Comstat has been striving to provide excellent quality and service to OEMs and manufacturers with many types of thermal protection needs.

Home » Controls & Instruments
Download PDF of this page  Print this page

Controls & Instruments

Comstat is an authorized factory distributer of Novus Automation’s full line of instruments for control, data acquisition and supervisory systems. Integrating with thermal fuses, mechanical and electric thermostat (bimetallic & snap) products, and many other thermal control components, we can ensure an ideal solution. Novus, located in Porta Alegre, Brazil, is a world leading manufacturer of quality, cost effective control products.

Relays, Transmitters & Controls
Electronic Thermostats

Comstat stocks the following products for next day shipment:

The N120 1AL Open Frame Controller as Low as $106.00

The N120 is an extraordinarily versatile, self adaptive board level process controller for applications that require more features than a simple thermostat (bimetallic or electronic) can provide. It has all the main features needed for the vast majority of industrial processes in a board level package, ready to be integrated into OEM control systems.

Product Details:

  • Inputs:
    • Thermocouples J, K, T, E, N, R, S, and B
    • RTD’s Pt100
    • Process signals 0-50 mV, 0-5 Vdc, 0-10 Vdc, 0-20 mA and 4-20 mA
  • Outputs:
    • 2 SPST relays
    • Logic pulse for SSR
  • Dual Display Board
  • Auto-adaptive PID control
  • Up to 4 alarms with timers from 0 to 9999 s
  • 16-bit A/D converter, 55 samples per second
  • Bumpless Auto/Manual function
  • Ramp and Soak: twenty 9-segment profiles or 1 profile with up to 180 segments
  • Programmable soft start (0 to 9999 s)
  • Access password for configuration protection
  • Digital input for multiple functions
  • Timer function
  • Size: 100 x 67 mm
  • Power supply: 100~240 Vac/dc ±10%


RS485 Modbus RTU serial communication

  • SPDT relay for up to 10A loads
  • Power supply: 24 Vac/dc
  • Customized versions available
  • Data Logger function and USB port

Click here to download the Operations Manual

N1040-PRR Low Cost Controller as Low as $99.00

The microprocessor based N1040 was designed for low cost applications which require a high degree of accuracy. It features a short depth of only 70 mm and a removable wiring connection block to make installation easy. The N1040 controller accepts Pt100 RTDs and thermocouples (types J, K and T), provides two outputs for control and alarm, 2 Relays + pulse and automatic tuning of the PID parameters.

Product Details:

  • Inputs:
    • Thermocouples J, K, and T
    • Pt100 RTD
  • Outputs:
    • Programmable for main control or alarm
    • 2 SPST relay
    • Logic pulse for SSR
  • Alarm functions: low, high, differential, low differential, high differential, sensor break
  • Loop Break Detection function detects failures in the control loop
  • Safe output function allows the user to set control output conditions in case of sensor break or failure
  • Auto tuning PID
  • Simplified programming menu makes operator programming very easy
  • Configurable keypad password to prevent unauthorized programming changes
  • Permanent 8 digit electronic serial number which can be accessed from the display
  • Front panel protection: IP65

Click here to download the Operator’s Manual

CTSSR-4810: 10A Solid State Relay – Only $17.00

Click here for a complete listing of all available Controllers and other Novus Automation products.

Site Map
Site Credits: Ecreativeworks