Features
- Microprocessor control, stainless steel chamber, semicircular arcs at corners for easy cleaning
- Even air circulating system
- R134a refrigerant, 2 imported compressors and fan motor
- Over temperature and temperature difference alarms
- Imported humidity sensor which can be used in high humidity environment
- Balance temperature and humidity adjusting system
- There is a 25mm instruction connection hole on the left side of the chamber for easy testing operation and temperature measurement.
- UV light system for periodic sterilization of chamber. (Option)
- Independent audible and visible temperature-limiting alarm system ensures experiments run safely. (Option)
- RS485 connector can connect computer record and inspect the parameters and the variations of temperature.(Option)
Programmable Touch Screen
- Large LCD screen to display more data at same time
- English operation menu, display current data curves
- 100 groups with 1000 periods 999 circulations, max timing for each period is 99 hours 59 minutes.
- Auto lock after setting data.
- Available to programe on computer via RS-484 or RS-232
Safety device
- Compressor over-heat protection
- Fan over-heat protection
- Over-temperature alarm system
- Over-compressing protection
- Over-load protection
- Water lack protection
- With temperature & Humidity
Model: LHH-150SDP/LHH-250SDP/LHH-500SDP - With temperature , Humidity & Light
Model: LHH-150GSP/LHH-250GSP, LHH-SSG - With temperature & Light
Model: LHH-150GP/LHH-250GP
Storage conditions for long-term retention sample stability test
- Temperature: +25℃ ±2℃
- Humidity: 60±5%RH
- Time: 12 months
Storage conditions for accelerated stability test
- Temperature: +40℃ ±2℃
- Humidity: 70±5%RH
- Time: 6 months
Illumination under strong light conditions: 4500±500LX
Above related parameter is for reference only.
Specifications
| Model | LHH-80SD
LHH-150SD LHH-250SD |
LHH-80SDP
LHH-150SDP LHH-250SDP |
LHH-150GSD
LHH-250GSD |
LHH-150GSP
LHH-250GSP |
LHH-150GP
LHH-250GP LHH-400GP |
| Temperature control range | 0~65℃ | 0~65℃ without illumination 10~50℃ with illumination | |||
| Temperature Stability | ±0.5℃ | ||||
| Temperature Uniformity | ±2℃ | ||||
| Humidity Rang | 35~95%RH | / | |||
| Humidity Stability | ±3%RH | / | |||
| Illumination | / | 0~6000LX adjustable | |||
| Illumination difference | / | ≤±500LX | |||
| Timing Rang | 1~99 hours each period | ||||
| Humidity and temp adjusting | Balance temperature and humidity adjusting | Balance temperature adjusting | |||
| Cooling system/cooling mode | Two sets of imported compressor work rotationally ( LHH-80SDP only one set) | ||||
| Controller | Programmable ( LCD screen) | Programmable
( touch screen) |
Programmable ( LCD screen) | Programmable ( touch screen) | Programmable ( LCD screen) |
| Sensor | Temp: Pt100, Humidity: capacitance sensor | Temp: Pt100 | |||
| Ambient Temperature | RT+5~30℃ | ||||
| Electrical Requirement | AC220V 50Hz | ||||
| Power Consumption | 2000W/2100W/2300W | 2000W/2100W/2300W | 2250W/2500W | 2250W/2500W | 1450W/1700W/3200W |
| Chamber Volume | 80L/150L/250L | 80L/150L/250L | 150L/250L | 150L/250L | 150L/250L/400L |
| Interior Dimension
(W×D×H)mm |
400×400×500
550×405×670 600×500×830 |
400×400×500
550×405×670 600×500×830 |
550×405×670
600×500×830 |
550×405×670
600×500×830 |
550×405×670
600×500×830 700×550×1140 |
| External Dimension
(W×D×H)mm |
550×790×1080
690×805×1530 740×890×1680 |
550×790×1080
690×805×1530 740×890×1680 |
690×805×1530
740×890×1680 |
690×805×1530
740×890×1680 |
690×805×1530
740×890×1680 950×850×1850 |
| Shelves | 2/3/3(pcs) | 2/3/3(pcs) | 3/3(pcs) | 3/3(pcs) | 3/3/4(pcs) |
| Safety Device | Compressor overheating and overpressure protection, Fan overheating protection Over temperature protection, Overload protection, Water protections | ||||
| Remark | 1. Bulid in mini printer.
2. Paperless recorder (Option). 3. GP/GSD/GSP series products have installed intensity of illumination detector. 4. GP/GSD/GSP series products have installed intensity of illumination detector. |
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