SENEX DG1300-GE Flameproof Pressure Transmitter

The SENEX DG1300-GE Flameproof Pressure Transmitter represents advanced piezoresistive sensing technology packaged within an ultra-durable flameproof enclosure designed for the most challenging hazardous environments. Engineered for continuous industrial process monitoring, the DG1300-GE utilizes imported high-precision piezoresistive sensor components coupled with reliable signal amplification circuits and precision digital temperature compensation across wide temperature ranges. Built with an all-welded stainless steel construction, it provides exceptional resistance to vibration, pressure spikes, lightning strikes, and radio-frequency interference (RFI/EMI). The unit converts measured liquid, gas, or vapor pressure into a standardized 2-wire 4-20mA DC current signal (or optional 0-5V, 0-10V, 1-5V DC voltage signals), making it seamlessly compatible with PLCs, DCS networks, secondary display meters, and automated process control loops. Operating reliably across extreme temperature conditions (-30°C to +85°C medium temperature and up to 250 MPa pressure ranges), the DG1300-GE features zero and span field adjustments, high overload protection up to 2x full scale, and exceptional long-term stability with minimal annual drift. It is certified Flameproof (Ex d II CT6) and Intrinsically Safe (Ex ia I/IIC T4/T6), delivering uncompromising safety, measurement repeatability, and operational efficiency across offshore platforms, petrochemical refineries, power generation facilities, pneumatic and hydraulic control machinery, and industrial automation networks.

Frequently Asked Questions
Q1: What media is the SENEX DG1300-GE pressure transmitter compatible with?
A: The DG1300-GE is compatible with a wide variety of liquids, gases, and steam media that are non-corrosive to 304, 316, or 316L stainless steel. For highly corrosive media, specialized material options or diaphragm seals are available upon request.

Q2: What explosion-proof certifications does the DG1300-GE hold?
A: The transmitter features dual explosion-proof certifications: Flameproof type Ex d I/II CT6 for containment of internal explosions in combustible atmospheres, and Intrinsically Safe type Ex ia I/IIC T4/T6 (which requires connection via safety barriers) for hazardous zone compliance.

Q3: Can the zero point and span range be adjusted in the field?
A: Yes, the DG1300-GE provides field-accessible zero and span potentiometer options, allowing technical operators to perform accurate calibration, range suppression, or zero offset corrections on-site without returning the unit to the factory.

Q4: How does the transmitter protect against electrical surges and environmental interference?
A: The DG1300-GE incorporates integrated lightning protection circuits, reverse polarity protection, over-current/over-voltage suppression, and shielding against high-frequency radio interference (RFI/EMI), ensuring continuous operation in harsh electrical environments.

Q5: What pressure types and ranges are available for this model?
A: The product supports Gauge Pressure (0 to 0.01 MPa up to 0 to 250 MPa), Absolute Pressure (0 to 0.1 MPa up to 0 to 250 MPa), and Vacuum/Negative Pressure (-0.1 to 0 MPa) options to match diverse process requirements.

Technische Daten

Geprüfte Produktspezifikationen

Measuring range	0~250MPa
Accuracy	1%F.S., 0.5%F.S., 0.25%F.S., 0.1%F.S.
Output signal	4-20mA DC (two-wire) 0~10VDC
Process connection	M20X1.5, M12X1, G1/4, G1/2 male threads, etc.
Electrical connection	Four-core shielded cable, DIN connector
Overload pressure	2 times the measuring range
Operating temperature	-30~85℃
Storage temperature	-40~90℃
Service life	Greater than 10 million pressure cycles
Protection rating	IP65
Product certifications	SIL certification, explosion-proof voluntary CQC certification, ISO system certification, CE certification

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