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technical article
Overview of the Thermal Book
2012-1-22 15:38:40

Overview of the Thermal Works


采用16位单片机作为CPU,集最新大规模数字转换集成电路和大屏幕液晶显示技术于一体,具有输出、测量、手册和24VDC配电功能,且四项功能可同 Thermal Engineering uses a 16-bit single-chip microcomputer as the CPU. It integrates the latest large-scale digital conversion integrated circuit and large-screen liquid crystal display technology. It has output, measurement, manual, and 24VDC power distribution functions.

It is equipped with a large-capacity rechargeable battery to supply power and is easy to carry. It is an excellent configuration for personnel in the thermal instrumentation industry to perform on-site maintenance and debugging. The perfect combination of structure and function makes it as follows

Features of Thermal Engineering

The thermal engineering book uses a 16-bit single-chip microcomputer as the CPU. It integrates the latest large-scale digital conversion integrated circuit and large-screen liquid crystal display technology. It has output, measurement, manual, and 24VDC power distribution functions.

It is equipped with a large-capacity rechargeable battery to supply power and is easy to carry. It is an excellent configuration for on-site maintenance and debugging of personnel in the thermal instrument industry;

Compact, easy to carry and hold,

Rugged and reliable, the support frame and hook holes on the back are suitable for field use.

Large display screen, measurement, output, and thermal manual data can be displayed simultaneously.

Can measure voltage, current, frequency, thermocouple, platinum resistance, copper resistance and common resistance.

Can output voltage, current, millivolt, frequency and other signals 24V DC power distribution output to provide loop power for the transmitter

手册实现电阻值与温度值、毫伏值与温度值的快捷互查,实现饱和蒸汽的压力与密度、温度与密度的快捷查询。 The manual of thermal engineering can realize the quick mutual check of resistance value and temperature value, millivolt value and temperature value, and the quick query of pressure and density, temperature and density of saturated steam.

With backlight control function to meet night use.

Technical Index

output signal:

Current: 0 ~ 24mA DC

Accuracy: ± 0.05% FS

Resolution: 1μA RL < 400Ω RL × IL≤8V

Voltage: 0 ~ 6V Dc

Accuracy: ± 0.05% FS

Resolution: 0.1mV RL≥10KΩ

Millivolt: 1 ~ 120mV DC

Accuracy: ± 0.05% FS

Resolution: 1μV RL≥20KΩ

Frequency: 0 ~ 5000Hz

TTL level rectangular wave

Resolution: 0.1Hz

DC: 24V IL <30mA

Accuracy: ± 2%

主要是为了现场热工仪表及系统的校验维护而设计,仪表提供完善面实用的功能,操作简单。 The thermal engineering collection is mainly designed for on-site thermal instrumentation and system calibration and maintenance. The instrumentation provides comprehensive and practical functions and simple operation. The instrument uses a single chip microcomputer as the CPU, integrating the latest large-scale digital conversion integrated circuit

Integrated with large-screen LCD display technology, with output, measurement, manual and 24VDC power distribution functions, and four functions can work at the same time, display output and measurement values and corresponding ITS-90 standard values (thermal resistance, thermocouple) ).

And equipped with a super-capacity rechargeable battery, easy to carry, can easily complete the maintenance and calibration of industrial field thermal instruments (sensors, transmitters, display instruments, control systems). The thermal collection has the following characteristics:

Small, portable and handy.


Rugged and reliable, the support frame and hook holes on the back are suitable for field use.

Large display screen, measurement and output can be displayed at the same time.


Measurement of voltage, current and resistance and output of voltage and current.


Measurement and output of 8 types of thermocouples (K, E, T, J, S, R, N, B) and 2 types of thermal resistance (Pt100, Cu50).


Thermocouple and thermal resistance measurement output with ITS-90 international standard millivolt, resistance value corresponding display


Voltage and current measurements display percentages.


Thermocouple measurement and output have automatic or manual compensation function.


There are several ways to enter the output value.


Thermal engineering can achieve fast mutual inspection of resistance value and temperature value, millivolt value and temperature value.


Built-in large-capacity rechargeable battery can work continuously for 5 ~ 7 hours on a single charge (depending on the working conditions).


The key sound and backlight can be controlled, and the last setting state can be maintained every time the power is turned on.