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   TestEquity Model 107 Benchtop Temperature Chamber - Detailed Specifications


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Temperature Range -42°C to +130°C
Control Tolerance ±0.5°C (±0.2°C Typical) (Measured at the control sensor after stabilization)
Uniformity ±1.0°C (±0.5°C Typical) (Variations throughout the chamber after stabilization)

Heat Up Transition Time (empty)* 8.5°C/minute typical
Cool Down Transition Time (empty)*
Start Temp End Temp              
+23°C 0°C -10°C -20°C -30°C -35°C -40°C -42°C
+23°C Standard ---- 7 min 11 min 15 min 19 min 23 min 30 min Ultimate
50 Hz Export Version ---- 8 min 13 min 18 min 23 min 28 min 36 min Ultimate
                   
+85°C Standard 13 min 20 min 24 min 28 min 32 min 36 min 45 min Ultimate
50 Hz Export Version 16 min 24 min 29 min 33 min 38 min 43 min 54 min Ultimate
 

Rate Of Change
To calculate rate of change for a particular condition, take the difference between the Start Temp and End Temp and divide by the Transition Time.
Cool Down Example (empty): From +85°C to -20°C = 105°C / 28 min = 3.75°C/min.
Heat Up Example: From -40°C to +85°C = 125°C / 11 min = 11.36°C/min.

*Note: Transition times are measured after a 30 minute soak at the respective start temperature.


Live Load Capacity
+23°C 0°C -30°C -40°C
200 Watts 155 Watts 100 Watts 35 Watts

Refrigeration and Heating System
Compressor 1/3 HP Copeland hermetic
Condenser Air Cooled
Heat of Rejection 3,000 BTUH (maximum rated chamber load at maximum cooling rate from high temperature soak)
Heater Power 500 Watts
 
Instrumentation
Temperature Controller 256 steps, 10 profiles, ramp and soak programmable memory. RS-232C interface. Watlow Series F4.
More details >>
Limit Controller Independent of temperature controller. User adjustable high and low temperature limits. Shuts down the chamber if limits are exceeded. Watlow Series SD.
 
Power Requirements
Input Voltage

Standard Model 107
120 V nominal (110 to 126 VAC), 60 Hz, 1 PH
Max Current Draw 10 A, Recommended Minimum Service 15 A

Export Model 107-EX
230 V nominal (209 to 253 VAC), 50 Hz, 1 PH
Max Current Draw 5 A, Recommended Minimum Service 10 A
   
Physical Characteristics
Inside Dimensions 12" W x 9" H x 11.25 " D, 0.7 cubic feet
(305 x 229 x 288 mm, 20 liters)
Outside Dimensions
(nominal) 		16.5" W x 26" H x 25.25" D
(419 x 660 x 641 mm)
Door latch adds 2" to width.
Minimum Installed Clearance 12" from the rear
Access Ports 3" ports (2.83" inside diameter) on left and right side (two total). Supplied with silicone foam port plugs
Weight Chamber Weight: 124 pounds (56 kg)
Shipping Weight: 158 pounds (71 kg)
Sound Level 52 dBA in cooling mode (A-weighted, measured 36" from the front surface, 63" from the floor, in a free-standing environment)

NOTE: Performance is typical and based on operation at 23°C (73°F) ambient and nominal input voltage. Designed for use in a normal conditioned laboratory. Operation at higher ambient temperatures will result in decreased cooling performance. Low end limit derates to -38°C when operating above 27°C (80°F) ambient. Operation above 30°C (85°F) or below 16°C (60°F) ambient is not recommended.


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