Low Temperature Chillers for Standard to Ultra Low Temperature Applications

Our chillers bring precise temperature to the test site for components, batteries, hybrids, printed circuit boards and other devices enabling the user to incorporate temperature into any test equipment for characterizing, qualifying and performing fault isolation on a component.

Low Temperature Chillers
OTT Range -40°C to 88°C

  • 3 to 9 kW cooling capacity
  • Opti Temp patented advanced refrigeration control (ARC) circuitry standard
  • PLC based PID controller with digital display
  • Programmable high temp alarm or high/low temp alarm, for temp out of tolerance
  • Temp output in °C or °F
  • Dual frequency compatible
  • Fluid Operating temperature ranges up to 88°C
  • Non-ferrous wetted construction standard
  • Rugged powder coated steel cabinetry
  • Stainless steel MNPT process connection
  • Removable cover and side access panels
  • NEMA 1 electrical enclosure standard
  • High efficiency brazed plate evaporator
  • One year limited warranty

Low Temperature Air Cooled Chillers - OTT Series

Test Temperature Range OTT -40°C to 88°C
Capacity 3kW, 6kW, 9kW or Custom
Temperature Stability +/-0.5°C
Heat Transfer Fluids: Syltherm, Fluorinert, PAO
Other Fluids Available
Reservoir Vented SS
20 Gallon, SS
N2 Blanket-Optional
SS Pump 7, 14 & 20 GPM at 65 PSI
Other Pumps Optional
Power 208-230V/3P/60Hz
460V/3P/60Hz
3P/50Hz, 180-240V, 360-460V Available
Configuration Air Cooled Standard
Indoor Standard
Options Out-Door Optional
Water Cooled
Digital Controller: Ethernet
Reservoir Alarm Level Switch
Flow Meter and Display
Flow Switch
Pump Discharge Pressure Gauge
Pump Pressure Transducer
Pump VFD

OTT Data Sheet

OTR Standard Chillers
Range 7°C to 88°C

  • 0.25 to 50 tons (0.6 to 175 KW) cooling capacity
  • Opti Temp patented advanced refrigeration control (ARC) circuitry standard to 10T
  • PLC based controller with digital display
  • Programmable high temp alarm or high/low temp alarm, for temp out of tolerance
  • Temp output in °C or °F
  • Dual frequency compatible
  • Fluid Operating temperature ranges 7°C to 88°C
  • Non-ferrous wetted construction standard
  • Rugged powder coated steel cabinetry
  • Stainless steel MNPT process connection
  • Swivel casters standard to 3T
  • Removable cover and side access panels
  • NEMA 1 electrical enclosure standard
  • High efficiency brazed plate evaporator
  • One year limited warranty

Standard Chiller - OTR Series

Test Temperature Range Range 7°C to 88°C
Temperature Stability +/-0.5°C
Heat Transfer Fluids: Water, Water/Glycol
Reservoir Vented SS
.75-20 Gallon
Non-ferrous & SS Pump 3.2 GPM to 24 GPM
Other Pumps Optional
Power 208-230V/3P/60Hz
460V/3P/60Hz
3P/50Hz, 180-240V, 360-460V Available
Configuration Air Cooled or Water Cooled
Indoor Standard
Options Out-Door Optional
Water Cooled
Digital Controller: Ethernet
Reservoir Alarm Level Switch
Flow Meter and Digital Display
Flow Switch
Pump Discharge Pressure Gauge
Pump Discharge Transducer
Pump VFD

OTR Data Sheet

Ultra Low Temperature Chiller
OTU Series - Range -73°C to 88°C

  • 1500W at -70°C cooling capacity
  • PLC based controller with digital display
  • Programmable high temp alarm or high/low temp alarm, for temp out of tolerance
  • Temp output in °C or °F
  • Dual frequency compatible
  • Fluid Operating temperature ranges up to 88°C
  • Non-ferrous wetted construction standard
  • Rugged powder coated steel cabinetry
  • Stainless steel MNPT process connection
  • Removable cover and side access panels
  • NEMA 1 electrical enclosure standard
  • High efficiency brazed plate evaporator
  • One year limited warranty

Ultra Low Temperature Air Cooled Chillers - OTU

Low Temperature Range OTU -73°C to 88°C
Temperature Stability +/-0.5°C
Heat Transfer Fluids Syltherm, Fluorinert, HFE
Other Fluids Available
Reservoir Pressurized SS
4 Gallon, SS
SS Pump 2 GPM at 70 PSI
Power 208-230V/3P/60Hz
460V/3P/60Hz
3P/50Hz, 180-240V, 360-460V Available
Configuration Air Cooled or Water Cooled
Indoor Standard
Options Out-Door Optional
PLC Digital Controller: Ethernet
Reservoir Alarm Level Switch
Flow Meter and Display
Flow Switch
Pump Discharge Pressure Gauge
Pressure Transducer
Pump VFD