or for dosing inhibition 0/4 to 20mA primary output with limits that can be programmed within the measurement range.
0/4 to 20mA secondary output programmable for: temp., meas. repetition or PID function.
RS485 serial output with MODBUS RTU protocol.
Able to simulate the outputs via a keyboard.
Hardware technical features:
Graphic display LCD STN 128x64 back-lighted. 5 keys programming keyboard.
Data logger with Flash memory 4 Mbit ( 16.000 records), Type: f.i.f.o. or filling
n. 2 analog outputs 0/4÷20mA 500Ohm galvanically isolated
n. 4 digital outputs– Dry contact Relay
n. 1 digital input - Active and already supplied
n. 1 RS 485 serial output MODBUS protocol
Power supply 100-240Vac 47÷63Hz
ABS container for panel mount. IP66 protection. Dim. mm. 144x144x122,5 (p) Wt. Kg. 0.9

 

down arrow  4263 Turbidity Analyzer. Panel mounting 144x144

PN: 9710614000
4263 Turbidity Analyzer. Panel mounting 144x144
Same technical features as for 4263. Grey ABS case for panel mounting .
Dim. mm 144x144x61,0 (p) Weight Kg. 0.9

 

 

down arrow  4263 Turbidity/Suspended Solids Analyzer. Panel mounting 96 x96

PN: 9710614050
4263 Turbidity/Suspended Solids Analyzer. Panel mounting 96 x96
Same technical features as for 144mm version but LCD STN 57x30 back-lighted graphic display
Black ABS case for panel mount. Mechanical Protection IP 20. Dim. mm 96x96x123 (p) Wt. Kg. 0.9

 

down arrow  Options for 4263 version 144 x 144

Optional for 4263 version 144 x 144
PN: 9400970000
Internal USB port to download stored data via USB flash memory

PN: 9400970001
Internal Supply board 24V AC/DC

 

down arrow  S461/T Turbidity sensor, immersion style, 0 to 4 / 40 / 400 / 4000 NTU

PN: 9720590063
S461/T Turbidity sensor immersion style
Measuring principle 90° scattered light in accordance with ISO 7027 / EN 27027
Wavelength 880nm pulsed light method
Measuring ranges: 0-4 NTU, 0-40NTU, 0-400NTU, 0-4000NTU
Accuracy: ± 2% f.s., Calibration with Formazine solution
Operating temperature: 0….50°C Max Operating Pressure: 5 bar
Material: SS, PVC , Glass pirex
Dimension: mm 207x42 (lxØ)
Mechanical protection: IP68
complete with 10m water proof cable

 

down arrow  S461/T/INS S461/T Turbidity sensor insertion style, 0 to 4 / 40 / 400 / 4000 NTU

9730590063
S461/T/INS S461/T Turbidity sensor insertion style
Same technical features as above but complete with flange and lock to be fixed into the insertion probe holder.

 

down arrow  Insertion probe holder Ball valve Assembly for S461 sensors

Insertion probe holder

9700740060
Insertion probe holder Ball valve Assembly for S461 sensors

 

down arrow  Valve DN 40 with safety lock, Material Stainless steel, Viton O-ring

9700741060
Insertion probe holder Ball valve Assembly x 75xx sensors
Valve DN 40 with safety lock, Material Stainless steel, Viton O-ring.

 

down arrow 42-series Analyzers 50XX Multiparameter Controller for Plug & Play Digital Sensors

PN: 9730610010
Series 50 Multi-parameter Controller for pH, D.O., SS or Turbidity
50XX Multiparameter Controller Plug & Play unit with automatic sensor recognition, 144x144 wall mount, supports up to 2 sensors with RS 485 digital output
Measuring range determined by sensor
Automatic or manual Temperature Compensation
Graphic display for simultaneous display of: size, temp., analog and digital output
(set point), alarms. Keyboard programming (5 digits).
Function keys for calibration and graphic display of measurement data.
Internal data logger (4 Mbit flash) with ability to display graphical and tabular trends of measures with an indication of the minimum, maximum and average of the period. Four programmable set points (2 for each measure) for range and activation time.
Output for alarm: min/max delay set point, residence time, failure.
Output for programming automatic electrode cleaning interval and duration.
Digital input for activation and inhibition assays washing remotely. Three programmable analog outputs 0/4 to 20mA. Programmable limits within the measurement range of the sensor (ability to combine 2 equivalent measurements to generate third output averaging the two measurements).
PID control function can be activated on analog or digital (frequency or pulse).
Serial port RS485 with MODBUS RTU protocol.
USB master module to download data on USB Flash Drive 2.0
Ability to simulation outputs via keypad.
Technical Specifications:
• LCD Graphic display 128x128 with background illumination
- Programming keypad with 5 keys.
- Input for temp. sensor PT 100 3-or 4-wire (std.) or NTC PT 1000 (on request).
- Nr. 3 Analog Output 0/4 to 20mA max load 500Ω galvanically separated ( 1 KV).
- Nr. 6 digital outputs - Relay with dry contact - 3A at 230Vac
- Nr.1 Serial Output RS 485 MODBUS RTU protocol
active digital input for dry contact
Power supply 90 to 47 to 240VAC 63Hz
ABS housing for wall mounting. Protection IP 66 Size 144x144x122 mm, 5 (D) Weight 1.0 Kg

 

down arrow  S461/T Turbidity sensor immersion style

9720590063
S461/T Turbidity sensor immersion style
Measuring principle 90° scattered light in accordance with ISO 7027 / EN 27027
Wavelength 880nm pulsed light method
Measuring ranges: 0-4 NTU, 0-40NTU, 0-400NTU, 0-4000NTU
Accuracy: ± 2% f.s.
Calibration with Formazine solution
Operating temperature: 0….50C°
Max Operating Pressure: 5 bar
Material: SS, PVC , Glass pirex
Dimension: mm 207x42 (lxØ)
Mechanical protection: IP68 complete with 10m water proof cable

 

down arrow  S461/T/INS S461/T Turbidity sensor insertion style

9730590063
S461/T/INS S461/T Turbidity sensor insertion style
Same technical features as above but complete with flange and lock to be fixed into the insertion probe holder.

 

down arrow  Immersion probe holder, 570mm

Immersion probe holder
9500420005
S315/F/50 Immersion probe holder for S461/T and S461/S,
PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 570 mm.

 

down arrow  Immersion probe holder, 1070mm

9500420006
S315/F/100 Immersion probe holder for S461/T and S461/S,
PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 1070 mm.

 

down arrow  Immersion probe holder, 1570mm

9500420007
S315/F/150 Immersion probe holder for S461/T and S461/S
PP body.
Complete with terminal flange for electrode protection Dim: ( Ø x l ) 42 x 1570 mm.

 

down arrow  Nozzle/42 for automatic rinsing of electrode x S315 Ø 42 mm.

7600420001
Nozzle/42 for automatic rinsing of electrode x S315 Ø 42 mm.
Stainless Steel body.

 

down arrow  Insertion probe holder Ball valve Assembly x S461 sensors

PN: 9700740060
Insertion probe holder Ball valve Assembly x S461 sensors
Valve DN 40 with safety lock, Material Stainless steel, Viton O-ring.