TestEquity Model 115A Temperature Chamber -73C to +175C

-73°C to +175°C

±0.5°C (±0.2°C Typical) (Short-term variations measured at the control sensor after stabilization)

±1.0°C (Variations throughout the chamber after stabilization)

5°C/minute typical

2.8°C/minute from +85°C to -40°C (standard 60 Hz models)

Refrigeration and Heating SystemHigh Stage RefrigerantR-404A (Dupont HP-62)Low Stage RefrigerantR-508B (Dupont SUVA-95)Compressors1/2 HP x 1/3 HP Tecumseh hermetic compressors in a cascade configuration.CondenserAir CooledHeat of Rejection4,000 BTUH (maximum rated chamber load at maximum cooling rate from high temperature soak)Heater Power600 WattsAir Flow85 CFM

InstrumentationTemperature ControllerWatlow F4T Touch Screen Controller with RS-232, Ethernet interface, 4.3″ color graphic touch screen. OR…
Watlow F4 Controller with RS-232 interface, LED readout of temperature, LCD display of other parameters.Limit ControllerIndependent high and low temperature limits. Triggers an audible alarm and shuts down the chamber.

Power RequirementsInput Voltage

120 V nominal (110 to 126 VAC), 60 Hz, 1 PH
Max Current Draw 15 A, Recommended Minimum Service 20 A

Power Cord
and Plug

6′ Power cord supplied with a molded NEMA 5-20P plug.

Plugs into a standard NEMA 5-20R receptacle.
Use of an extension cord is not recommended.

Model 115A-EX export version is supplied with power cord for the destination country.

Physical Characteristics and SafetyInside Dimensions16″ W x 12″ H x 14″ D (1.55 Cubic feet)
406 mm W x 305 mm H x 353 mm D (44 liters)Outside Dimensions

Benchtop Model 115A-B
24″ W x 44″ H x 26″ D (nominal)
610 mm W x 1118 mm H x 660 mm D

Floor Model 115A-F
24″ W x 61″ H x 26″ D (nominal)
610 mm W x 1549 mm H x 660 mm D

Minimum Installed Clearance6″ from the left and right side
12″ from the rearWindow Viewing Area8″ W x 6″ HAccess Ports3″ (2.83″ inside diameter) supplied on all Model 115A chambers. Port on left and right side (two total)
Supplied with silicone foam port plugsWeight

Benchtop Model 115A-B
Chamber Weight: 260 pounds
Shipping Weight: 340 pounds

Floor Model 115A-F
Chamber Weight: 300 pounds
Shipping Weight: 381 pounds

Sound Level52 dBA in cooling mode (A-weighted, measured 36″ from the front surface, 63″ from the floor, in a free-standing environment)CE MarkExport version, Model 115A-EX is CE Marked