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2-Loop Temperature Controllers
2-Loop Temperature ControllersAgency approved Watlow two-loop, auto-tuning temperature controllers automatically set PID control parameters for optimum system performance. Manual settings also permit on-off, P, PI or PID control modes. Data communications or remote operation or data logging. All are available with a broad range of industry standard I/O options. All Watlow two-loop controllers are designed and manufactured to withstand harsh industrial environments, and come with a three-year warranty for Control Confidence®.

Controller DIN Size Accuracy Channel Scan Time
SERIES PD DIN-Rail ±0.10% 0 to 65°C
(32 to 150°F)
SERIES 733/734   0.10% at 25°C  
SERIES 998/999 l/8 0.10% at 25°C  
SERIES F4D l/4 0.10% at 25°C  
MINICHEF® 3¼ x 2 0.20% for Type J T/C and RTD at 25°C
0.35% for Type K and E T/C at 25°C
 
Applications
  • Any process requiring two control loops
  • Foodservice equipment
  • Complex process furnaces
  • Environmental chambers
  • Processes requiring control/monitoring from a computer
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Product Information
Click on the below links for more product information. Items that are PDF documents, require Adobe® Acrobat® Reader version 4 or higher for viewing.
 Product Specification Sheets Size/Pages
  • MINICHEF 2000 Controller
  • (PDF) 181K / 4
  • SERIES 942
  • (PDF) 78K / 2
  • SERIES 998/999
  • (PDF) 45K / 4
  • SERIES SD
  • (PDF) 149K / 4
  • SERIES SD31
  • (PDF) 53K / 2
  • Series 733/734
  • (PDF) 61K / 4
  • Series F4 1/4 DIN Ramping Controllers
  • (PDF) 149K / 4
  • Series F4 1/4 DIN Temperature Process Controllers
  • (PDF) 657K / 4
  • Series PD
  • (PDF) 81K / 2
     Product Technical Documents Size/Pages
  • Comm6 - Watlow Controller Communications Diagnostic Software
  • (PDF) 1,536K / 0
  • WATVIEW User Manual rev A; February 2003 for version 2.2 ...
  • (PDF) 7,438K / 36
  • Series N7 Installation Manual, Rev A. January 2003
  • (PDF) 1,819K / 28
  • Series F4 User's Manual, 1/4 DIN Ramping Controller, Rev ...
  • (PDF) 3,734K / 154
  • Optimizing Your Process System with the Series 988 Controlle...
  • (PDF) 9,397K / 74
  • Series 988 User's Manual, 1/8 DIN Microprocessor-Based ...
  • (PDF) 1,612K / 152
  • MiniChef 2000 Hardware and Software Setup Guide for All ...
  • (PDF) 1,454K / 71
  • Data Communications Reference: Electronic User's Manual, ...
  • (PDF) 521K / 30
  • Series 733/734 Service Manual, Rev D, November 1995
  • (PDF) 309K / 40
  • MiniChef Timer Applications Guide, Programming and Operating ...
  • (PDF) 340K / 17
  • MiniChef Deep Fat Fryer Application Guide, Rev A, May 1997
  • (PDF) 2,662K / 112
  • MiniChef 2000 Griddle Applications Guide, Rev A, May 1997
  • (PDF) 1,088K / 46
  • Series 733/734 Data Communications Manual, Rev D00, November ...
  • (PDF) 189K / 24
  • Series PD Ethernet Enabled Temperature and Process Controller ...
  • (PDF) 446K / 30
  • EM Gateway User's Manual 0600-0040-0001 Rev C
  • (PDF) 1,201K / 23
  • Temperature Control, Educational Series Book 5, 1995
  • (PDF) 348K / 32
     Related News Releases and Newsletters Date
  • New Multiple Loop Controller from Watlow Provides DeviceNet ...
  • 02-14-03
  • Watlow's Series 988 is Versatile, Durable and Fits Anywhere
  • 04-24-01
  • Watlow's New Timers Offer Flexibility and Ease-Of-Use
  • 12-12-00
  • Watlow Adds New Flush-Mount Option to Series 733/734 Control ...
  • 03-06-96

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