Horizontal high and low temperature test chamber

The horizontal high and low temperature test chamber is a machine that can perform long-term high and low temperature, low and high temperature continuous cycle tests. It is suitable for adaptability testing of electrical and electronic products, plastic materials, paper printing, metals, raw devices and other materials during storage, transportation and use in high and low temperature environments. This testing equipment is mainly used to conduct environmental simulation tests on the physical and other related characteristics of products under low temperature, high temperature, and other conditions according to national standards or user defined requirements. After testing, the performance of the product is judged through inspection to determine whether it still meets the predetermined requirements, for the purpose of product quality production and factory inspection.

According to the customer's needs, the equipment's door can be equipped with a pneumatic guide rail door (suitable for projects with heavy test samples that require the use of an electric hoist to fit in).

Volume and size

Capacity: 420L

Inner box size: W600 mm × D1000 mm × H700 mm

Dimensions: W1040 mm × D2620mm × H1090mm

performance

Test environmental conditions: ambient temperature of 5-35 ℃, relative humidity ≤ 85% RH

Test method: GB/T5170.2-2008

Temperature testing equipment

Temperature range: -20 ℃ to+200 ℃

Temperature deviation: ≤± 2 ℃

Temperature fluctuation: ± 0.5 ℃

Temperature uniformity: ≤ 2 ℃

Cooling rate: 5 ℃/min (+150 ℃ → 0 ℃)

Thermal insulation enclosure structure: The outer box body is made of spray coated galvanized color steel plate with a thickness of 1.5mm. The box body is sprayed with "white" color, and the door is sprayed with "blue" color. A 100mm thick polyurethane insulation material is used, and the inner box is made of SUS304 stainless steel plate with a thickness of 1.0mm.

Structural design: The structural design of the test chamber is divided into three parts: refrigeration system, electrical system, air circulation system (including evaporator and heater), and the main body of the test chamber. The main body of the test chamber and the air circulation part are spliced, and the water circuit is an external circulation to prevent condensed water from flowing into the laboratory.

Air conditioning channels: fan, heater, evaporator.

Standard configuration of test box:

Lead holes: 2 with a diameter of 50mm, located on the left and right sides of the box.

Lighting: Moisture proof lamp, 18W/AC220V.

Sample rack: equipped with 2 active sample racks, load-bearing capacity (evenly distributed): 40kg/layer.

Control panel: temperature control display screen, over temperature protection setting device, emergency stop switch.

Mechanical room: The mechanical room contains refrigeration units, fans, and distribution control cabinets.

Distribution control cabinet: cooling fan, distribution board, RS-485 physical interface (to be purchased together with centralized monitoring software), main power leakage circuit breaker.

Heater: Nickel chromium alloy electric wire heater, controlled by non-contact equal period pulse width modulation, SSR (solid-state relay).

GB 10589-89 Technical Conditions for Low Temperature Test Chamber

GB 10592-89 Technical Conditions for High and Low Temperature Test Chambers

GB 11158-89 Technical Conditions for High Temperature Test Chamber

GB2423、 1-89 Basic Test Procedures for Electrical and Electronic Products - Test A: Low Temperature Test Method

GB2423、 2-89 Basic Test Procedures for Electrical and Electronic Products - Test B: High Temperature Test Method

GB2424、 1-89 Basic Environmental Testing Procedures for Electrical and Electronic Products - Guidelines for High Temperature and Low Temperature Testing

GB/T5170、 2-1996 Basic Parameter Calibration Method for Environmental Testing Equipment of Electrical and Electronic Products