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 Supporting device of liquid nitrogen tank

Liquid level temperature monitoring of liquid nitrogen tank monitor

Type number
Parameters
 
Liquid nitrogen level alarm monitor

Technical parameters:
Working temperature: - 40 ℃ - + 85 ℃;
Relative humidity: ≤ 95% (25 ℃);
Working power supply: AC220 V ± 10%, 50 Hz ± 2 Hz;
Instrument input power supply: 24 VDC;
Sensor: PT100;
Display mode: 5-digit temperature value display;
Measurement range: - 200 ℃ - 200 ℃;
Resolution: 0.1 ℃;
Control precision: adjustable in full range;
Temperature measurement accuracy: 0.5 level;
Maximum power consumption: 2W;
Total weight: < 200g;
Dimension: 120mm × 70mm × 20mm.
 
Function introduction
1. Temperature display:
Real time detection and display of liquid nitrogen container temperature.
2. Fault alarm function:
When the sensor is disconnected or the input is open or short circuited, the instrument will automatically send out sound and light alarm, the alarm indicator on the panel will be on, and the buzzer will respond.
3. Over temperature alarm function:
When the temperature of measuring point of liquid nitrogen container is lower than the set value of low temperature or higher than the set value of high temperature, the instrument will send out sound and light alarm automatically.
4. Parameter setting function:
On the panel, set the high temperature setting value, low temperature setting value, control temperature value and return difference value directly through the setting key.
5. Silencing function:
When the instrument is in the sound alarm state, if necessary, you can click the "alarm" key to stop the buzzer, eliminate the sound, and click again to turn on the sound. In the setting state, click the "alarm" key to save the set value.
6. Power soft switch:
Long press the "power" button on the panel to turn off the power supply of the instrument, and long press the "power" button again to turn on the power supply of the instrument.
 
Series Introduction:
Intelligent liquid nitrogen level monitor is a high-tech product specially developed for measuring liquid level and temperature of liquid nitrogen container. It uses single chip microcomputer technology, uses platinum thermistor to measure the temperature of liquid nitrogen and display it digitally. It provides low level alarm, overtemperature alarm, sound and light alarm of sensor failure, so that you can run the temperature parameters and liquid level parameters of liquid nitrogen container at any time. It can also automatically start and stop the solenoid valve according to the set temperature point to automatically replenish liquid nitrogen for cryogenic equipment, effectively improving the safety and reliability of liquid nitrogen container operation. At the same time, the product can be upgraded to provide RS485 communication mode, standard current signal (4 ~ 20mA) output mode and other functions, which can be easily connected with the monitoring system. There are three types of temperature controllers applicable to this manual: ztc-100a / ztc-100bztc-100c.
 
2、 Model introduction
model major function
ZTC-100A 1. Temperature display;
2. Sound and light alarm display of sensor failure;
3. Silencing function;
4. Over temperature alarm;
5. Sound and light alarm when the liquid level is lower than the set value.
ZTC-100B 1. The main function is the same as type A;
2. Add a control function to automatically replenish liquid nitrogen;
3. The control temperature can be set by itself;
4. The control precision can be adjusted by itself.
ZTC-100C 1. The main function is the same as type B
2. Add short infinite output function to facilitate annual networking and output.

Figure 1 and liquid nitrogen tank Fixed installation drawing of



Fig. 2 instrument circuit connection diagram


 
Bande liquid nitrogen tank series products provide one year free after-sales service
Five year vacuum warranty.
Tel: 010-80204245
Mobile phone: 15611258074
Q Q: 2678388834
Email: 2678388834@qq.com
Address: Anshun South Road, Huangcun, Daxing District, Beijing
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