Single Channel Controllers

You can't afford to take chances when it comes to industrial temperature control. Louisiana and Mississippi companies have been coming to Ross & Pethtel for over 50 years for temperature control panels, electrical control panels, power control panels, and accessories because we offer quality brands backed by expert engineering assistance.

By carrying the finest Chromalox temperature control devices, we believe we are offering our customers the gold standard in the industry. These quality products come with valuable features, including:

  • SMART self-tuning with fuzzy logic
  • Rugged, reliable designs
  • Noise immunity

The self-tuning devices in our inventory follow your parameters to reach setpoint optimization, and they offer continuous, automatic tuning throughout the process. With flexible control parameters that can be manually updated or set to respond to changes in setpoints or loads, Chromalox controllers are the best on the market.

We've been selling quality products to a wide range of companies for over 50 years, so you can trust us to find a solution for you no matter your industry. When it comes to industrial temperature control, Louisiana and Mississippi companies come to Ross & Pethtel. One of our specialists can set you up with a long lasting, economical product that works for every level of your operation. Don't risk the potential hazards of unreliable or outdated equipment. Call today for cutting edge features from Chromalox.

Type Feature Model View PDF


1/4 DIN Temp. & Process 2104 PDF
1/4 Din Temp. & Process 2110 PDF
1/8 DIN 3- Digit Temperature 8003 PDF
1/8 DIN 4- Digit Temperature 8004 PDF
1/8 DIN Valve Actuator 8004 VA PDF
1600 Series Introduction   PDF
1/16 DIN Single Display, 3- Digit 1601 PDF
1601 with New Configuration Port 1601E PDF
1/16 DIN Dual Display, 3- Digit 1603 PDF
1603 with New Configuration Port 1603E PDF
1/16 DIN Dual Display, 4- Digit 1604 PDF
1/16 DIN 4-20 mA Output 1604mA PDF
1/16 DIN Ramp/Soak 1605 PDF
1/32 DIN Temperature 3204 PDF
Temperature Controller 300BD PDF
Special Purpose 1/4 DIN Environmental Test 2030 PDF
Dual Loop Controller 2040


Multi- Loop 8-Channel Alarm Monitor 3421 PDF
High Limit


1/4 DIN High/Low Limit 3101 PDF

1/16 DIN High/Low Limit

1600 PDF
1/4 DIN Over-Temperature 3901 PDF
Accessories ChromaSoft™ SpecView Plus Windows PDF

ChromaSoft™ DOS Version

DOS Version PDF
1/4 DIN Mounting Brackets   PDF
Splash Guard Instrument Cover DIN Access. PDF
Super Splash Guard Inst. Cover Accessories Cont. PDF
1/8 & 1/16 DIN Adaptor Kits Adapter Kits PDF
1/16 DIN Surface Mount Brackets   PDF
ENC4 Series Instrument Enclosures Inst. Enclosures PDF

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