A temperature transmitter is a device that canPCThe configured two-wire intelligent temperature sending module can receivePT100Signal input for thermal resistance, adjustable range, and the ability toPT100Linearize the output corresponding to temperature4~20mAThe current signal. This module is usually installed inside the head junction box of the transmitter. The transmitter is designed to be compact, with a low-power circuit and all components using low-temperature drift, reducing the impact of circuit heating and environmental temperature on the transmitter. Enhanced anti-interference design to enable long-term stable operation-40~80In an industrial grade environment at ℃. Especially its beltLEDThe display design completely solves the customer's need for temperature transmitter products with display heads, and the whole machine adopts a low-power design,LEDIt can be displayed in-40~80Long term reliable use in industrial grade environments. The display panel has buttons andLEDThe human-machine interface can be calibrated through communication software configuration or through panel human-machine interface.

2、 Characteristics:

uIntelligent two-wire systemThe 4-20mA working mode has better anti-interference ability and signal lossless remote transmission.

uProvide true constant current excitation for sensors, standard three wirePT100 access method.

uSpecialized customizationASSIC circuit has higher integration and better reliability

uFull digital calibration, no movable potentiometer, lower temperature drift to<20ppm.

ustrengthenedEMC anti-interference design, hardware watchdog, suitable for various industrial environments with harsh electromagnetic conditions.

uPurely numericalPT100 calibration calculation provides higher accuracy.

uintelligenceUSB/single wire calibration interface, wiring connection, professional calibration configuration software, convenient and fast calibration use.

The professional transmitter calibration software has both user and factory versions, and the user version cannot modify the calibration parameters.

uStandard three linePT100 connection, automatic cancellation of line impedance.

uFully intelligent and integratedLED display interface, overall structure and performance guarantee.

3、 Main parameters:

?Power supply voltage:10-36VDC, recommended 24VDC.

Measurement range: -200 ℃~850 ℃, with a minimum transmission range of 50 ℃. Can be configured on PC.

Pc interface: USB.

?Output signal: two-wire system4-20mA, with a current resolution of approximately 1.6uA.

?Limit current: approximately22Ma.

?Temperature drift coefficient:<20ppm/℃ or 0.004% FS/1 ℃ (basic range)

?Working environment: Temperature-40 ℃~85 ℃, humidity<85%, dry and non corrosive environment.

?Dimensions: Diameter44mm * 22.5mm cylindrical shape.

?Measurement accuracy:0.1%FS(Calibrate the basic range).