ESPEC
The Widest Selection of Test Chambers
ETS4-2CW
4 Cubic Foot Two Zone Thermal Shock
Specifications
| Item | Value |
|---|---|
| Specifications are for reference only. Please contact ESPEC for detailed information. | |
| Interior Volume | 4 cu. ft. 100 Liters |
| Interior Dimensions (W x D x H) |
20" x 20" x 16" 500 x 500 x 500 mm |
| Exterior Dimensions (W x D x H) | 68" x 96" x 84.2" 1750 x 2450 x 2140 mm |
| Temperature Range | -75 to 200°C -103 to 392°F |
| Test Performance Example | Test: Mil-Std 883 1010.7 Range: -65 to 150°C Recovery: 15 min. worst-case on-product Load: 20 lbs. IC chips |
| Power | 460V or 380/415V 60A max |
| Water-cooling Peak Demand (ask for details) |
7 GPM |
| Maximum Sound Level (1 meter away) | 70 dBA |
| Temperature Fluctuation (at control sensor) | ±1°C (after recovery) |
| Refrigeration System | Cascade 7.5hp Discus (reciprocating) |
| “Price Rank” (Comparing to other models in this product category. |
#10 out of 18 ranked |
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Features
Representative photo of this series.
Chamber Design Features:
- Vertical-lift thermal shock chamber with separate hot and cold temperature zones
- Direct-drive system for reliable transfer between zones (maximum load 150 lb.)
- The basket carrier includes an adjustable shelf pilaster and one wire mesh specimen basket
Refrigeration and Plenum:
- Refrigeration maintains user-set low temperature in cold zone
- Two ¾ hp blower motors circulate the air (one per zone)
- Dry air purge system extends the time between defrost cycles
- Non-CFC cascade refrigeration system using semi-hermetic Copeland Discus compressors
- Hinged service access doors with lockable snap-action latches
- Sound levels below 70 dBa
- Three levels of overheat protection
ESPEC’s Exclusive SCP-220TS Programmer:
- User-friendly touch-screen operation with 6.5" color display
- The trend-graph display shows a record of setpoints and actual values
- Cycle-time reduction function in compliance with Mil-Std 883, 1010.7
- Product thermocouple senses when samples are at temperature to start soak time early
- 20 user-definable programs can be saved with alphanumeric names
- System alarms are stored in memory for historical review
- Activated alarms provide on-screen troubleshooting help
- Built-in timer functions allow the chamber to be started or shut down automatically
- User-set independent overheat and overcool protectors
- Computer interface RS-232