Product Details

AquaSensors Suspended Solids DataStick



Product Features


DataStick provides universal conversion of sensor signals and interactive communications for measurement, calibration, configuration and diagnostics

:: Fouling correction optics
:: Rugged construction

:: Local and remote configuration and diagnostics

:: Temperature measurement included

:: Local interface with current outputs and relays

:: Temperature measurement included

:: Direct data reporting

:: Plug & play industrial communications adapters




Product Specification



Range: 0 to 20,000 mg/L (diatomaceous earth)

System Performance†

Resolution: 1 mg/L


Step Response Time: 90% in 15 seconds

Operational Environment

Temperature Range: –5 °C to 50 °C
Maximum Pressure: 150 psig @ 50 °C
Maximum Flow Rate: 10 ft/second


Voltage Range: 10 to 30 VDC
Maximum Power: 200 mW
Typical Power: 120 mW


Windows: Quartz
Optical Topology: 1 cm path lengths for
measurement and reference. Detectors at
90 degrees and 180 degrees to source
O-rings: Viton® (other materials available)
Sensor Head Material: Polycarbonate
Weight 1.2 lbs

Units of Measure

Suspended Solids: mg/L, ppm, %
Temperature Units: °C, °F


Sample: 1 point
Zero: 1 point
Temperature: 1 point

Measurement Modes

Measurement Units: detected at 90 degrees and
180 degrees
Temperature: Automatic from –5 °C to 50 °C


Immunity & Emissions: CE Certified 89/336/EEC:
CISPER 11, EN61000 (-4-2,-4-3,-4-4,-4-6, 4-8)
Safety: cULus Listed; 367G E303570
Hazardous Locations: Haz Loc Class 1,
Division 2, Groups A, B, C, D. T5 Max
Ambient 50 °C



Municipal/industrial wastewater, Municipal water, Pulp and paper, Dairy industry, Mining industry, Chemical process


Ordering Information (Suspended Solids)


Part No.



DataStick and Communications

Measurement Mode (b)

2 = Suspended Solids

Back-Body and
Material (x)

1 = 316 Stainless Steel
2 = CPVC

Communications (y)

4 = Modbus RTU
5 = DeviceNet
6 = CANopen
7 = Ethernet
8 = USB

Cable Length (z)

1 = 10 feet
2 = 20 feet
3 = 30 feet

Note: Consult for additional configurations and accessories


Thermo Scientific AV38 DataStick Local Monitor and Controller


Features & Benefits


:: Connects to any DataStick system

:: Convenient ¼ DIN enclosure

:: Display sensor and temperature data

:: Menu functions: Calibration, configuration and diagnostics, Digital protocol options for remote measurement, calibration, configuration and diagnostics

:: Two 4 to 20 mA current outputs

:: Two Form C relays for alarm, control and wash

:: PID controller for use with pH and conductivity

:: 7 conduit knockouts for easy cabling




Product Specification


Mounting Options

Wall-mount Enclosure: NEMA 4X
Panel-mount: ¼ or ½ DIN NEMA
4X panel mount available
Display Only: with NEMA 4X gasket

User Interface

Display: 2 line by 16 character LCD
Backlight: High contrast green
Keypad: 4 directional arrows, MENU,

Environmental Conditions

Ambient Operating Temperature Range:
–20 to 65 °C
Maximum Relative Humidity:
95% non-condensing

DataStick Sensor Connections

Supports 1 to 255 Modbus® RTU DataStick Sensors of any type
Supported Sensors: pH, ORP, two electrode conductivity, two electrode resistivity, toroidal
conductivity, dissolved oxygen (ppm and ppb) dissolved ozone, drinking water and wide-range turbidity, suspended
solids and free chlorine

4 to 20 Milliamp Current Output Options

Assignable parameters
PID function when pH or conductivity parameter selected Loop power provided by AV38


Two 1 amp Form C relays with NO and NC contacts
Assignable parameters
Configured for alarm, control and timer functions


Options to Host Computer Network: MODBUS RTU, DeviceNet, Modbus RS232, RS232 ASCII, CANopen, Ethernet IP, Modbus TCP, TCP/IP
Others: Consult factory

Power Supply

Input: 10 to 30 VDC or 100 to 240 VAC
Power: 2W at 25°C


Meets CE requirements for heavy

Note: Consult for additional configurations and accessories


Order Information


Part No.



Local Monitor/Controller

Current Outputs (v)

B = One
C = Two

Mounting (w)

B = ¼ DIN NEMA 4X Wall-mount Enclosure

Communications (x)

0 = None
1 = RS232 ASCII
2 = Modbus RS232
4 = MODBUS RTU (for Modbus + Profibus)
5 = DeviceNet
6 = CANopen
7 = Ethernet IP, Modbus TCP, TCP/IP

Relays (y)

A = None
C = Two

Power (z)

1 = 24 VDC
2 = 100 to 240 VAC


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Suspended Solids DataStick
AV38 Datastick Local Monitor And Controller

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