Single- and Dual-Channel Controllers

Single- and dual-channel controllers combine ease of use and accurate operation for critical temperature
and process applications and are available in rear panel mount or front panel 1/32, 1/16, 1/8 and 1/4 DIN
cutout sizes. Advanced models offer a multitude of programmable control options such as PID, soft- and
delay-start, ramp/soak, profiling, cascade, and ratio control schemes for heating and/or cooling
applications. They feature large, channel-specific graphical/text backlit LED displays, several digital
and analog I/O choices, full monitoring and alarms, Modbus TCP/IP (Ethernet) or RTU/RS485
communications, and powerful settings, trending, and simulation configuration software.

Multiple-Loop Controllers

Multiple-loop controllers provide an affordable and compact solution to discrete temperature and/or
process management of multiple zones. The Chromalox 1/4 DIN package will control up to 8 channels in
a single unit, while the modular DIN rail design will manage up to 32 distinct channels per modular set.
Several DIN rail modules may be connected to manage up to several hundred channels. These powerful
controllers offer full independent channel PID and soft-start control schemes and heater break alarms,
facilitate multiple digital and analog I/O possibilities, and feature Modbus RTU/RS485, Modbus TCP/IP
(Ethernet), and several other industrial Fieldbus communication protocols. Without sacrificing process
integrity, these space-saving devices reduce labor hours and panel equipment size. This reduces
installation and material costs, and due to efficiencies being gained, operating costs will also be lower.

Over-Temperature Controllers

Chromalox also offers matching over-temperature controllers that are designed to provide reliable
protection of heaters, sensitive processes and materials, and personnel from damaging over (or under)
temperature conditions in standard front panel mount DIN cutout sizes or rear DIN rail mount designs.
Their purpose is to safely shut down a process when an undesirable preset parameter threshold is
achieved.

Monitors and Electronic Chart Recorders

The Chromalox CX224 temperature monitor and data logger is a powerful panel-mounted unit that
features 12-channel scanning capability, Modbus RS485 communications and ChromaSoft™M
CX224 Windows-compatible software for system configuration and data logging. It accepts any
combination of RTD, thermocouple, and 4 to 20 mA inputs, continuously displays parameter value and
relay status of all 12 channels, and can display data graphing for trend analysis.

Monitors and Electronic Chart Recorders

Our bench- or panel-mounted ECR1 monitor/chart recorder features a 6.1 inch (155-millimeter) color
TFT LCD screen for displaying data. Its 18-channel plug-and-play architecture combined with flexible
screen setup make for a user-friendly and versatile recorder. Each input channel can be set up in the field
to accept 1 of 11 RTD or thermocouple choices, or 1 of 6 process sensors. Data display varies from charts
to bar graphs. Software is available for configuring the ECR1 and analyzing historical data on the flash
drive. It allows for real-time system monitoring and configuration by PC via Ethernet or RS232/485/422
(Modbus protocol) interface.

Sensors and Accessories

Sensors range from bare thermocouples and RTDs to the most sophisticated infrared non-contact sensors
that directly, consistently, and accurately measure product temperature. Stock accessories include
thermowells, wiring, indicating meters, timers, and recorders in addition to electromechanical contactors,
thermostats, and thermoswitches.