Small programmable high and low temperature box manufacturer

Brief description: The small programmable high and low temperature chamber meets the reliability and stability performance parameters of various harsh environments such as GB/T2423 and GJB150A1/4. It can remotely monitor the operation of the machine through the Internet and remotely control the machine. The high and low temperature alternating test chamber can operate continuously and effectively for 1000 hours without frosting or temperature rise. In terms of safety performance, the high and low temperature test chamber has an independent temperature limit alarm system, which automatically interrupts when the limit temperature is exceeded, ensuring safe operation of the experiment without accidents. Manufacturers are conducting small-scale programmable alternating humidity resistance tests

The small programmable high and low temperature chamber meets the reliability and stability performance parameters of various harsh environments such as GB/T2423 and GJB150A1/4. It can remotely monitor the operation of the machine through the Internet and remotely control the machine. The high and low temperature alternating test chamber can operate continuously and effectively for 1000 hours without frosting or temperature rise. In terms of safety performance, the high and low temperature test chamber has an independent temperature limit alarm system, which automatically interrupts when the limit temperature is exceeded, ensuring safe operation of the experiment without accidents. Manufacturers have high temperature storage for small programmable alternating humidity resistance test chambers - constant temperature and humidity test chambers; Low temperature storage; High and low temperature cycle; Constant temperature and humidity functions, equipped with R-232C communication interface, capable of bidirectional control of machine and computer hard disk storage data, with test holes for external testing power or signal lines and adjustable storage trays up and down. Part of the inner box material is 304 # mirror stainless steel, and the outer box material is cold-rolled steel plate with anti-static spray coating temperature control method. The true color touch screen can be programmed for temperature control.

Small programmable high and low temperature box manufacturerRelated product control performance description:

Humidifier: Stainless steel humidifier cylinder

Blower: Centrifugal fan

Airflow mode: broadband forced airflow circulation (top out and bottom in)

Operation interface: LCD touch screen display, switching between Chinese and English

Operation mode: constant operation, program operation

Program memory capacity: 120 sets of programmable programs, with each program up to 100 segments in size

Set indicator range: Temperature: -100 ℃ 300 ℃ Humidity: 99.9% R.H

Resolution: Temperature: 0.1 ℃ Humidity: 0.1% R.H

Input: PT100 or T-type thermocouple

Control method: PID control

Communication function: RS-232 interface

Printing function: Yokogawa 6-point recorder from Japan (optional)

Auxiliary functions: upper and lower limit alarm, self diagnosis, alarm display (cause of fault), timing device (automatic startup and shutdown), phase sequence protection

Water supply method: circulating water supply

Water supply tank: built-in manual pull type (30kg capacity)

Water quality: electrical resistivity>500 Ω M

Internal dimensions: (W × H × D) 50 × 75 × 60cm

External dimensions: (W × H × D) 95 × 165 × 115cm

Weight: Approximately 300Kg

Temperature and Humidity Adjustment Method: Balanced Temperature and Humidity Adjustment Method (BTHC) PID Intelligent Adjustment

Temperature range: 0 ℃, -20 ℃, -40 ℃, -60 ℃, -70 ℃~150 ℃; 20%-98%R.H

Temperature and humidity control accuracy: ± 0.2 ℃; ±2.5%RH

Uniformity inside the temperature and humidity chamber: ± 0.5 ℃~± 0.2 ℃; ±4.0%RH

Controller resolution accuracy: ± 0.01% ℃; ±1%R.H

Heating rate: ≥ 2.5 ° C/min

Cooling rate: average 1 ° C/min

Internal material: SUS # 304 mirror stainless steel plate

Shell material: SUS # 304 brushed stainless steel plate or rust resistant cold-rolled steel plate (spray coating)

Insulation material: superfine glass wool polyurethane foam

Refrigeration method: mechanical binary refrigeration method

Refrigerator: Fully enclosed (French Taikang or German Gulun) compressor

Refrigerant: R23/R404A

Condensation method: air-cooled or water-cooled

Heater: Nickel chromium alloy stainless steel tube heater

Small Programmable Test Chamber FactoryInstructions for Use:

The equipment is suitable for performance reliability testing of industrial and electronic products. This test has a large temperature control range, and the performance indicators meet the technical requirements of GB10592-93 "Technical Conditions for High and Low Temperature Test Chambers" and GB10586-93 "Technical Conditions for Damp Heat Test Chambers". It is applicable to the "Test Low Temperature A: Test Method" in GB2423-93 "Basic Environmental Test Regulations for Electrical and Electronic Products"; Test High Temperature B: Test Method "and Constant Damp Heat Test can effectively conduct high and low temperature and constant damp heat (constant) tests on products

manufacturerInstallation precautions:

1. It should be installed in a well ventilated area.

2. It should be installed in a place far away from combustibles, explosives, and high-temperature heat sources.

3. It should be installed in a place with less dust.

4. Install as close to the power supply as possible.

5. The distance between adjacent walls or objects is 300mm

6. In order to stably utilize the functions and performance of the test chamber, a place with a perennial temperature of 15-35 ℃ and a relative humidity greater than 85% should be selected.

7. The environmental temperature of the installation site should avoid sudden changes.

8. It should be installed on a horizontal surface (a level should be used to confirm the level on the ground during installation).

9. It should be installed in a place without direct sunlight.

Small Programmable Test Chamber FactoryHigh and low temperature control methods:

Abnormal tracing: It can display historical data of recorded faults, such as statistical records of the causes and times of past faults.

Programmable constant temperature and humidity testing machine external protection: an electronic over temperature protection device independent of the main controller, which can set the upper temperature limit protection for the tested object.

Communication Interface: A standard communication interface device that can be simultaneously connected to a personal computer (PC) for multi machine control and management.

Device: Optional memory capacity device to replace traditional expensive paper recorders; It has the function of self diagnosis, and the recording interval can be freely selected.

System capacity: Can log in to 150 programs x 1500 segments, with the number of segments freely divisible and programs freely interconnected.

Curve drawing: When the temperature, humidity, and time data are set, they can be immediately converted into the set curve, and the actual operating curve can also be obtained during operation.

Time signal: 3 sets of timing control output interfaces, paired with 10 different timing control modes, facilitate the execution of timing planning for external drive components start/stop.

End temperature: When completing the test, you can choose to return to room temperature to facilitate the removal of the test substance.

Safety check: 15 fully functional system detections to ensure the safe operation of the machine And it can automatically display the fault time, project, and troubleshooting measures.

Loop setting: It can execute 9999 × 999 loops and can also cut out 5 independent partial loops.

Programmable constant temperature and humidity testing machine control mode: adopts intelligent forward and reverse bidirectional synchronous output, containing slope control logic of *.

Programmable constant temperature and humidity testing machine data setting: Touch sensitive dialog box setting mode, easy and clear operation, built-in directory data management system.