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TestEquity LLC, Environmental Chamber Division Environmental Chambers for Temperature and Humidity Testing
   TestEquity Model 1016C Temperature Chamber - Detailed Specifications

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Temperature Range -73C to +175C
Control Tolerance 0.2C (Measured at the control sensor after stabilization)
Uniformity 1.0C (Variations throughout the chamber after stabilization)

Cool Down Transition Time (empty)*


End Temp

+23C 0C -20C -40C -55C -65C
Time from +23C:
----- 1 min

5 min

10 min
15 min
20 min
Time from +85°C:
7 min
12 min
17 min
23 min
29 min
35 min

Heat Up Transition Time (empty)*

-40°C to +85C 15 minutes (8.3°C/minute)

*Note: Transition times are measured after a 2 hour soak at the respective start temperature with an empty chamber, as indicated on the temperature controller, 23°C ambient. Measured with setpoint beyond the start and end temperatures. Does not include the effect of proportional band when approaching setpoint. Performance is reduced by 17% with 50 Hz input power.

Live Load Capacity
+23C 0C -20C -40C -55C -65C
2,900 Watts 2,600 Watts 2,300 Watts 1,750 Watts 1,450 Watts 1,050 Watts

Refrigeration and Heating System

High Stage Refrigerant R-404A (Dupont HP-62)
Low Stage Refrigerant R-508B (Dupont SUVA-95)
Compressors 3.5 HP x 3.5 HP Copeland scroll compressors in a cascade configuration
More about Scroll Compressors >>
Condenser Air Cooled
Heat of Rejection 27,500 BTUH (maximum rated chamber load at maximum cooling rate from high temperature soak)
Heater Power 4,200 Watts @ 208 V input
Air Flow 630 cfm


Temperature Controller

Watlow F4 Controller with RS-232 interface, LED readout of temperature, LCD display of other parameters (standard).
Watlow F4T Touch Screen Controller with RS-232, Ethernet interface, 4.3" color graphic touch screen (optional).

Limit Controller Independent high and low temperature limits. Triggers an audible alarm and shuts down the chamber. Relay contacts provide a safety power interlock for test sample.
Chart Recorder   (Optional) Honeywell DR4300 Series. One pen, 10" circular chart. Mounts in lower front door.

Input Power Requirements
230 V 10%, 60 Hz, 3 Phase Max Current Draw 39 A; Recommended Service 50 A
208 V -5/+10%, 60 Hz, 3 Phase Max Current Draw 35 A; Recommended Service 45 A

Input may be configured for 230 V or 208 V in the field by changing jumpers. Three phase load is balanced. Call for other voltages or 50 Hz operation.

Customer power source must be hard-wired to the chamber by a qualified electrician. Power cord and plug is not included.


Physical Characteristics

Inside Dimensions

30" W x 30" H x 30" D (15.6 cubic feet)
762 mm W x 762 mm H x 762 mm D (442 liters)

Outside Dimensions 38" W x 78.5" H x 56" D (nominal)
914 mm W x 1994 mm H x 1422 mm D
Door latch adds 3" to width on right side.
Minimum Installed Clearance 18" from the left and right side
24" from the rear
Window Viewing Area 18" W x 12" H
Access Ports 4" Port on left and right side (two total)
Supplied with foam plugs
Weight Chamber Weight: 1,130 pounds
Shipping Weight: 1,280 pounds
Sound Level 68 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 23C (73F) ambient and nominal input voltage. Designed for use in a normal conditioned laboratory. Operation at higher ambient temperatures may result in decreased cooling performance. Additional ports and shelves will also affect performance. Operation above 30C (85F) or below 16C (60F) ambient is not recommended.

Due to continuous product improvements, specifications subject to change without notice.

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