Constant temperature and humidity test box is also called constant temperature test box, constant humidity test box, damp heat test box, constant damp heat test box, linear constant temperature and humidity test box. Equipment for testing the performance of materials in various environments and testing various materials for heat resistance, cold resistance, dry resistance and humidity resistance. It is suitable for testing the quality of products such as electronics, electrical appliances, communications, instruments, vehicles, plastic products, metals, food, chemicals, building materials, medical treatment, and aerospace.
Standard and test methods
Satisfy the test standards: Meet the relevant requirements of accelerated and long-term tests in the National Pharmacopoeia, FDA, ICH and other relevant standards.
Manufacturing execution standards (technical conditions): refer to GB10586.
Adopt 5.7 inch temperature and humidity controller, touch high-precision temperature and humidity controller Chinese and English conversion, 240×80 point wide viewing angle, high contrast, large LCD display with backlight function, 1200Steps/120Parrerns. Computer connection 232 interface, temperature and humidity testCurve display, remote monitoring
Control precision
Temperature ±0.1℃, humidity ±1%R.H Resolution: temperature 0.01℃ or humidity 0.01%R.H. Temperature slope: 0.1~9.9℃ can be set Humidity slope: 0~99%(RH) can be set With upper and lower limit standby and alarm function Two choices of temperature input signal: PT 100Ω or mv Temperature conversion output: 10mv/1℃, 10mv/1%RH9 groups of P.I.D control parameter settings, P.I.D automatic calculationAutomatic temperature correction
Controller function
It adopts screen dialogue mode, no key input is required, and the screen directly touches the options Direct display of temperature and humidity setting (SV) and actual (PV) values Can display the current execution program number, segment number, remaining time and cycle number Operating cumulative time function The temperature and humidity program setting value is displayed in a graphic curve, with real-time display program curve execution function With a separate program editing screen, 5 sections of temperature and time can be input per page Fixed point or program action status display Chinese display The screen can be adjusted for backlight The screen display protection function can be set for timing, TIMER or manual shutdown The amount of programs that can be used: up to 120 groups
Usable memory capacity: 1200 segments
Repeatable commands: each command can be up to 999 times
The production of the program adopts dialogue style, with editing, clearing, inserting and other functions
With 2 sets of time signal output control (can control the ON/OFF action of the test object) Skip and hold function in program execution Time setting 0~99Hr59min With power-off program memory, it will automatically start and continue to execute the program after power is restored
With RS-232C communication interface
Graphical curve can be displayed in real time during program execution
With scheduled start and shutdown function With date and time adjustment function Button and screen lock (LOCK) function
Heating method
Efficient SUS316# stainless steel fin heating tube, making the machine safer
Temperature control
Pt100 platinum resistance temperature sensor
SPECIFICATION
Description
Programmable desktop constant temperature and humidity test chamber