Simpson Electric Hawk 3 H340 4-Digit Digital Temperature Meter / Controller

Simp H340 Series*

The Simpson Electric Hawk 340 digital temperature meter features a 7 segment bright red LED display with five brightness display levels and 0.56" (14.2 mm) digits. The Hawk 340 is a 4-digit model and features an easy to understand programming menu. The meters come in a 1/8-DIN shallow depth case and have NEMA 4X-rated front panels for increased protection.

The H340 will accept thermocouples Type-J, Type-K, Type-E and Type-T as well as Pt100 3-wire RTDs. The H340 also features 1-5 amp relays as well as analog outputs and excitation outputs for added flexibility and control.


  • All parameters set from easy to understand front panel access
  • One, two or four 5-amp relays optional
  • 7-segment 4-digit red LED
  • Five user-selectable brightness levels
  • Activated set point indicators on display
  • Min/Max and password lockout
  • NEMA-4X rated front panel
  • RS-485 digital communications output available by special order
  • 4-20mA or 0-10 DCV analog outputs optional
  • 1/8-DIN, shallow depth case, 3.24"
  • Din Rail Adapter available
More Information
Display Digital
Input Temperature
Manufacturer Simpson Electric
Power ACV, DCV
Type Digital Panel Meters
Additional Skus H340, H340-1, H340-3, H340-4
Additional Details

*Pricing & appearance may vary based on configuration!* Please configure product above.

Please note: Many of our Panel Meters require modification. In these cases, delivery may be 3-5 days before shipping.

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