T-Three-main-webQuiet precision and thermoelectric reliability in a compact package

The 300 Watt T-Three delivers a cost-efficient way to optimize your equipment’s performance through greater  thermal stability.

Current customer applications:

  • Diode or semiconductor lasers
  • Laboratory
  • Scanning electron microscopes
  • Low-light CCD cameras
  • Rheometers
  • Chemical/MOCVD canister temperature control
  • Microtiter plate temperature control

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Why Choose Our T-Three Chiller?
Customers choose this reliable chiller for its compact size, quiet operation, precise temperature control and energy efficiency.

Reliable Freon-Free Thermoelectric Technology
Our T-Three Chiller uses thermoelectric technology, widely used throughout the world for 50 years in various applications from spacecrafts to home appliances. With lifetimes exceeding 200,000 hours, the thermoelectric modules at the core of this chiller make for ultra-high intrinsic reliability.

Optimized for Modest Heat Loads
Available in 300 Watt capacity, below the economical range of refrigerant-based chillers.

Precise Temperature Control
Because electrons transfer the heat, there is an instantaneous response to changes in load. The digital PID temperature controller holds to ±0.05 °C, even near ambient.

Energy Efficiency
The chiller is energy-efficient. Its thermoelectric modules are powered by a variable power supply that provides the minimum power required to control the temperature at set point, so it only draws as much power as needed. It was also designed to operate in the TE modules’ energy-efficient range.

With Many Standard Features
Variable speed fan, backlit display, auto restart and USB communications are all standard.



Rear view of T-Three


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Operating Range:

5°C to  50°C (Cu), 0°C to 50°C (Al)

Ambient Temperature: 10°C to 40°C non-condensing
Stability / Repeatability: ± 0.05°C at constant load (even near ambient)
Cooling Capacity: 275-330 Watts @20°C (20°C ambient) depending on configuration (see curves)
Heating Capacity: ~400 Watts @ 20°C (20°C ambient)
Noise (at 1 meter): < 48 dBA (50% loading), < 61 dBA (max load)
Coolant / Process Fluid: Koolance (27% propylene glycol / water mix) or 27-50% ethylene glycol / water mix
Process Fluid Fittings: 3/8" Female NPT standard
Adaptor kits available for 1/4” or 3/8” John Guest, CPC, Swagelok or hose barb
Pump Options:: 1CL: ~3 lpm @ 10 psig centrufugal
1C: ~3 lpm @16 psig centrifugal
Tank Volume: 800 ml with level sensor
Wetted Materials: Copper, brass and polymers or
Aluminum, stainless steel and polymers
Size (L x W x H): 13" x 11" x 11" (33 x 28 x 28 cm)
Weight: 25 lbs (11.3 kg)
Power Input: Universal: 100-240 VAC, 50/60 Hz,
6.5-2.5 amp max
Communications: Keypad or USB Interface
Alarms: Temperature, fluid level, system or component failure (display and USB)
Standards: TUV listed to UL, CAN/CSA and EN 61010-1,
CE 61010-1, RoHS compliant
Warranty: 2 years

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