Environmental Lab Equipment Mini Benchtop Temperature Humidity Test Chamber price

Fulfill the standard:

Performance indicators meet the requirements of GB5170, 2, 3, 5, 6-95 "Testing methods for basic parameters of environmental testing equipment for electrical and electronic products: Low temperature, high temperature, constant damp heat, alternating damp heat test equipment"

Basic environmental test procedures for electrical and electronic products Test A: Low temperature test method GB 2423.1-89 (IEC68-2-1) Basic environmental test procedures for electrical and electronic products Test B: High temperature test method GB 2423.2-89 (IEC68-2-2) Electrical and electronic products Product basic environmental test procedure test Ca: Constant humidity test method GB/T 2423.3-93 (IEC68-2-3)  Basic environmental test procedures for electrical and electronic products Test Da: Alternating damp heat test method GB/T423.4-93 (IEC68-2-30)

Detailed parameter performance: (refers to air-cooled type at room temperature 20℃, when no load)

1.1 Model: ST-50ZA

1.2: Inner box size: W350*H400*D300mm

Carton size: W580*H1350*D870mm

1.3 Temperature range: -20℃ ~ 150℃

1.4 Temperature fluctuation: ±0.5℃

1.5 Temperature deviation: ≤±2℃

1.6 Heating time: about 40 minutes from room temperature to 150°C (no-load nonlinearity)

1.7 Cooling time: about 60 minutes from room temperature to -20°C (no-load nonlinearity)

1.8 Humidity range: 20%~98%R.H.

1.9 Humidity fluctuation: ±3%R.H.

1.10 Humidity deviation: ≤3%

1.11 Temperature and humidity control range:

Structure and material:

A. Inner box material: stainless steel plate (SUS #304)

B. Outer box material: stainless steel plate through atomization treatment (SUS #304) or cold plate paint (optional)

C. Insulation material: rigid Polyurethane foam and glass wool

D. Air circulation system:

(1) 1 90W motor

(2) Stainless steel extended shaft

(3) Multi-wing fan (SIRCCO FAN)

E. Box door: single-piece door, single window, left opening, handle on the right hand side

(1) Window 260*340*40mm 3 layers of vacuum layer

(2)Flat embedded handle

(3) Back button: SUS #304

Freezing system:

A. Compressor: Fully enclosed compressor imported from France

B. Refrigerant: environmentally friendly refrigerant R404A

C. Condenser: Finned motor with cooling

D. Evaporator: fin type multi-stage automatic load capacity adjustment

E. Other accessories: desiccant, refrigerant flow window, expansion valve

F. Expansion system: capacity control refrigeration system

Control System:

Original imported from South Korea, full Chinese LCD 7-inch Korean 880 display LCD touch panel, screen dialogue input data,

Technical scheme of precision instrument testing equipment

Temperature and humidity can be programmed at the same time, curve display, set value/display value curve. Various alarms can be displayed separately, failures occur

When the fault is displayed on the screen, the fault can be eliminated and the misoperation can be eliminated. Multiple groups of PID control functions, precise monitoring functions, and displayed on the screen in the form of data.

1. Controller specifications:

a. Accuracy: temperature ±0.1℃, humidity ±1%RH

b. Resolution: temperature ±0.1, humidity 1%R.H.

c. Temperature slope: 0.1~9.9 can be set

d. With upper and lower limit standby and alarm function

e. Temperature and humidity input signal selection PT 100Ω×2 (dry bulb and wet bulb)

f. Temperature and humidity conversion output: 4~20MA

g. 6 groups of P.I.D control parameter settings, P.I.D automatic calculation, automatic correction of dry and wet bulb

2. Screen display function:

a. Touch input, display options directly on the screen

b. Direct display of temperature and humidity setting (SV) and actual (PV) values (in English)

c. It can display the current program number, segment number, remaining time and cycle times

d. Running cumulative time function

e. The temperature and humidity program setting value is displayed in a graphic curve, with real-time display program curve execution function

f. With a separate program editing screen, directly input temperature, humidity and time

3. Program capacity and control function:

a. Available program groups: up to 100 groups

b. Usable memory capacity: 5000 SEGMENTS in total

c. Commands can be executed repeatedly: each command can be up to 9999 times

d. The production of the program adopts dialogue style, with editing, clearing, and other functions

e. SEGMENTS time setting 0~530Hour59Min

f. With power-off program memory, it will automatically start and continue to execute the program after power is restored

g. Real-time display of graph curve during program execution

h. With date and time adjustment function

i. Key and screen lock (LOCK) function

Standard configuration:

A. Power cord 4.0 mm²*3 core

B. One 232 export terminal

C. Stainless steel SUS #304 square punching steel plate rack

D. 8 stainless steel adjustable spacing buckles

E. One 11W energy-saving lighting window lamp

F. One ψ50mm test hole on the left side of the body and one stainless steel hole cover.

G. 1 piece of non-woven fabric for standard test

H. One set of controller instruction manual, one set of operation manual

Surroundings:

(1). The allowable operating temperature range is 0~35℃

(2). Performance guarantee range: 5~35℃

(3). Relative humidity: no more than 85%

(4). Atmospheric pressure: 86~106Kpa

(5). No strong vibration around

(6). No direct sunlight or other heat sources

(7). Natural drainage: The drainage pipe must not be raised in the middle, and the floor of the house must not be extremely inclined.