Tiankang Analysis on the Selection of Armored Thermal Resistors

An armored thermal resistor is a type of temperature sensor. When a substance changes its temperature, its resistance will also measure the temperature as it changes. When the resistance value changes, the working instrument will show the temperature value corresponding to the resistance value. It is smaller than the diameter of the assembled platinum resistance, and it is easy to bend. It is suitable for installation in narrow channels, fast response, and miniaturization. It can automatically detect gases, liquid media and solid surfaces within the temperature range of -200~600°C, and can also be directly connected with copper wires and secondary instruments. Because it has very good electrical output characteristics, it can Accurate input values ​​for displays, recorders, regulators, scanners, data loggers, and computers. Below, Tiankang will give you a brief introduction on the purchase of attention.
Armored thermal resistors are made of a combination of metal maintenance tubes, insulation materials and resistors. The resistor in the armored RTD is made of fine platinum wire on a platinum-rhodium thermocouple ceramic or glass crucible. The lead is usually steel wire or silver wire.
Precautions:
1. The connecting wire of the thermal resistance and appearance meter should be insulated copper wire, and the compensation wire of thermocouple cannot be used. The resistance value of the copper wire should be matched according to the data showing the technical conditions of the instrument. It is usually 2 to 50. The resistance value of the wire can be adjusted with a DC equalization bridge.
2. It is not possible to use a thermistor in parallel with the two display meters, as long as the dual-branch thermal resistor can be used together with the two display meters.
3, thermal resistance and accessories when not in use, must be kept in the vibration and collision center. The most suitable storage site conditions are: ambient temperature 10-35 °C; relative humidity not greater than 80%; surrounding air should not contain substances that may form corrosion of thermal resistance parts.
4. When wiring the thermal resistance, open the junction box first and then connect it. The wiring method is usually two-wire and three-wire. The advantage of the three-wire connection is that it can prevent the bimetal thermometer from appearing due to the resistance value of the connected wire.
5, most of the thermal resistance of the sensor's length is about 120mm, which choose the insertion depth of the thermal resistance, it should be taken into account that the thermal resistance can only be measured within the near-side sensor within the near-field uniformity of the measured medium.
6, the maximum operating temperature of the thermal resistance and working pressure can not exceed the rated value of the thermal resistance, if the thermal resistance needs to be used in the corrosive medium, the maintenance tube made of stainless steel should be used.
7, with a flexible performance, armored thermal resistance in addition to the head, but also for any direction of the bend, so it is suitable for the construction of more complex, but also has a good resistance to vibration, impact resistance.
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High Speed Stacking Door

Material Selection:

1. Frame: 2MM thicknesses cold-roll Stainless steel.

2. Motor: Germany SEW brake motor (outer), power 0.75KW, power supply 220V.

3. Control system: Imported Japan Mitsubishi converter and PLC to control of electric box (150%1HZ)

4. Opening & closing speed: 0.6-1.5m/s (adjustable).

5. Safety Device: Korea Photocell Sensor, emergency stopping reaction when sensing obstacles.

6. Curtain: France high-density polyester fiber and the surface coating processing, thickness 0.8MM, variety colors can be chose: Red, yellow, blue, green, orange, gray, white, transparent, etc. Tensile strength: 4000/3500N/5cm, tear strength 600/600N. Fire-proofing level: German standard DIN75200 Usage temperature: -30 ° C +70 ° C.

7. Wind resistant: The Aluminium alloy Reinforce Girder to increase wind resistant effect.

8. Curtain replacement function: Aluminium alloy Reinforce Girder is loaded between 2 pieces Curtain, can be replaced easily if any curtain broken, save your cost.

9. Transparent window: 1.2MM thickness transparent PVC window, size and location is up to your request, more safer.

10. Seal: Seal brush are Installed inside the guides, and the special bottom design, to fit any uneven ground.

11. Cotrolling way: Push button + radar sensor, very convenient.

12. Limiting Switch: Mechanical limiting switch, easily and exactly.

13. Emergency STOP: With emergency stop button on control panel, can stop easily by

Hand once disconnect or accident

14 Fault recovery function: All Hongfa's production is with fault recovery function, system will self-recovery after power cut off.

15. Delivery time: About 7 business days with contract and deposit confirmed.

16. Pyament item: 50% before production, and the other 50% before shipment.

17. Warranty Details: We provide 12 months warranty for all doors and accessories (except man-made disasters, Irresistible natural disasters, ect^).

We have many professional engineers with rich experience, qualified products, perfect service system, and good cooperation relationship with many famous companies.

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SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfarrd.com