E+H portfolio illustration from our resource library; not a configuration-specific CM442 product photograph.

One missing interface can hold up the whole measuring point

A replacement transmitter is often ordered against a shutdown date. Yet the point cannot return to service until the sensor, power supply, outputs, communication and installation all match. Send CM442-AAM2A1F260A exactly as specified rather than shortening the enquiry to “CM442.” This gives procurement and engineering a common reference for checking the offered item.

What the Liquiline CM442 platform offers

The manufacturer describes CM442 as a modular one-/two-channel field transmitter for digital Memosens sensors. Depending on the connected sensor and supported configuration, the platform covers parameters including pH, ORP, conductivity, oxygen and turbidity. The controller receives the sensor signal; the selected probe and installation determine the application-specific measurement requirements.

These are CM442 family capabilities, not a character-by-character decoding of CM442-AAM2A1F260A. Confirm the supplied unit's channel count, power specification, relay arrangement, communication and approvals from the order confirmation and device documentation.

Three checks before scheduling installation

Check the sensor side. Provide the complete probe codes and cable requirements. For two planned measuring points, confirm that the offered unit supports both intended sensors and the required parameters. Multiple current outputs are not proof of multiple installed sensor inputs.

Check the control-system side. Record the required current outputs, relay duties and communication protocol. Identify which measured value must reach which system input. A transmitter family offering several protocols does not mean every shipped unit includes them all.

Check the delivery boundary. List transmitter, sensors, cables, mounting and documentation separately. For a skid project, identify the item needed first for panel work and the items needed later for commissioning. Ask for available quantity and dispatch timing against the exact configuration.

CM442 and CM442R are different installation choices

CM442 is the field-transmitter family. CM442R is a separately identified DIN-rail/cabinet product. If a proposed alternative changes that suffix, compare the housing, mounting, protection and display arrangement as well as the electrical specification before accepting it.

Send this complete quotation request

1. Model: CM442-AAM2A1F260A, quantity and delivery destination.

2. Duty: measuring parameters, ranges and sensor codes.

3. Electrical requirements: supply, current outputs, relays and communication.

4. Installation: field location, mounting and cable entries.

5. Scope: transmitter only or a complete measuring point.

6. Timing: required on-site date and acceptance documents.

CM442-AAM2A1F260A buying questions

Does every CM442 include two sensor inputs?

The platform supports one or two Memosens inputs. Verify the installed configuration of the exact unit offered.

Are probes and cables included?

Only if they are expressly included in the quotation. The transmitter's complete order code should not be treated as a complete measuring-point bill of materials.

Can I compare a shorter CM442 code?

Request a configuration comparison first. Match power, sensors, outputs, communication, housing and required documentation.

How do I obtain price, stock and lead time?

Send CM442-AAM2A1F260A, quantity, destination and supply scope to our contact below.

Also sourcing E+H level instruments?

We welcome enquiries for these configured references. Include the full model in each request so the correct item can be checked.

Technical reference: Endress+Hauser Liquiline CM442. Confirm the selected configuration against current manufacturer documentation.