Jeiotech TH-CR-270 洁净恒温恒湿箱

Model: TH-CR-270
Manufacture: Jeiotech
Origin: Korea
Warranty: 12 months

Chamber Volume (L / cu ft)    270 / 9.5
Controller      PID control (LCD Type)
Temperature: -35~100℃
            Fluctuation 1) (±℃ / oF) at 40℃ / 60%RH  0.3
            Variation 1) (±℃ / oF) at 40℃ / 60%RH    0.3
Humidity: 20 to 85 %
             :Fluctuation (±%RH) at 60%RH / 40℃    3
             : Variation 2) (±%RH) at 60%RH / 40℃    3
Time: 60min (20℃ → 85℃)/ 65min (20℃ → -5℃)
Refrigeration: System Air - cooled, R-404A, Capacity (W) 1500
Material: Ni-Cr Wire Heater / SUS Tube Heater , Polyurethane
Interface Port    Basically RS-232C, [RS-485 : optional]
Dimension (W×D×H): Internal (mm / inch)    600×700×648 / 23.6×27.6×25.4   
                                : External (mm / inch)    1180×1120×1935 / 46.5×44.1×76.2
Net Weight (kg / lbs)    400±10 / 881.8±22

Datasheet

Temperature & Humidity Control Range

TH-CR-270

• 50 to 90% RH at 20℃
• 40 to 90% RH at 30℃
• 30 to 90% RH at 40 to 85℃

User-friendly Design

• Standard clean environmental test chambers.
• Silicone-free safe construction.
• High quality type 304 grade stainless steel exterior and interior.
• Casters for easy mobility when installing or moving environ-mental test chamber.
• Convenient maintenance-available to view total operating time.
• Unique door lock & trim.
  - Vice lock type door and foam silicone packing to ensure a perfect seal.
  - Door open warning alarm.
• Inner door.
  - Optional inner glass door comes with four holes to handle samples inside the chamber.
• Exhaust duct.
  - Exhaust duct is located at the upper right side of the unit.
• Chart Recorder. (optional)
  - 6 point dot type recorder with digital display.
• Container type tank for easy adding and changing of water.
  - Maintenance of the water tank can be easily performed from the front side.
  - Checking of the water level and the amount of water remaining in the tank can be performed by looking through the center viewing window.
• Viewing window.
  - Tempered glass window provides a clear view of samples in the chamber, beneficial during testing.
  - Fluorescent lighting source included.
• Cable port for external probes or wires.
  - 50mm diameter cable port comes standard on the left side of the unit.
  - Additional 50mm or 80mm diameter cable ports can be custom ordered. (optional)
• Easy cleaning of condenser air-filter.
  - To prevent deterioration of refrigeration system and keep filter dust free by periodically cleaning the filter. 
  
  

Operating & Constructional Features

• Microprocess PID control / Auto-tuning / Calibration.
• Chamber supports three different languages:
  English, Chinese, and Korean.
• CPU logic control system.
  - Optimum control of temperature / humidity with economical power consumption.
• Touch Screen Type Display.
  - 5.7-inch Color LCD display with interactive input system. (only floor type)
  - Easily visible set value: set point (SP) / present value (PV) are also added on the colorful LED controller.
  - Temperature & humidity, timer settings, and operation conditions.
  - Temperature, humidity, and other operating parameters can be recorded using a chart recorder.
• Programming operation. 
  

  Description	TH-CR-270
  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

  * 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.
• Computer interface.
  - Software provided.
  - Save data in excel format.
  - Storage of program information, backup of value settings / recovery, and temperature / humidity values.
  - RS-232C port as standard offer.
  - RS-485 communication port offers connection of a maximum of 9 temperature & humidity chamber units to one PC. (optional)

Safety Features

• Leakage breaker for power supply.
• Over current protection.
• Over heat protection.
• Automatic shut off after overheat alarm.
• Low and empty water level alarm.
• Door opening alarm.
• Vice lock door closing equipment.