Temperature transmitter with thermocouple RTD

Temperature transmitter with thermocouple

Overview of Temperature transmitter with thermocouple

SBW Series explosion-proof intinsic safe transmitter with thermocouple or RTD is temp transmitter unit of DDZ-S Series in site. It combines the thermocouple (resistance) with the transmitter as a whole, directly measures the temp of vapor, gas and liquid in a variety of industrials from -200 to 800C , and converts the temperature signal into thermal resistance of the thermocouple output signal proportionally as 4~20mADC unifed output signal sent to display, and send to the instrument or computer. Flameproof, intinsically safe thermocouple (resistance) Explosion-proof temperature transmitter performance by country promulgated the "explosive environment with explosion-proof electrical equipment" (GB3836) standard design and manufacture of thermoelectric properties in line with intermational IEC standard, and explosion-proof instument by the national safety Supervision Station tested, is an explosive environment, ideal temperature sensing transmitter integrated products that can be used with flammable gases or vapors of flammable liquid hazardous area, itninsically safe with thermocouple (resistance) temperature transmitter with associated equipment must be explosion-proof barier system with the composition. As a new generation of temperature transmitter, it can be widely used dry metallurgy, petroleum, chemical, power, light industy, textie, food, defense and scientific research departments.

The parameter range of explosion-proof control cable distribution which is equipped by the intrinsic safety temperature transmitter with thermocouple: total inductance≤2mH. The total capacitance≤O. 06 μ F. While the associated equipped safety barier, which the selected model is MTIL728, Z928, LB928. The details are according to the manufacturer's instructions.

Features of Temperature transmitter with thermocouple

●Transmitter unit is small, which is placed in flameproof, intrinsically safe thermocouple (resistance) of the junction box into an integrated temperature transmitter for indu strial field.

●As integral temp transmiter, directly outputting 4~20mA. It could save expensive cost on compensational wire and improve interference-resistant performance during long-range signal transmission process.

●Transmitter components are with high precision, low power consumption, wide ambient temperature range, stable and reliable, and using silione rubber sealing structure, which has the characteristics of temperature, humidity and proof, and it is suitable for a variety of harsh environment installation site.

●The explosion-proof temperature transmitter with themocouple (resistance) isolated, which the input and output is isolated. Increasing anti - interference ability, which is more suitable design series: machine.

Main tech data of Temperature transmitter with thermocouple

Theral response time: See instructions

Accuracy level of platinum thermal resistance: (Class B)

Graduation: Pt100. (The resistance value in 0°C ) R=100土0.12∩(Class B)

Allowable deviation△t(°C )  土(0.30+0.005 | t| )(Class B)

Input:  Thermocouple: K. E.  Thermal resistance: Pt100

Output: output 4~20mA DC signal is in linear with resistance input signal or thermocouple input milliolt signal; and also in linear with resistance temperature or thermocouple temperature. 

Note: The output and input of isolated temp transmitter is isolated, which the isolated voltage is 0.5ky.

Basic error: design formulas△二△1+△2,  △1 means llowed deviation of thermocouple △2 means the basic error of transmitter i 土0.5% FS

Move mode: two wire. Working voltage: Lowest 12V, highest 35V, and rated 24V

Load: Limit load calculation as follows,   R1(maX)=50XN min-12)  (The load resistance can be selected from 0~600∩in 24V, and the rated load is 250∩ a. Ambient temp: -25°C ~80°C (less than 70°C in dangerous site) b. Relative humidity: 5% ~95% C. Mechanical vibration: fs55Hz、swing<0.5mm d. No corrosive medium for transmitter surrounded. 

Explosion proof level:

Explosion proof type: dlIBT4 dlIBT。or dIICT。dlICT。

Intrinsic safe: ibll BT4， ia IBT4，iallCT.(Multiple type)、

Associated Equipment Type: MTL728、 Z928、L8928。

Shell protected level: IP65

Model table of Temperature transmitter with thermocouple