Product brief introduction: temperature transmitter using a two-wire transmission mode ( two wires as a power input, output signal with the common transmission line ). The thermocouple, thermal resistance signal and converts it into the input signal or the temperature signal into a linear4 ～ 20mA output signal.

The transmitter can be installed on the thermocouple, thermal resistance of the wiring box to form an integrated structure with the. It is a new generation of measuring instrument can be widely used in metallurgy, petroleum, chemical, electric power, light industry, textile, food, national defense and scientific research and other industrial sectors.

Product features

Adopt silicon rubber sealing structure, so the seismic, moisture resistance, suitable in harsh field environment in the installation.

Field installation in thermocouple, thermal resistance junction box, direct output from 4 to 20mA, this will not only eliminate expensive wire compensation costs, but also improves the signal long distance transmission of anti jamming capability.

The transmitter has an input terminal open circuit indication function, thermocouple temperature transmitter has a cold end temperature automatic compensation function.

High precision, low power consumption, using a wide range of ambient temperature, stable and reliable work.

A wide range of applications, both with a thermocouple, thermal resistance formed integration site installation structure, but also can be used as a function module is installed in the detecting equipment.

Intelligent temperature transmitter can use ZBT communication device, a386or more advanced PC machine, set the transmitter model, index number and the measured temperature range.

Digital temperature transmitter according to the actual needs of the user to adjust the display direction transmitter.

Specifications and parameters

Input: thermocouple type K, E type, B type, S type, T type, J type, N type

Heat resistance of Pt100Cu100Cu50( three wire or four wire system )

Output: in the range of 4 ～20mA DC signal output. With the Thermocouple Input millivolt signal into a linear; and the heat resistance of the input signal into a linear. Or with the temperature signal into a linear.

Isolated temperature transmitter, input and output phase segregation, isolation voltage 0.5KV increased resistance to common mode interference ability, more suitable for computer network.

Basic error:± 0.5%FS

Transmission: two-wire system

Display mode: (digital display type ) LCD four digit display, display the E open thermocouple ... ... Mark and the output is greater than 20mA.

Power supply: transmitter power supply voltage12V minimum, maximum 35V, rated voltage24V.

Load limit load resistance: calculated by the following equation: RL ( max ) =50( Vmin-12)

( namely 24V, a load resistor can be in 0 ～600 Ωrange selection ) rated load250 Ω)

Normal working conditions:

A ) ambient temperature25℃ to 80 ℃( at room temperature ) - 20℃ ~ 70 ℃(digital display type )

B ) relative humidity from 5% to95%

C ) mechanical vibration amplitude of F≤ 50Hz, <0.15mm

D ) in ambient air does not contain chromium, nickel plating, nonferrous metals and their alloys corrode medium.

The influence of ambient temperature:≤ 0.05/1 ℃