TestEquity 1027C Temperature Chamber

Additional Product Information

The Features You Want - Included at No Extra Charge...

Programmable Temperature Controller
Up to 256 steps can be programmed into as many as 40 nameable profiles. The context sensitive information key and guided steps make profile programming fast and easy. A four-line backlit LCD displays programming, setup, operating and help information. A large LED readout indicates the actual chamber temperature with 0.1&deg, resolution. Internal logic provides refrigeration compressor control for responsive and reliable performance. Includes two alarms and seven event outputs to control remote devices. RS-232C communications is also included. GPIB, Ethernet and analog retransmit are available as options.
More about the Temperature Controller >>
RS-232 Programming Resources and LabVIEW drivers >>
GPIB Programming Resources and LabVIEW drivers >>
Ethernet Interface Information >>

High/Low Temperature Limit Controller and Alarm
Provides independent protection against excess temperatures. Both high and low limits can be set. The upper LED readout indicates the actual chamber temperature while the lower readout indicates the status The limit controller will shut down the chamber and trigger the audible alarm in the event of an out of limit condition. A set of uncommitted contacts are available to provide a safety power interlock for your test sample.

Viewing Window
Our unique design virtually eliminates exterior window sweating during normal temperature cycling conditions.

Two 4" Access Ports
Lets you attach wires and sensors to your test sample through both the left and right side of the chamber.

Adjustable Shelf
A heavy-duty stainless steel wire shelf ensures proper airflow around your test sample for uniform temperature distribution.

Chamber Condensate Drain
The chamber floor is sloped and has a drain to permit removal of condensate that can occur when cycling from low to high temperatures.

Casters
Rugged casters permit easy movement.

Built-In Refrigeration Gauges
Provides system status for easy preventive maintenance and service.

World's Best Environmental Chamber Warranty
Only TestEquity offers a 3-year warranty on parts and 1-year warranty on labor at your domestic site. Our nationwide service network is qualified to do the job right. And we always have replacement parts in stock for immediate shipment.

TECHNICAL FEATURES

No-Sweat Cabinet
We use a combination of structural foam and fiberglass blanket insulation for a higher combined R-factor than just fiberglass alone. The door sealing surface is kept warm by circulating excess heat from the refrigeration system. The result is a cabinet that does not sweat due to condensation during low temperature operation.

The window is constructed of 6 panes of tempered glass separated by low-conductivity spacers to keep thermal losses to a minimum. Our unique design virtually eliminates exterior window sweating during normal temperature cycling conditions.

The stainless-steel interior liner is heliarc welded, while the refrigeration compartment behind the liner is double-insulated and carefully sealed. These design features reduce thermal losses and prevent moisture migration, ensuring years of optimum performance while keeping the cabinet rust-free.

Reliability & Safety That's Designed In
Non-CFC refrigerants are used in a cascade (two compressors) configuration. Expansion valves provide optimum performance throughout the operating range. Pressure regulators keep the operating pressures within safe limits regardless of load conditions. Liquid injection ensures cool compressor operation during high-temperature pull down for long life. Sequential starting of each compressor reduces the current demand on start-up. Each compressor is protected by high/low pressure switches. Care has been taken to use a minimum number of fittings, joints and welds to reduce the possibility of refrigerant leaks.

All electrical control components are UL approved. Each branch circuit is individually protected with class-CC fuses. A main power disconnect switch is provided on the front panel. The nichrome air-heater has a low watt-density and even heat distribution for reliable performance and fast response. A fusible link provides fail-safe protection against thermal runaways, in addition to the microprocessor-based high/low limit controller.

The side and rear panels are removable to permit complete access to the refrigeration system for ease of service and preventive maintenance.

About Copeland Glacier Compliant Scroll® Compressors
Compliant Scroll is the most reliable, most efficient and quietest compressor technology available today. Copeland's design allows the compressor to be more tolerant of liquid refrigerant and debris. Compliant Scroll compressors perform at higher efficiency levels than reciprocating compressors. They also have 50% fewer moving parts, which increases reliability and reduces sound levels. More about Scroll Compressors >>

Should I buy a TestEquity 1027S Single-Stage or 1027C Cascade Chamber?

TestEquity Single-stage refrigeration systems are capable of achieving workspace temperatures down to -35°C. This is fine for many commercial and industrial tests that require low temperatures of typically 0°C, -10°C or -25°C. A single-stage system uses one compressor to directly cool the workspace. Single-stage systems offer these benefits over similarly-sized cascade systems:

• Faster cooling rates.
• Higher live-load capacity.
• Quieter operation, more energy efficient (one compressor instead of two).
• Higher anticipated reliability and lower cost of maintenance over the life of the chamber.

TestEquity Cascade refrigeration systems are capable of achieving workspace temperatures down to -73°C. This is required for many ruggedized industrial, automotive and military tests that require low temperatures of typically -40°C, -55°C or -65°C. A cascade system uses two interdependent compressors. One compressor (low-stage) directly cools the workspace. The other compressor (high-stage) cools a heat-exchanger (cascade condenser) to remove heat from the low-stage. If you need to go below -35°C, choose the TestEquity 1027C.

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PRICING INFORMATION

TestEquity 1027C Temperature Test Chamber Includes programmable controller with RS-232 interface, high/low limit controller & alarm, window, interior light, adjustable shelf, 4" port on left and right side, chamber drain, built-in refrigeration gauges, casters, NIST traceable calibration certificate and manual. Input voltage must be specified at time of order. Specify 208V (TE-0724) or 230V (TE-0722) (3PH only). See below for 380/400V 50 Hz export voltage (Option 2050) and 460/480V 60 Hz (Option 2460).

TestEquity Price $23,095

OPTIONS & ACCESSORIES

0001 Circular Chart Recorder Honeywell DR4300 Series. One pen, 10" circular chart.	TestEquity Price $995
0003 GPIB Interface (Factory Installed Only) Converts the temperature controller's serial interface to GPIB. (order GPIB Option 1052 for short-term rentals)	TestEquity Price $895
0004 Controller Retransmit Outputs (Installed) Analog retransmit of chamber temperature, set point (or %RH on 1007H). Two outputs.	TestEquity Price $195
0005 Event Relays 7 Solid state relays to control remote AC devices. Rated 24 to 240 VAC, 0.05 to 2.5 A each.	TestEquity Price $395
0008 Dry Air Purge (Factory Installed Only) Requires 16 scfm supply air flow rate at 70°F and 100 psig (150 psig max) to be supplied by customer. Not available for short-term rentals.	TestEquity Price $3,895
0009 GN2 Purge (Factory Installed Only) Requires GN2 to be supplied by customer. Not available for short-term rentals.	TestEquity Price $995
0040 Additional 4" Port (Factory Installed Only) Specify location at time of order. Chamber comes standard with one port on the left and right side (2 total). Additional ports not available for short-term rentals.	TestEquity Price $249
1052 GPIB Interface (External interface converter box) Converts the temperature controller's serial interface to GPIB.	TestEquity Price $895
1055 Ethernet Interface (External interface converter box) Converts the temperature controller's serial interface to Ethernet. Connects to any TCP/IP 10/100 MHz network. VXI-11.3 compatible for easy control from any computer or operating system.	TestEquity Price $895
2050 Export Voltage Input 380 or 400V, 3PH, 50Hz Not available for short-term rentals.	TestEquity Price $1,595
2460 High Voltage Input 460 or 480V, 3PH, 60Hz Not available for short-term rentals.	TestEquity Price $1,595
2701 Extra Shelf with Clips for 1027 Chamber comes standard with one shelf.	TestEquity Price $325
300534 Port Plug, Silicone Foam, 4-inch Open-cell silicone sponge with closed-cell silicone facing. Replaces older style grey foam plugs and silicone stoppers.	TestEquity Price $26

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