JWK-2 glial layer analyzer

The Jwk-2 type gelatinous layer analyzer controls the heating rate of the front and rear heating furnaces when measuring the gelatinous layer index of coal according to the relevant requirements of the national standard. This instrument has a small size, high measurement accuracy, flexible and convenient operation, and safe and stable performance. It can be widely used in coal quality testing departments in industries such as coal, metallurgy, and coking.

1. High degree of automation

adoptA real-time control system composed of MCS-51 microcontroller as the core. Can automatically control the heating rate according to national standards.

2. Flexible operation

There are two methods: automatic and manual. During automatic control, users can set their own values based on different resistance values of silicon carbide rods and furnace performanceP. D can automatically adjust parameters. When automatic function is not required, manual control can be used, and weak current can be used to control strong current. The voltage can be adjusted from 0-220V in 100 levels. In addition, the instrument achieves seamless switching between automatic and manual control.

3. Easy to use

It is possible to control the heating rate of both the front and back furnaces simultaneously, or to control the heating rate of the front or back furnace separately.

4Clear and detailed display

Using high brightness digital display. On the one hand, it displays the test time (three digits) and the temperature required by the national standard (three digits), and on the other hand, it displays the actual temperature (three digits) and current opening (two digits each) of the front and rear furnaces.

5. High measurement accuracy

Automatic compensation has been carried out for the cold end temperature of the thermocouple, correction has been made for the nonlinearity of the thermocouple, and automatic compensation has been carried out for each link in the temperature measurement system that may cause errors, so that the error in displaying temperature is not limited± 3 ℃.

6. Equipped with self diagnosis and alarm functions

Capable of self diagnosing various faults, displaying different error symbols, and issuing alarms, while (except)Er3) Cut off the main power supply.

display symbols Fault Category

Er1 thermocouple open circuit

Er2 thyristor out of control

Er3 furnace temperature deviates from the temperature range required by the national standard

Er4 furnace temperature exceeds the maximum limit of 1000 ℃

The temperature inside the Er5 casing exceeds the allowable range of 0-1000 ℃

Er6 instrument does not sample temperature

7Recovery function

After a momentary power outage, the instrument can automatically restore to its working condition before the power outage when it is restored to prevent the sample from being scrapped.

technical indicators

1. Display temperature range: 000-999 ℃, resolution 1 ℃.

2. Display time range: 000-999min, resolution of 1min.

3. Temperature display: ± 3 ℃

4. Time display error: no more than 30 seconds within 24 hours.

5. Continuous working hours: 24 hours.

6Power supply voltage:220（1±10%）V 50Hz

7Load power: not greater than5Kw.

8External dimensions:320mm×320mm×140mm

Hebi Jiuding Instrument Co., Ltd. specializes in、、、，、、、、、、、、、Waiting for instruments and meters Hotline number: