4-20mA temperature and pressure integrated transmitter

I. Overview

4-20mA temperature and pressure integrated transmitterAdopting imported pressure sensitive components, industrial grade Pt100 thermistor, and integrated junction box design. Equipped with dedicated wiring terminals and digital displays, it is easy to install, verify, and maintain. This series of products is suitable for petroleumVarious enterprises and institutions in water conservancy, chemical industry, metallurgy, power, light industry, scientific research, environmental protection, etc. achieve measurement of fluid pressure and temperature and are suitable for all-weather environments and various corrosive fluids in various occasions.

2、 Main features

Multiple unit choices; Integrated display of pressure and temperature; Easy debugging; Reverse polarity protection and current limiting protection; Resistance to lightning strikes and impacts; Safe explosion-proof; Small size, beautiful appearance, high cost-effectiveness; High precision, high stability, and high reliability;

3、 Technical performance

4-20mA temperature and pressure integrated transmitter

Range -200~850 ° C -0.1~0~100Mpa Accuracy level 0.2%, 0.5%

Overload capacity 200% output signal 4~20mA/RS485

Stability ≤ 0.1%/year Power supply voltage 18~36VDC

Display mode OLED display range -1999~9999

Environmental temperature -40 ℃~80 ℃, relative humidity ≤ 80%

install threadM20 * 1.5 interface materialstainless steel

The transmitter circuit board module produced by Xi'an Dingjin Company has good adjustability and long-term stability. The product has good linearity in the temperature range of -30 to+85 ℃, and can be widely used in pressure and temperature applications when combined with sensors

Temperature, liquid level, and gas detection scenarios.

Main indicators and characteristics:

Main technical parameters:

Working temperature: -25 ° C to+85 ° C, temperature drift: ≤ 1 × 10-4FS/° C. Long term stability: ≤ 0.05%/year, storage humidity: 90%. Suitable for: diffused silicon, ceramic piezoresistive, strain gauge sensor core

The amplification chips are all products imported from American semiconductor companies

Divided into: ordinary type, enhanced anti-interference type, triple lightning protection type, and digital intelligent type.

Supply voltage: 12~36VDC, standard 24VDC Operating temperature: -30~+85 ℃

Output signal: 4~20mA (two-wire system); 0-10mA, 0-20mA, 4-20mA (three wire system)

1-5VDC (three wire system); 0~5VDC (three wire system), 1-10V, 0~10VDC (three wire system); RS485 communication, HART protocol, etc;

Zero point stability, good linearity, high output of transmission amplification. Low power consumption, low price, economical and practical

The transmitter circuit board module produced by Xi'an Dingjin Company is currently on sale for digital intelligent products

Sensor core type, applicable shell ordering number, output signal

Diffuse silicon, ceramic piezoresistive; Cu50，pt100，pt1000； Resistance signals from magnetic flip plates, float level gauges, etc. 2088 BP11、 133 shell RC-LED01A 4-20mA, LED display

131 shell, rod-shaped stainless steel RC-D01A 4-20mA

Hessman structural shell, immersion type

Diffuse silicon, ceramic piezoresistive; Cu50，pt100，pt1000； Resistance signals from magnetic flip plates, float level gauges, etc. 2088 BP11、 133 shell RC-LED01D RS485 communication, LED display

131 shell, rod-shaped stainless steel RC-D01D RS485 communication

Hessman structural shell, immersion type