Thermotron’s S-4 Chambers are high-performance chambers with 113 liters of workspace. The efficient refrigeration system provides moderate temperature change rates while allowing the chamber to consume less power than comparable test chambers.
S-4
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| Model Number | Workspace Volume | Cooling Performance | |
|---|---|---|---|
| SM-4-8200 Benchtop Environmental Chamber | 4 ft³ 113 L |
14 minutes 85°C to -40°C |
Standard
Casters
To increase and improve chamber mobility, many standard and upright chambers come with casters. This feature is helpful for servicing the chamber and cleaning around the lab. Leveling pads secure the chamber in one spot.
Product Temperature Control
Product Temperature Control (PTC) is a software and thermocouple system used to increase product temperature ramp rates with user-defined temperature offsets. This feature is set up and controlled through the 8800 Controller.
During conventional environmental testing, the workspace air temperature setpoint is achieved before the product temperature reaches it. The product temperature will lag behind and approach the air temperature at an exponentially decreasing rate. PTC reduces product ramp times by up to 50% by over-driving the chamber’s conditioning system until the product temperature achieves the desired setpoint.
In the above example, the workspace air temperature reaches 65°C and holds until the desired product temperature setpoint of 55°C is achieved. Once the product temperature approaches the setpoint, the air temperature converges with the product temperature so both are at 55°C. This ensures accurate test results for your product during environmental testing. PTC works for both heating and cooling. This feature is standard on most models.
ThermoTrak II
Thermotron's ThermoTrak II™ software has innovative capabilities to make test chamber control more efficient than ever before. Designed with input from engineers worldwide, ThermoTrak II™ has been designed to simplify lab management and improve performance by saving time, increasing productivity and cutting costs.
ThermoTrak II™ is a networking system that provides access to chamber programming, operating, data acquisition and display functions from a single PC. It allows for multiple Thermotron chamber controllers to be linked and automates and simplifies your testing process. It also allows you to run several test profiles simultaneously.
The exclusive instrumentation, operating speed and equipment compatibility elevates productivity and its tracking and recording features make data collection more accurate and efficient. While the Microsoft Windows® based environment makes setting up and using the ThermoTrak II™ software easy.
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| ThermoTrak II Software Specifications | |
|---|---|
| Thermotron Controllers Supported | 2800, 3200, 3800, 4800, 6850, 7800, 7825, 8200, 8800, 8825, Oven |
| Interface Capabilities | RS232, RS485, GPIB (IEEE-488), Ethernet (TCP/IP) |
| Maximum Number of Controllers | Up to 32 |
| Maximum Control Channels | 4 (controller dependent) |
| Data Log/Graph Resolutions | Adjustable per controller; 2-3,600 second increments |
| Maximum Graph/Data Log Display Readings | 32,000 per logged item |
| Maximum Data Log File | Limited only by hard drive space |
| Operating System Required | Microsoft Windows® 95, 98, 2000, NT, XP, Vista, 7, or 10 |
Shelves
Often times products under test need to be placed on shelves or racks for optimized testing. Shelves and racks are custom made for each application. Every chamber comes with one adjustable shelf, more can easily be added.
Optional
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Window
Almost all Thermotron chambers come with one standard window. Additional windows are available. Windows can also be custom sized and shaped to accommodate product viewing. Consult with your local sales representative for more information. -
Interior Light
Interior lights illuminate the workspace during a test and while the door is open. This is important because users will be able to see all parts of the workspace the entire time he or she is using the equipment. -
Boost Cooling and Heating
Boost cooling and heating options enhance performance on select environmental test equipment. Liquid nitrogen Boost and Carbon Dioxide Boost are cooling injection systems that enable faster pull-downs and product temperature change rates in an environmental chamber. Adding the extra heat feature to your environmental chamber accelerates the test chamber's heating capabilities to improve air and product temperature change rates. -
CSA or CE Electrical Codes
For equipment going to Canada or the European Union, Thermotron can build the equipment to CSA or CE electrical codes to ensure the safety of equipment users and the facility. -
Door Interlocks
As an optional safety feature the door interlocks prevent the chamber door from opening during a test. -
Electronic Humidity Sensor
The Electronic Humidity Sensor is located in the chamber workspace to monitor the humidity levels the product is experiencing. This sensor eliminates the need for maintenance-intensive thermocouple wicks and float tanks. -
Humidity
Many Thermotron environmental chambers have the optional feature of humidity to diversify the utility of the climatic chamber. Precise uniformity and tight control characterize the high-performance specifications of the humidity system. Thermotron humidity systems can be configured for a direct-feed facility hook-up or using a water reservoir. The system’s steam generator achieves high volumes of moisture with consistent water vapor levels and more repeatable test result. The SE-Series Temperature Humidity Chambers have a patented, modular, full-range humidity system. This allows a temperature chamber to be retrofitted and upgraded to a temperature humidity chamber. Humidity tests can be monitored through the environmental chambers’ controllers. -
Reinforced Floors
Reinforced floors are used in multiple Thermotron chambers. Their purpose is to increase weight handling as well as assist in distributing product load weight. -
Water Purification and Recirculation System
The Water Purification and Recirculation System is an optional feature on humidity systems for Thermotron equipment. This system purifies water to be within the recommended working limits of the chamber and the recirculation aspect takes water that has already be used in the humidity system and reuses it after it has been purified. -
Access Port
Access ports are available to easily reach into the environmental chamber to adjust the product under test. Most climate chambers come with one standard port. Additional ports can be added to the environmental chamber. Access Ports are constructed of stainless steel, heliarc welded to the interior liner. Environmental chamber users select the access port size and location at no additional charge. Port availability may vary depending on environmental chamber model. Custom options are available.
The following are the most standard sizes:- 3" (7.5 cm)
- 4" (10 cm)
- 5" (12.5 cm)
- 6" (15 cm)
- 8" (20 cm)- HALT Chamber Only
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Air Cooled Condenser
Air Cooled Condensers for environmental chambers take the heat of out the equipment's refrigeration system. On smaller and standard Thermotron environmental equipment, the air-cooled condenser is located inside the environmental chamber. A remote air-cooled condenser is available for equipment with higher performance requirements or larger compressors. Water-cooled condensers may also be available, depending on environmental chamber model. Contact your local sales representative for more information. -
Cable Notch
The cable notch is an optional feature located on the latch side of the environmental chamber in the door frame. The notch provides easy removal of cabling to the exterior of the environmental chamber. A plug is included to cover the open section and preserve the environment inside the test chamber. -
Custom Colors
You are probably used to only seeing a Thermotron environmental chamber or electrodynamic shaker in just one of two colors – blue and gray. But we can in fact paint your piece of test equipment any color you like, provided you let us know which one.
Custom paint color is an available optional feature for equipment purchased from Thermotron, and the process is quite simple. During the quote process, you work with our Sales and Application Engineers and simply notify them what color you want your test equipment to be painted. We primarily work with RAL and FED-STD-595C – Color Standards, but if you provide us with a color and the standard it comes from we will work with our paint supplier to ensure that your environmental chamber or electrodynamic shaker is painted your specified color.
So, why would you want to have your climate chamber painted a different color? There are many reasons here are a few of the most common:
- Branding – customers want to have their equipment painted to promote their brand, and incorporate their branding colors into items their staff and customers see every day.
- Grouping – Some customers with many Thermotron chambers in their lab need them to be color coordinated by function, ability, or size.
- Safety – We have also had customers request that only certain parts of the environmental chamber or electrodynamic shaker are painted. For example we had a customer paint all electrical panels bright orange to highlight potential safety hazards.
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Dry Air Purge
This option enables reduced moisture operation at low temperatures, dewpoints at -40°C. The system consists of a flow meter, regulator and control solenoid for program operation. It utilizes compressed air as the supply source and is very helpful in minimizing moisture in the chamber. This feature is built within the chamber, so no additional floor space is needed. -
Glove Ports
Glove ports are ports located on the front or sides of the chamber that allow users to place their hands inside the chamber and adjust the product under test without interrupting the workspace condition. Arm ports can also be placed on Thermotron’s patented Universal Port option (SE-Series only) for occasional use. -
Low Humidity
A standard humidity system is designed to enable temporary operation down to -10°C dewpoint in a humidity chamber. A low humidity option will enable extended operation down to 5 grains of moisture per pound of dry air minimum limitation and humidity range from 5% RH to 98% RH. The low humidity option on a humidity chamber incorporates a dry air purge for ultra low dewpoints. It also adds a bubbler humidity system which allows small amounts of moisture to be added to the air in the humidity chamber for low humidity control. This eliminates problems associated with adding hot steam to a cold environment which creates two problems: heat that needs to be taken out of the system and steam generator oscillation. -
Oxygen Monitor
The Oxygen Monitor is mounted on the outside of the chamber when using LN2 or CO2 Boost to ensure that the level of oxygen in the room is at a safe level or chamber users. It is a standard safety feature. -
Therm-Alarm
Thermotron's Therm-Alarm™ protects against temperature extremes. Built-in self diagnostics continually monitor operating systems, tracing problems before they occur and reducing troubleshooting time. This feature provides audible, visual, and relay contact indication of a temperature which exceeds a prescribed high or low limit.
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