DSP-HT Desktop Low Temperature Box DSP-HT

mechanical properties

DSP-HTDesktop low-temperature box

CHARACTERISTICS

1.The Balanced Temperature Control System (DSPHT) controls SSR in a P.I.D. manner to ensure that the heating amount of the system is equal to the heat and moisture loss, thus enabling long-term stable use

2.New and perfect modeling design, high quality appearance, systematic design and manufacture of essence of advanced technology from Japan and West Germany

3.Adopting full capillary tube and automatic load capacity adjustment system technology, it is more stable and reliable than the expansion system, with precise temperature and humidity control, fast, stable, and even temperature rise and fall speed, saving valuable time for users

A:Model: DSP-HT (air-cooled 1 unit)

B:Performance:

1.Temperature range: -30 ℃ -+60 ℃

2.Temperature fluctuation: ± 0.5 ℃

3.Temperature uniformity: ± 1.5 ℃

4.Minimum temperature limit: -31 ℃

5.Maximum temperature limit: 60 ℃

6.Heating time: From+20 ℃ to+60 ℃, non-linear no-load for less than 30 minutes

7.Cooling time: from+20 ℃ to -40 ℃ for less than 50 minutes, non-linear no-load

8.The rate of temperature change is the average rate of change in air temperature, not the rate of change in product temperature

Note:

1.The performance measured after stabilizing for 20 minutes under no test load and no layer frame conditions.

2.The temperature rise and fall time refers to the performance measured by an air-cooled system when the ambient temperature is 26 ℃± 5 ℃

3.The temperature sensor is set at the air outlet of the circulation motor.

4.The temperature uniformity is defined as the data measured at the geometric center point of the experimental machine under temperature and humidity conditions.

2、 Test box structure

1Inner box size: W350 × H400 × D350 (mm)

Outer box size: W800 × H750 × D800 (mm)

2Chassis material:

a.Outer box material: special anti rust treatment electrolytic board spray painted (computer white)

b.Inner box material: SUS304 mirror stainless steel plate

3. Insulation material: high-density PU hard foam

4. Outer box base: national standard angle iron+national standard channel steel+electrolytic plate spray painted with special rust prevention treatment

5.Test case door: 1 set of single panel doors, left opening, handle on the right-hand side

a.Material: Same as the test case

b.Handle: Stainless steel handle

c.Rear button: SUS # 304

d.Window 260 × 340 × 20mm triple layer vacuum glass layer

e.Test hole: 1 50mm hole on the left side of the body, with 1 stainless steel hole cover and 1 silicone plug

6.Supply air circulation system:

a.Motor: 1 set of AC220V 60W extended shaft.

b.Multi wing wind turbine.

7.Heating system: finned heat dissipation tube shaped stainless steel electric heater for air circulation heating

8.Freezing system: air-cooled single-stage automatic load capacity adjustment technology.

 System and Compressor: (France) Original imported "Taikang" brand fully enclosed compressor refrigeration system

 Cooling method: air-cooled fan condenser

 Evaporator: (Taiwan Zhongli) Evaporator fin type automatic load capacity adjustment

 Expansion system: Danish DANFOSS automatic capacity control refrigeration system

 Refrigerant: Adopting green and environmentally friendly (HFC) with zero ozone coefficient. (USA) Lianxin refrigerant R-404A

 Freezing accessories:

Expansion valve (Danish DANFOSS), solenoid valve (Japanese Eagle Palace), filter (Danish DANFOSS), pressure controller (Danish DANFOSS), globe valve (Danish DANFOSS), oil separator (European and American ALCO), oil pressure switch (Japanese Eagle Palace), compressor refrigeration oil (American Ice Bear) and other refrigeration accessories are all imported parts

3、 Control system:

Temperature controller: TEMI imported 580 color LCD display from South Korea, with a 5.7 'human-machine interface touch screen direct button programmable controller. It has a wide viewing angle for both Chinese and English expressions and 320 × 240 point graphics, high contrast and adjustable backlight function

a.Controller specifications:

 Accuracy: Temperature ± 0.1 ℃+1 digit

 Resolution: Temperature ± 0.01, humidity ± 0.01% R.H

 Temperature slope: 0.1-9.9 can be set

 Equipped with upper and lower limit standby and alarm functions

 Temperature input force signal electronic temperature sensor

 Temperature conversion output: 4-20mA

 9P.I.D control parameter setting, P.I.D automatic calculation

b.Screen display function:

 Face to face dialogue with drawing, no need to press keys, touch options directly on the screen

 The temperature setting (SV) and actual (PV) values are displayed directly

 It can display the current program execution number, segment number, remaining time, and number of cycles

 Accumulated operation time function

 The temperature program setting value is displayed as a graphical curve, with real-time display of program curve execution function

 With a separate program editing screen, each page can input at least 5 segments of temperature and time

 Chinese and English can be switched freely

 The screen can be adjusted for backlight

 The screen display protection function can be set to timer, TIMER, or manually turned off

c.Program capacity and control functions:

 Available program groups: up to 100 PATTEN

 Available memory capacity: 1200 SEGMENT in total

 Repeatable command execution: Each command can be executed up to 999 times

 The production of the program adopts a conversational style, with functions such as editing, clearing, and inserting

SEGMENTSSet the time from 0-99Hour59Min.

 Equipped with power-off program memory, it automatically starts and continues to execute program functions after power restoration

 It has the function of automatic adjustment of freezing ability

 Equipped with RS-232 communication interface (software sold separately)

 Real time display of graphical curves during program execution

 It has the function of scheduled startup and shutdown

 Has date and time adjustment function

 Button and screen lock (LOCK) function

d.Main electrical components:

 AC contactor: (Fuji, Japan)

 Thermal relay: (Fuji, Japan)

 Communication relay: (Japan OMRON)

 Time relay: (Taiwan CKC)

 Temperature controller: TEMI580 from South Korea

 Overtemperature protector: (Fuji, Japan)

 Main power switch: (Fuji, Japan)

 Solid state relay: (Taiwan CKC)

 Circulating motor: (Mitsubishi, Japan)

 One main power switch for the entire machine (Fuji, Japan)

 One lighting button switch (Fuji, Japan)

 Wind Wheel: (Taiwan Jianyu)

 Key switch: (Fuji, Japan)

 Overtemperature protector: (Taiwan Zhihe)

e.control panel:

 One temperature controller (Korean TEMI580)

 One power key switch (Fuji, Japan)

 One lighting button switch (Fuji, Japan)

 One main power switch for the entire machine (Fuji, Japan)

4、 Safety protection device:

 Studio over temperature protection device

 Heater short circuit, overload

 Reverse phase and under phase protection device

 Compressor overheat protection switch

 Compressor high pressure protection switch

 Compressor overcurrent protection switch

 Leakage circuit breaker protection switch

 Overload of blower motor

 Grounding protection

5、 Standard configuration:

1.Large vacuum tempered glass perspective window with embedded heating element 340 × 450 × 20 (mm) 1

Block.

2.One test hole with an inner diameter of ￠ 50 (mm), accompanied by one stainless steel hole cover and one silicone plug

Only.

3.Lighting inside the box: AC220V 13W x 1 unit.

4.No fuse switch.

6、 Execution and compliance with standards

1.GB/T10589-1989Technical conditions for low-temperature test chamber

2.GB/T10592-1989Technical conditions for high and low temperature test chambers

3.GB2423.34-86.MIL-STD883(Method 1004.2) High and low temperature combined cycle test

4.GB/T2423.4-93(MIL-STD810)Method 507.2 Program

7、 Power requirements for equipment use

1.Power supply: 1 ￠ AC220V, 50/60HZ; Voltage fluctuation allowable value: 10% of the fixed voltage

2.Maximum capacity load: 2.5 KAV

3.Maximum operating current: 5.0A