Programmable Highly Accelerated Stress Testing HAST Test Chamber Calibration report

1. Model: HAST-35

2. Dimension:

   Internal Dimension: 350×450 mm(φ×D)

   External Dimension: 900×1350×900mm (W×H×D)

   Inner and exterior material with SUS# 304 stainless steel ,or external with powder painted.

3.Performance               

  1. Temp.Range: 105  ~ 135 Free setting (saturated steam temperature). 

  2.   Temp. Fluctuation :±0.5

  3.Temp.Uniformity : ±  3.0    

  4. Humidity Range : 70%~100%RH 

  5.Humidity Fluctuation :±3.0 %R.H.

  6.Humidity Uniformity : ±5.0 %R.H.                    

  7. Temp. Rising Time :  ( RT+10 )   ~  135 About 40 mins         

  8. Pressure Time : (Ambient)/ 0.0Kg/cm2 ~ 1.00Kg/cm2  about 40 mins

4.Structure :

  1. Inner material with SUS#316 stainless steel, external material with SUS#304 material or powder painted .

  2. Chamber box insulation material: extra-fine glass wool .

  3. Door insulation material: glass fibre .

  4. Internal chamber air adjustment : heater, humidifier, waterspout, temperature, humidity and pressure sensor.

  5. Standard configuration:

    5.1Flush type rotating handle;

    5.2 Door hinge : SUS#304 Stainless steel

    5.3 Grid type sample Shelf: SUS#316 Stainless steel

    5.4 Track for sample shelf: SUS#316 Stainless steel

  6.Chamber Door : Single open door, left open,

  7. Control Panel: LCD display, alarm system, Manual pressure relief valve, communication interface etc.

  8. Mechanical room: water tank, cooling fan, auto water supply pump, water replenishing electromagnetic valve,water level box, water drainage hole.

  9.Heater: stainless steel electrical heater heating method.

  10. Humidifier:  water wheel steam humidification system.

  11. Cycling method: forced air circulation system.

  12. Power line and water drainage hole: on the back side of the machine .

  13 .Water supply system: adopt automatic water supply system, no interrupt of the testing .

  14.Manual pressure relief : manual pressure relief valve use for emergency .

  15. Drying function : electrical drying or vacuum drying method optional, ensure the testing sample in drying state after testing . When testing end, the machine will automatically relief the pressure and drying .

  16.Other function: saturated steam, unsaturated steam, fix value control, programmable control method able to switch.

5. Electrical Control System

  1.Touch type color LCD display,  Both Chinese and English language available.

  2.Original imported 5 inch LCD display, with 30 programs, each 540h59min, able for segmentation settings, and with multiple PID control function.

  3. Specification :

     Accuracy: Temperature ±0.11digit ;Humidity ±1%R.H1digit ,

                       Pressure ±0.1%R.H1digit .

     Resolution: Temperature±0.01;Humidity±0.1%R.H.Pressure : 0.1/cm2

     With upper and lower limits standby and alarm function.

     Temperature humidity input sensor:(RTD) PT-100Ω×2(Platinum resistance).

     Pressure input signal:420ma.

     9groups P.I.D control parameter setting, P.I.D auto calculating ,temp& humidity wet and dry bulb automatic calculation.

6.Safety Devices

  Adjustable over temperature protection

  Over pressure protection

  Over pressure double protection

  Over temperature alarm