1. Product features

* meet the standard: jb7444-94 GB/ t3512-01

* suitable for heat resistance test of electrical insulation materials, air exchange aging test of electronic spare parts and plasticized products

* adopt intelligent program microcomputer controller with temperature control protection, with timing function, accurate and reliable temperature control.

* the large observation window is equipped with a light to keep the inside of the box bright, and the tempered glass is used to clearly observe the inside of the box at any time.

* the hot air circulation system is composed of fans and special air ducts that can operate continuously at high temperature, and the temperature in the working room is even.

* there is a test hole with a diameter of 50mm on the left side of the box, which can be used to connect test power cord or signal cable externally.

* ventilation time and frequency can be set arbitrarily.

(ii) main technical parameters:

* volume: 100 l

* inner box size :450*450*450mm

* temperature range :R.T.+20~200℃

* uniformity :±2℃

* constant temperature fluctuation :±0.5℃

* air change time :1min ~ 99h adjustable

* air change :2 ~ 100 times /h

* controller: imported LED digital display P, I, D+S, S, R. Microcomputer integrated controller

* precision range: setting precision: temperature 0.1℃, indicating precision: temperature 0.1℃

* timing range :1 ~ 9999min

* circulation system: high temperature and low noise motor. Multi-blade centrifugal wind wheel

* wheel diameter: 250 mm Φ, detachable type, rotary speed (5 ~ 10 RPM)

* safety protection: leakage, short circuit, over temperature, motor overheating, over current protection

* insulation material: ultra-fine glass fiber

Electric heater: stainless steel electric heat pipe

* power supply :AC 220V/50Hz