Electric heating constant temperature drying box

Scope of application

This product is suitable for industrial and mining enterprises. Colleges and universities and scientific research institutions for drying, baking and sterilization.

Structural features

>Stainless steel high-quality cold-rolled steel plate is safe and convenient to use, and has a novel and beautiful shape.

>The set temperature has a protective device, and a microcomputer intelligent temperature controller is used to control the temperature. The set and measured temperature are digitally displayed, and the temperature control is accurate and reliable.

>The air inlet switch is convenient, the air duct structure is reasonable, and the indoor temperature is uniform.

>Natural convection ventilation structure with good temperature uniformity.

>The box is made of high-quality thin steel plate.

>Studio materials are made of high-quality stainless steel or high-quality thin steel plates.

>Adopt a microcomputer intelligent thermostat.

Main technical indicators

>Temperature control range

>Temperature fluctuations

>Temperature uniformity

>power supply

>Specifications are shown in the table

Technical parameters:

(1) Temperature range 50 ℃To 200 ℃。

two. Temperature controller:

Featured Description

(1) Temperature sensor temperature: DIN A class Φ5mm SUS Made of stainless steel PT 100×1 branch .                                                      

(2) Temperature control method   P.I.D Automatic calculation + Fuzzy control.

(3) Temperature conversion: linear compensation correction for microcomputer.

(4) Display interface  LED Digital tube display, key input method.

(5) Timing range 1.1 ~9999minute ； 2. No timing continuous operation

(6) Humanized operation

     a. Automatically control the temperature and heating output power adjustment, P.I.D Calculus control…etc.

     b. Safety self-test The safety self-test of the main system components is to indicate the status through the controller when an abnormality occurs and the heating is stopped.

Main functions

(1) Temperature display accuracy 0.1 ℃ 。

(2) Temperature control accuracy   ± 0.1℃ 。

(3) Deviation value correction temperature deviation value compensation and correction function.

(4) I/O Self-test Safety self-test function, automatic power outage protection and fault indication when abnormality occurs.

(5) Automatic calculation Microcomputer automatic calculation P.I.D. ， Combined with solid state relay power control, temperature control is more accurate (proportion, integral, differential ＋Solid-state relay control method )。

(6) Temperature upper and lower limit protection The upper and lower limits of temperature protection can be set.

(7) Protection device: The controller monitors the safety protection system and preventive fault self-test control.

three. Structure and material:

(1) Inner box material    S Type: iron plate +High temperature paint spray treatment    BS type: SUS Stainless steel mirror panel

(2) External material  SPCC Cold-rolled steel plate electrostatic powder paint treatment.

(3) Insulation material: Ultrafine fiberglass cotton.

(4) Box Door

     a. Observation window Multi-layer tempered glass window.

     b. Opening direction single door design, opening method from left to right.

(5) Shelf stainless steel bar shelf ×2 Block; adjustable height per layer 50 ㎜。

Four. Temperature electric heating and circulation:

(1) Convection method Natural thermal convection.

(2) Heating system Microcomputer intelligent automatic control electric heating power balance temperature regulation +Electric heating wire heater.

five. Safety protection device:

(1) Circuit Breaker Small switch circuit breaker.

(2) Controller internal protection

     a. Temperature sensor open or short circuit (Overrange )。

     b. High temperature protection setting for the overtemperature protection setting temperature.

(3) External fault detection protection

     a. Electric thermal protection heater temperature self-protector.

(4) Fault abnormality alarm When a fault abnormality occurs, the power and thermal protection will be automatically cut off and an alarm sound will be issued.

six. appendix:

（1）.  Including product instruction manual, simple troubleshooting instructions, product maintenance instructions ×1。

（2）.  fuse ×1

（3）.  Certificate of conformity ×1

seven. Power supply: 1 Ø 220V 50Hz

eight. Ambient environment: Ambient temperature range that can be used: 5 ~35 ℃ ，Ambient temperature range for optimal performance: 15 ~30 ℃。