General Questions

What do the abbreviations on the download documents mean?

All Lutz-Jesco documents begin with the two letters "LJ". The content of the documents is also identified by two letters, as follows:

  • BA or BW: Operation Manual
  • BB: Supplement
  • PI: Product Information
  • MB: Dimension Sheet
  • ET: Spare Parts
  • SD: Special Design Manual
  • P: Brochure


I would like to request a quote online.

Please complete the online product request form. Our sales staff and engineers will then contact you immediately.

What does "Matchcode" / "Ordering code" mean?

All Lutz-Jesco products are classified according to their options by a product key - the matchcode. You can find out the details of features and functions in the Matchcode / Ordering code table. The tables are shown in the Lutz-Jesco price list.

Dosing Pumps

Dosing Pump Guide

The different requirements for the piping system and the dosing medium mean that there can be numerous options for the selection of the displacement body, drive, capacity range, material and actuation of a dosing pump. The dosing pumps guide aims to help you with the various options and functions.

Dosing pump guide

Guide accessories for dosing pumps

To obtain optimum dosing of the medium, the right choice of dosing pump is required, as well as numerous accessories in the dosing pipe. The accessories overview shows you the possible aids and options for obtaining a successful, constant dosing.

Dosing pump accessories guide

How does the external control for an MEMDOS DX motor-driven diaphragm dosing pump work?

The DX control unit of the MEMDOS DX has a digital pulse input, which can be actuated by any controller, for example a TOPAX controller or an SPS. The external control via an ON/OFF switch briefly switches off the DX control of the pump, and is therefore not possible.

Measuring and Control Equipment

What are the differences between the TOPAX controllers (TOPAX DX, DE, L)?

The following overview shows the comparative functions of TOPAX controllers.

TOPAX Overview

How is an RS-485 network set up for connecting a TOPAX controller to a PC?

Please refer to the operator's manual for the TOPAX controller and the TopView software manual for full information on how to install a network.

Operation Manual Controller TOPAX DX

Operation Manual Software TopView 3

Is there a test version of the TopView or TopReader software available?

The TopView Mini version for displaying the TOPAX controller on a PC is available. (Please Note: limited function version) On our website, go to Service, then click on Document Download/Specialized Information. The TopReader software for reading the memory card in the TOPAX DX can also be downloaded for free.

Software Download TopView and TopReader

Chemical Centrifugal Pumps

How do I choose a pump?

For optimal selection of chemically resistant and high-capacity chemical centrifugal pumps that convey aggressive media, the centrifugal pump guide will help you with the planning and purchasing.

Centrifugal Pump Guide


Factors that need to be considered when planning a chlorine dioxide based disinfection system?

Planners and operators of Lutz-Jesco EASYZON chlorine dioxide systems can refer to the checklists for the EASYZON and EASYZON measurement and control technology. These are available for free download as a PDF file, and give all the important parameters as a planning guide.

Checklist EASYZON / Chlorine Dioxide

Checklist EASYZON Measuring Technology


Lutz-JESCO America Corp.
55 Bermar Park
Rochester, NY 14624
Toll-Free: +1-800-554-2762
Fax: +1-585-426-4025


Outside the U.S.
Tel.: +1-585-426-0990