ZS3051 series High Pressure Explosion proof Differential Pressure Transmitter
Pressure Range: 0-6890KPa~41370KPa ;
Accuracy: 0.25%F.S/0.5%F.S ;
Signal ouput: 4-20mA with Hart protacal;
Temp.:-40~85 ℃ ;
Protection: IP68;
LED Digital Indicator;
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  • Z3051(H)datasheet.pdf Z3051(H)datasheet.pdf
  • Description


High accuracy: +/-0.25%, +/-0.5% F.S
The range and zero are continuously adjustable externally,
and the range ratio is 100: 1
Positive migration up to 500%, negative migration up to 600%
Good stability, stability: 0.25% for 60 months
Contact diaphragm material is optional; mortgage cast
aluminum alloy shell
Miniaturized (2.4kg) all stainless steel flange, easy to install
The process is compatible with other products to achieve the best
Standard 4-20mA with HART protocol optional


For monitoring ventilation ducts, filters and fans in HVAC areas as well as for level measurement in closed pressurized tanks.

Product description

Z3051 series intelligent pressure / differential pressure transmitter is a fully isolated intelligent field measurement instrument with HART communication protocol optional, developed by our company.

The transmitter uses a fully isolated circuit technology design, and the sensor signals of the power supply box are isolated and processed, which greatly improves the stability and anti-interference ability of the whole equipment.

In addition to the three basic function buttons for adjusting the zero, range and zero pressure of previous smart transmitters, the transmitter is also designed to be used in combination with the three buttons M, S, and Z on the display. (You can set the measurement range without adding pressure, modify the zero and full pressure values), set display engineering units, linearity, square root conversion, set damping time, and fixed current output.

The transmitter also has parameter data backup and recovery functions. When data is damaged, it can be restored online with three keys, with which can immediately back up the modified data.

The key functions of the transmitter can be adjusted by communication software or Hand-hold device from our company.

It is widely used in industrial applications with extreme chemical and mechanical loads field and high electromagnetic radiation occasions.

Technical Parameters

Signal output

Two-wire 4  20mA isolated DC signal superimposed HART, digital signal output, can output large current not
exceeding 22mA.

Power supply

DC 12  45V; during HART communication, the power supply voltage range: 15.5  45VDC; General working voltage 24VDC.

Load range

In HART communication, the resistance in the power circuit is ≥250 ohms, and the power supply voltage is ≥15.5 volts

Communication distance

The diameter of the connecting wire is greater than 0.6mm, and the communication distance is about 1500


Intelligent LCD, backlight 5 digits and a half digital display

Zero and span shift

The lower limit of the measurement range is not lower than the lower limit of the large measurement range,
and the upper limit does not exceed the upper limit of the maximum measurement range, that is, the working range does not exceed
the sensor the limit value, zero position and range can be set at any corresponding point of 4 ~ 20mA.

Zero pressure fine adjustment

use F3 key or code potentiometer knob to correct the error caused by transmitter installation
position change or zero position drift, and adjust the pressure of transmitter to zero pressure value.

Damping value

electronic damping adjustable range 0-32 seconds.

Fault alarm

when the self diagnosis program detects a fault, the analog output is higher than 20.8ma or lower than 3.9ma.

Temperature and lodging compensation

the computer collects temperature data and sends it to the transmitter for temperature

Temperature indication

indicates the field ambient temperature value of the transmitter.

Working temperature

electronic circuit: - 40 ~ + 85 , with LCD: - 30 ~ + 80

Sensitive element (silicone oil filled)

- 40 ~ + 104

Sensitive element (filled with inert oil)

- 18 ~ + 71

Safety protection

and circuit protection design, anti-static impact, surge current, strong overload protection function.

Feedback form contact with us
If you have any quesiton of this product or would like more sensor choices, email us through below contact form.Our sales engineer will reply you within 24 hours.
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