Details
Specific Purpose Chambers
Specially designed for processes requiring clean and controlled environmental test conditions. (ISO class 5 air cleanliness as per ISO 14644-1)
Performance
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Microprocessor PID control / Temperature calibration / Automatic tuning.
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Exhaust duct is located at the upper right side of the unit to avoid influence other devices.
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Built-in differential pressure gauge for easy observation of HEPA filter condition.
Convenience
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Silicone-free construction for clean environment.
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Corrosion resistance stainless steel chamber.
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Maintenance of water supply are easily performed with a front water tank.
- Water level check indicated by water level bar in the tank.
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Water supply during operation is also available for long term test purposes.
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Direct water system provides user great convenience when performing long-term tests. (optional)
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Clear observation of samples.
- Tempered glass window with wire heater and lighting provides a clear view of samples in the chamber, beneficial for during testing.
- Inner glass door with entry ports for handling samples without affecting inner chamber temperature and humidity. (optional)
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Cable port for introduction of external probes or wires.
- 50mm diameter cable port comes standard on the left side of the unit.
- Additional 50mm or 80mm diameter cable ports, custom ordered. (optional)
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Casters for easy mobility during installation or relocation.
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User friendly LCD controller.
-5.7 inch colorful interactive touch type LCD controller.
- Set value and present value are clearly visible together on display.
- Operating progress visible in graph mode allow for direct data interpretation.
- Temperature and other operating parameters recorded with use of selectable recorder. (optional)
- Sufficient programmable control support.
- Programming operation.
Description |
LSTH-CR |
Programmable pattern capacity |
120 |
pattern repeat time |
999 |
Max. Segments per a pattern |
100 |
Available max. segments* |
1200 |
Programmable process time per a segment |
0 to 99 hr. 59 min. |
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* Even though the max. segments per a pattern are 100, available total segments are up to 1200 not 12000, so you need to arrange the number of segment and patterns properly.
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Computer interface.
- RS-485 communication port enables connection of up to maximum 9 units. Simultaneous monitoring and operating of multiple units is an available feature. (optional)
- Program patterns are simple to set with the use of our software.
- Storage of program information, backup of value settings, recovery, temperature, humidity values.
- RS-232 communication port comes standard
Safety Features
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Automatic shut off after overheat alarm.
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Low and empty water level alarm.
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Power supply leakage breaker.
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Over current protection.
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Open door alarm.
Model |
LSTH-CR-270 |
Chamber volume (L / cu ft) |
270 / 9.5 |
Controller |
Programmable, Touch screen type controller (5.7” color monitor) Local controller (fixed - command control) |
Temperature |
Range (℃ / ℉) |
-35 to 100 / -31 to 212 without humidity 20 to 85 / 104 to 185 with humidity |
Fluctuation 1) (±℃ / ℉) at 40℃ / 60%RH |
0.5 / 0.9 |
Variation 1) (±℃ / ℉) at 40℃ / 60%RH |
0.5 / 0.9 |
Time |
Heating - without humidity (min.) |
60 from -35℃ to 120℃ (-31℉ to 248℉) |
Cooling - without humidity (min.) |
65 from 20℃ to -35℃ (68℉ to -31℉) |
Humidity |
Range (%RH) |
30 to 90 ※ See page 234 for more detailed humidity range check. |
Fluctuation 1) (±%RH) at 60%RH / 40℃ |
3 |
Variation 1) (±%RH) at 60%RH / 40℃ |
3 |
Cleanliness |
Class 100 (ISO 14644-1) |
Refrigeration |
System |
Mechanical single stage refrigerator system (air-cooled condenser) |
Refrigerant |
R-404A |
Water supply |
Capacity |
15L (0.53cu ft) - Cartridge type |
Water quality |
pH6.2 to 7.2 / Electrical conductivity 20㎲ /cm to below |
No. of wire shelves (standard / max.) |
2 / 10 |
Distance of between shelves (mm / inch) |
40 /1.6 |
Max. load per shelf (kg / lbs) |
25 / 55.1 |
Permitted total load (kg / lbs) |
65 / 143.3 |
Dimension (W×D×H) |
Interior (mm / inch) |
600×700×648 / 23.6×27.6×25.4 |
Exterior (mm / inch) |
1180×1120×1935 / 46.5×44.1×76.2 |
Viewing windows (mm / inch) |
200×330 / 7.9×13 |
Net weight (kg / lbs) |
400±10 / 881.8±22 |
Cable port |
Basically one hole provided / Ø 50mm (2”) Optionally max. two holes available / Ø 50 or 80mm (2 or 3.2”) |
Interface port |
Basically RS-232C [RS-485-optional] |
Electrical requirements (230V, 1ph) |
60Hz / 29A |
50Hz / 29A |
※ Permissible environmental conditions: temperature (18 to 30℃) and relative humidity (up to 85%).
※ All specifications are under ambient temperature 20℃ (68℉), No load.