Constant temperature and humidity test chamber

Humidity Chamber

As the name suggests, it is an experimental equipment that can accurately control the internal environmental temperature and humidity, and maintain stability at the set values. It is mainly used to simulate how the performance, reliability, and durability of products will change under specific temperature and humidity conditions.

The constant temperature and humidity test chamber is a key equipment in modern industrial research and quality control. It accurately reproduces various temperature and humidity environments, helping engineers discover potential defects in products, evaluate product lifespan, and improve product quality and reliability

Humidity Chamber

225L-40℃ ～ 150℃Technical Specifications

Meet the standards:

Performance indicators meetGB5170、 2. Requirements for Basic Parameter Calibration Methods of Environmental Testing Equipment for Electrical and Electronic Products - Low Temperature, High Temperature, Constant Damp Heat, and Alternating Damp Heat Testing Equipment (3-5, 6-95)

Basic Environmental Testing Regulations for Electrical and Electronic Products experimentA: Low temperature test method GB 2423.1-89 (IEC68-2-1)

Basic Environmental Testing Regulations for Electrical and Electronic Products experimentB: High temperature test method GB 2423.2-89 (IEC68-2-2)

Basic Environmental Testing Regulations for Electrical and Electronic Products experimentCa: Constant Damp Heat Test Method GB/T 2423.3-93 (IEC68-2-3)

Basic Environmental Testing Regulations for Electrical and Electronic Products experimentDa: Alternating Damp Heat Test Method GB/T423.4-93 (IEC68-2-30)

Humidity Chamber

1Detailed specificationsperformance：（Refers to air-cooled at room temperature20 ℃, when unloaded）

1.1 Model:225B

1.2：Inner box size:W600*H750*D500mm

Outer box dimensions:W1120*H1700*D1120mm

1.3 Temperature Range:-40℃ ～ 150℃

1.4 Temperature fluctuation:±0.5℃

1.5 Temperature deviation: ≤±2℃

1.6warm-up timeRaise from room temperature to 150 ℃ for about 40 minutes（no-loadNonlinear)

1.7Cooling time: Reduce from room temperature to-4About 0 ℃60Minutes（no-loadNonlinear)

1.8Humidity range:20%～98%R.H.

1.9Humidity fluctuation:±3%R. H.

1.10Humidity deviation:≤3%

1.11Temperature and humidity control range:

1Structure and Material：

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

B. Outer box material: Stainless steel plate treated with atomizationOr cold plate baking paint (optional)

C. Insulation material: hard polyurethane foam and glass wool

D. Supply air circulation system:

(1)90W motor1 unit

(2)Stainless steel extended axis

(3) Multi blade fan (SIRCCO FAN)

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

(1) Window 260x340x40mm 3-layer vacuum layer

(2)Flat embedded handle

(3) Rear button: SUS # 304

IIIFreezing system：

A. Compressor: Imported fully sealed compressor

B. Refrigerant: Environmentally friendly refrigerant R404A

C. Condenser: fin type with heat dissipation motor

D. Evaporator: finned multi-stage automatic load capacity adjustment

E. Other attachments: desiccant, refrigerant flow window,expansionvalve

F. Expansion system: Capacity controlled refrigeration system

4、 Control system:

Import880displayLCD touch panel, face-to-face interactive input data, temperature and humidity can be programmed simultaneously，Curve display, set value/Display value curve. Multiple alarms can be displayed separately, and faults can be displayed on the screen when they occur, eliminating faults and misoperations. Multiple sets of PID control functions, precise monitoring functions, and displayed in the form of data on the screen．

1. Controller specifications:

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

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

c. Temperature slope: adjustable from 0.1 to 9.9

d. Equipped with upper and lower limit standby and alarm functions

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

f. Temperature and humidity conversion output: 4-20mA

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

2. Screen display function:

a. Touch input, display options directly on the screen

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

c. Can display the current program execution number, segment number, remaining time, and number of cycles

d. Accumulated operation time function

e. The temperature and humidity program settings are displayed in graphical curves, with real-time display of program curve execution function

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

3. Program capacity and control functions:

a. Available program groups: maximum100group

b. Available memory capacity: Total5000SEGMENTS

c. Repeatable command execution: Each command can reach 9999time

d. The production of the program adopts a conversational style, with functions such as editing, clearing, etc

e. SEGMENT time setting 0~530Hour59Min

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

g. Real time display of graphical curves during program execution

hEquipped with date and time adjustment functions

iButton and screen lock (LOCK) function

5、 Standard configuration:

A. Power cord 4.0 mm²x3stamen

B.232 ExportOne terminal

C. Stainless steel SUS # 304 square punched steel plate storage rack

D. Stainless steel adjustable spacingsnap fastener8 of them

E. One 11W energy-saving lighting window lamp

F. There is one left side test hole with a diameter of 50mm and one stainless steel hole cover.

G. Standard test non-woven fabric1piece

HOne set of controller user manual and one set of operation manual

sixSurrounding environment:

(1). Allowable temperature range: 0~35 ℃

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

(3). Relative humidity: not exceeding 85%

(4). Atmospheric pressure: 86-106Kpa

(5). There is no strong vibration around

(6). No direct sunlight or other heat sources

(7). Natural drainage outlet: ※ There should be no protrusions in the middle of the drainage pipe, and the floor of the house should not be tilted

7Use power supply：single-phase electricity 5.5KW 220V 50HZ

8After-sales service

1. Free warranty12 months.(Excluding damages caused by natural disasters, abnormal electricity, improper human use, improper maintenance, etc.)

During the warranty period, the supplier shall provide a service plan and notify the user within 48 hours upon receiving a call from the user. If on-site service is required, the supplier shall immediately send someone to provide it. (If there are any problems with your company's machine during use, Party A shall provide spare parts free of charge during the warranty period, and Party A's maintenance time shall not exceed 2 days in principle.)

nine、Payment Method:Payment before delivery.The ownership of the equipment shall remain until the full payment is madeParty AAll of them.

The main electrical accessories of the equipment are attached below: