Chemscan Analyzer Accessories
Sample Handling Options & Data Communications

Wastewater Filter Options
Typical applications: Aeration basins, SBR (sequenced batch reactors)

External Filter Required if TSS is greater than 150 mg/L, NTU is greater than 60

In-Situ Cyclic Filter
(In-Tank Wand)

Run is less than 50 ft.
​Lift is less than 10 ft.

Maximum of Four Filters/
Sample Lines per Analyzer

No external pump required

* SBR Applications Require
Pivoting Want Mount - 
Std. Wand is Fixed Angle

Freeze protected (Heat Traced
option available)

Flow-Through Cyclic
​​(FTC) Filter

Run is less than 500 ft.

Maximum of Four Filters Per Analyzer 

External pump(s)
Required
Provided by ASA
or Others

​10-20 GPM
​

Cross-Flow Filter

Run is less than 1500 ft.
​​

Maximum of 8 Sample
​Points Per Filter System

External pump(s)
Required
Provided by ASA
Alternative: Valves and
Single Central Pump

30 GPM minimum
​

​Sample Circulation Chamber (SCC)

For coarse screening. Algae screening protects analyzer inlet screens and reduces maintenance. Typical applications include post secondary clarifier.

​TSS is less than 150 mg/L, NTU is less than 60
​​
Run is greater than 20 ft
Lift is greater than 5 ft

Maximum of Eight Sample Lines

​External Pump(s) Required
- Provided by ASA or Others
3-10 GPM

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​Sample Extraction Accessory

For use with the ChemScan mini analyzer.
​Provides a pressurized sample. 

TSS is less than 150 mg/L, 
NTU is less than 60

​(Includes Pump and 
Sample Circulation 
Loop Assembly)

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Heated Traced Cyclic Sample Line
​
Flexible conduit prevents freezing and damage to sample line. An option for any cyclic wand application

Sample Circulation Pumps

Light Duty, Submersible Pump
1.3" Max. Dia. Solids
Weight: 20 - 30 lbs
Power: 1/4 - 3/4 HP, 120 VAC 60 Hz
Power Cable: 20 feet
12 foot SS support cable

​Heavy Duty, High Head, Submersible,
Grinder Pump. Cast Iron Construction
Weight: 70 lbs
Power: 2.3 HP 230 or 460 VAC
Power Cable: 30 feet
Mounting: Dual guide bars
Note: Guide bars are typically provided
​by others

Data Communication Options

Analog

CIM
Customer Interface Module

Features a Max of Eight 4-20 mA
Outputs, Alarms and Input

PLC
Programmable Logic Controller

For use when 4-20 mA Outputs
are greater than eight

Serial

RS-232
​Modbus RTU

Direct from Analyzer to
Terminal Block in EIE

SUB-D RS-232 terminal for
temporary laptop connection
available in lower enclosure

RS-422/485
​Converter

See Factory for Limitations

Ethernet IP

​Modbus TCP/IP

AB Ethernet IP
(Allen Bradley)

Typically used when
connecting to Allen-
Bradley Plant System

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