Testequity Model 140 Environmental Test Chamber

US $6,999.00

United States
Mar 26th

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This unit is being sold "as is" in used condition. The unit has only been used a few times since purchased new. Excellent condition. Like new. Model 140 provides full-range temperature testing with the smallest footprint in its class. -73°C to +175°C Temperature Range 4 Cu Ft Workspace, 22"W x 18"H x 18"D (116 Liters) Original F4 Temperature Controller High/Low Limit Control and Alarm Viewing Window & Interior Light 4" Access Ports on Left & Right Side Non-CFC Cascade Refrigeration Made by TestEquity in Moorpark, California 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° resolution. Internal logic provides refrigeration compressor control for responsive and reliable performance. Includes two alarms and seven event outputs to control remote devices. High/Low Temperature Limit Controller and Alarm Provides independent protection against excess temperatures. Both high and low limits can be set. 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 has a drain to permit removal of condensate from the evaporator that can occur when cycling between low to high temperatures. Casters Rugged 3" casters permit easy movement. Power Cord with Plug Heavy-duty power cord has a NEMA L6-30P twist-lock plug. Chamber requires 230V, 1 PH power. 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 a pressure switch. 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. 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. Condensed Specifications Temperature Range -73°C to +175°C Tolerance Control: ±0.2°C; Uniformity: ±0.5°C Rate of Change Heat: 7°C/min; Cool: 4°C/min (avg., -40°C to +85°C) Inside Dimensions 22"W x 18"H x 18"D (4 Cubic feet) Outside Dimensions 30"W x 64"H x 42"D Input Power 208 or 230V, 1 Ph, 60 Hz, 25A (30A minimum service)

Condition	Used : An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes	“Mint condition. Unit has only been used a few times since purchased new.”