TH-KH-300 Constant Temp. and Humidity Chamber, 380V 50Hz (300L)
Temp. & Humid. Chambers (TH-KH-300) (300L)
Wide temperature range down to -70 °C and high advanced safety features for quality and reliability
Control range
Temperature ranges from -70 to 150°C Humidity ranges from 25 to 95% RH
Performance
Microprocessor PID control / Temperature calibration / Automatic tuning.
Advanced performance of low and high temperature and humidity control, achieved by adapting the humidification tank exterior to the chamber, added benefit for long term test.
Water recycling and filtering system reduce water consumption for longer operation.
Air-tight door closure with perfect sealed packing:
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Heat-resistant silicone packing completely blocks high heat leakage from the inner chamber.
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Two-point door latch also enhances tightness to door closure.
Energy efficiency is achieved by optimization of the insulation system:
- Even if the unit is operating at max. temperature, the surface of the unit doesn’t allow high temperatures of over 60℃.
- Built in door lock with a key.
- Automatic shut off after overheat alarm.
- Low and empty water level alarm.
- Power supply leakage breaker.
- Over current protection.
- Open door alarm
Convenience
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Three different volume sizes are available to suit any users 'needs.
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Various volume sizes, available to suit any users’ need.
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Corrosion resistance stainless steel chamber and electric polished humidification tank.
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Maintenance of water supply are easily performed with a front water tank.
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Portable water container makes supplying water convenient.
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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
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Tempered glass door with built in heating wire.
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Energy efficient, long life span LED lighting.
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Wider view, inner glass door is available for monitoring of samples. (optional)
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Cable port for introduction of external probes or wires.
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50mm diameter cable port comes standard on the left side of the unit.
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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.
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5.7-inch colorful interactive touch type LCD controller.
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Set value and present value are clearly visible together on display.
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Operating progress visible in graph mode allow for direct data interpretation.
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Built-in SD card drive.
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Trilingual support. (English / Chinese / Korean)
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Temperature and other operating parameters recorded with use of an selectable recorder. (optional)
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Sufficient programmable control support.
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| Description | No |
|---|---|
| Programmable pattern capacity | 100 |
| Pattern repeat time | 999 |
| Max. segments per a pattern | 100 |
| Available max. segments* | 2000 |
| Programmable process time per a segment | 0 to 99hr. 59 min. 59 sec. |
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.
Specifications
| Model | TH-KH-300 | |
|---|---|---|
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Chamber volume (L / cu ft) |
302 / 11.9 |
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Controller |
Programmable, Touch screen type controller (5.7” color monitor) |
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Temperature |
Range (℃ / ℉) |
-70 to 150 / -94 to 302 without humidity, 15 to 90 / 59 to 194 with humidity * Best programmable control range : -60 to 140 / -76 to 284 |
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Fluctuation 1) (±℃ / ℉) at 40℃ / 75%RH |
0.3 / 0.54 |
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Variation 1) (±℃ / ℉) at 40℃ / 75%RH |
0.5 / 0.90 |
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Time |
Heating - without humidity (min.) |
70 from -70℃ to 120℃ (-96℉ to 248℉) |
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Cooling - without humidity (min.) |
80 from 20℃ to -70℃ (68℉ to -96℉) |
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Humidity |
Range (%RH) |
25 to 95 |
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Fluctuation 1) (±%RH) at 75%RH / 40℃ |
0.4 |
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Variation 1) (±%RH) at 75%RH / 40℃ |
3.0 |
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Refrigeration |
System |
Mechanical dual stage refrigerator system (air-cooled condenser) |
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Refrigerant |
R-507, R-23 |
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Water supply |
Capacity |
15L (0.53cu ft) - Cartridge type |
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Water quality |
pH6.2 to 7.2 / Electrical conductivity 20㎲ /cm to below |
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No. of wire shelves (standard / max.) |
2 / 10 |
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Distance of between shelves (mm / inch) |
60 / 2.4 |
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Max. load per shelf (kg / lbs) |
25 / 55.1 |
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Permitted total load (kg / lbs) |
65 / 143.3 |
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Dimension (W×D×H) |
Interior (mm / inch) |
600×630×800 / 23.6×24.8×31.5 |
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Exterior (mm / inch) |
1150x1615x1760 / 45.3x63.6x69.3 |
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Viewing windows (mm / inch) |
200×330 / 7.9×13 |
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Net weight (kg / lbs) |
385 / 848.8 |
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Cable port |
Basically one hole provided / Ø50mm (2”) - Optionally max. two holes available / Ø 50 or 80mm (2 or 3.2”) |
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Interface port |
Basically RS-232C [RS-485-optional] |
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| Electrical requirements (380V, 50/60Hz) | 3ph / 10.2A | |
| Cat. No. | AAHC3110K | |
1) Technical data according to DIN 12880, IEC 60068.
※ Permissible environmental conditions: temperature (18 to 30℃) and relative humidity (up to 85%).
※ All specifications are under ambient temperature 20℃ (68℉), No load.
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