Product Description
HY-831C desktop constant temperature and humidity testing machine
Technical Parameters
1.Equipment performance:
Humidity range: 20% to 95%
Temperature range: -20-150°C
Temperature stability: ±0.5°C
Humidity stability: ±3%
Inner box size: 400*400*500mm
Outer box size: 900*900*1000mm
2. Structural design:
Inner box material: stainless steel plate ( SUS # 304 ),
Outer box material: stainless steel surface brushed.
Observation window: to observe the sample ( W*L 28 * 35 cm )×1
Outer box light source: high-brightness lighting ( 13 W PL lamp )
Anti-sweat window design: electric heater device to prevent condensation ( 40 W )
Test hole: can be used for external test power line and signal
Machine pulley: move the pulley to adjust the placement position and fix the position with strong bolts (200Kg / wheel)
Insulation layer: flame-resistant and fire-resistant PU + heat-insulating glass wool (thickness of insulation layer: 10.0 cm)
Pan frame in the box: movable adjustable grid pan frame and two stainless steel strip grid pans (5.0 cm for each grid of the pan rack, plus a non-conductive sleeve)
Box door: double-channel heat-insulated and air-tight tight, which effectively isolates external temperature leakage
3. Temperature electric heating cycle system:
Electric heating circulation system: special moisture-proof and heat-dissipating design for temperature, stainless steel extended axis circulation motor
Circulation fan: high/low temperature resistant aluminum alloy multi-blade circulation fan
Air deflector design: adjustable air deflector design, effectively improve the uniformity of temperature and humidity distribution
Temperature electric heater control method: balanced temperature adjustment P.I.D + P.W.M + S.S.R
Humidity electric heater control method: balanced humidity control P.I.D + P.W.M + S.S.R primary and secondary double U-shaped humidity electric heater
4. Refrigeration system:
Refrigeration device: French Taikang high-efficiency power-saving ultra-low temperature refrigeration system (air-cooled heat dissipation method)
Cooling and heat exchange device: Adopt ultra-high-efficiency SWEP cold coal cold and heat exchange design, which is more efficient than the traditional internal spiral type.
Heating load adjustment: The mining computer automatically adjusts the flow of cold coal, effectively taking away the heating load of the product to be tested and synchronizing with German/Japanese technology.
Compared with the traditional design, the control stability and reproducibility are higher, and the power saving and low humidity performance are achieved.
High-efficiency components: condenser and evaporator adopt AC&R compound spoiler aluminum fin device
Low-humidity design: using slope evaporator and dew point dehumidification control method (WDP)
Moisture-proof design of the door wall: high-pressure compressor and high-temperature pipeline, sweat-proof and moisture-proof treatment.
Standard modular design: high compatibility and high quality stability of interoperable parts and components.
Expanded performance: HY600 control system can reserve isothermal control liquid nitrogen valve LN2V & refrigerant valve
5. Control system:
Temperature and humidity sensor: JIS RTD PT 100 Ω × 2 (platinum sensor)
Temperature and humidity converter: microcomputer multi-function automatic linear compensation correction
Display surface: board color liquid crystal TFT LCD 5.7 " temperature and humidity setting (SV) and actual (PV) value are directly displayed.
Operation interface: touch type (withstanding 100.000 times of line drawing test), Chinese and English can be switched arbitrarily
Storage device: USB2.0 interface, USB storage capacity supports up to 32M U disk
Program group: maximum 120 PATTEN.
Program segment: 1200 SEGMENTS in total
Program cycle: each command can be up to 999 times.
Automatic control: refrigeration compressor, servo valve, temperature and humidity electric heating, PID, PWM, SSR ... etc. The safety detection device detects the failure of each part and alarms to stop.
Other configurations: running cumulative time function; temperature and humidity program setting values are displayed in graphic curves, with real-time display program curve execution function; fault prompt screen display; program production adopts dialogue mode, with editing, clearing, inserting and other functions; SEGMENTS Time setting 0~99Hour59Min.; with power-off program memory, automatically start and continue to execute the program after power recovery; with scheduled start and shutdown functions; with date and time adjustment functions; key and screen lock (LOCK) functions.
6. Safety protection system:
Leakage/surge protection: LG leakage circuit breaker leakage protection FUSE. RC electronic surge protection
The controller is protected against power supply lightning strikes: the primary side of the AC power supply of the controller is equipped with a lightning arrester ZRN device
Humidity sensor (Sensor): open circuit or short circuit ( + - OVER )
The first layer of high/low temperature over-temperature protection: operation control temperature high, low temperature over-temperature protection setting
Fault detection control interface: external fault automatic detection protection device
The second layer of high-temperature over-temperature protection: electronic high-temperature over-temperature protection device
The third layer of high temperature over-temperature protection: high temperature over-temperature protection device
Water cut-off and air burning protection: humidity water cut-off protection and electric heating water cut-off and air burning protection
Compressor protection: refrigerant pressure protection and overload protection device.
Expansion protection device: reserve two sets of fault detection input expansion protection device for use
Fault exception protection: cut off the control power supply and fault cause indication and alarm output signal when an abnormal fault occurs
Active water shortage prompt: the machine will automatically prompt for water shortage.
Dynamic high and low temperature protection: dynamically adjust the high and low temperature protection value according to the set conditions
Normal temperature protection: After the machine stops, the product under test and the test area will automatically drop to normal temperature protection.
Operating instructions, maintenance manuals, circuit diagrams, CD-ROMs, calibration reports, guarantees, maintenance record cards, personnel training
7. Matters needing attention:
1. The ambient temperature around the machine is maintained between +5°C and +30°C;
2. Your factory is responsible for the construction of hydropower, water towers, civil engineering, etc. and connects them to the machine
3. Power supply: AC 380V 50HZ 3∮ 5 wire 7.5KWA
Execution Standards
GB/T2423.1-2008, GB/T10589-2008; GB/T2423.2-2008; GBR11158-2008; GBIT2423.3-2006; GB/T10586-2006; GB/T2423.22-002;
Company Profile
Founded in 2003, Hengyu Instrument is headquartered in Dongguan City, Guangdong Province. It is a national high-tech enterprise specializing in R&D and manufacturing of various quality testing instruments. Products are widely used in: national quality inspection and commodity inspection institutions, scientific research, colleges and universities, rubber and plastics, shoemaking, leather, textile, metal, luggage, stationery, baby carriages and other industries, for new product development, physical property testing, teaching The necessary equipment for research, quality control, and raw material inspection. The main products are tensile machine, tensile testing machine, universal material testing machine, universal tensile machine, shoe industry, luggage testing equipment, etc.
Audited Supplier 
){kind=link}
){kind=link}