Description
PW-TST-36-40N Hot Sale Desktop Constant Temperature and Humidity Test Chamber
Use
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.
Manufacturing execution standards (technical conditions): refer to GB10586.
Equipment usage conditions
Environment temperature: 5-30℃ Environmental humidity: ≤85%R.H.
Air conditioning and refrigeration system
| Air conditioning mode | Forced ventilation and internal circulation to balance temperature and humidity |
| Air circulating plant | Blower fan system×1 |
| Heating method | Electric heaters |
| Humidification method | Electric steam humidifier (with 1 set) |
| Water supply method | Automatic circulating water supply system, equipped with a special water tank with automatic submersible pump and water inlet pipe system device |
| Cooling method | Low-temperature refrigeration compressor unit, cascade control, environmentally friendly refrigerant R404 |
| Cooling method | Wind cooling |
| Equipment noise | ≤65dβ |
Chamber structure
| Box material | Anti-corrosion thickness of cold sheet electrostatic powder baking paint 1.0mm |
| Inner wall material | Matte surface SUS304# stainless steel plate thickness 1.0mm |
| Gate observation window | Four layers of insulating glass |
| Test hole | ф50 Do verification hole |
| Studio lighting | LED lighting |
| Stainless steel carrier | 2 sets |
Control and monitoring systems
| Humidity control | 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 test Curve 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%RH 9 groups of P.I.D control parameter settings, P.I.D automatic calculation Automatic 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 |
Technical Parameters
| Description | Programmable desktop constant temperature and humidity test chamber |
| Model | TST-36-40N |
| Inner box sizemm | 300×400×300 (W×D×H)mm |
| Temperature range | -40~100℃ |
| Temperature rise and fall rate | 1~3℃/min |
| Cooling rate | 20℃∽-40℃ ≤60min |
| Heating rate | RT∽100 ℃≤30min |
| Humidity range | 30~98%R.H |
| Temperature fluctuation | ±0.5 |
| Temperature deviation | ±1℃ |
| Humidity deviation | ±3%R.H |
| Installation power | 3KW |
| Space utilization | 70% |
| Power supply | AC 220V 1PH 50/60HZ |





